browser-extension Platform

Browse 284 tools tagged with browser-extension (platform). Filter by pricing, platform, language and more. The list below shows every tool matching this platform. Each entry links to a full page with pricing, platforms, integrations, and API availability.

All 284 tools

• 📜 SingleFile

  Chrome extension that saves an entire page into a single HTML file for archiving

  open-source
• ✍️ LanguageTool API

  Open-source proofreading service for more than 30 languages with an accessible developer API

  open-sourceAPI
• 🌐 Hush

  A simple no-nonsense blocker for those annoying cookie consent notices

  open-source
• 🗂️ Accessibility Insights

  Microsoft-built tool that helps developers find and fix accessibility issues in web and android apps

  free
• 📰 Newspack SEO

  Specialized SEO toolset for small and medium-sized news publishers on WordPress

  paid
• ⚡ Apollo.io

  Sales intelligence platform with a massive B2B database to find and message link building prospects

  freemiumAPI
• 👔 AuthoredUp

  All-in-one tool for LinkedIn creators to preview posts analyze performance and manage drafts for better visibility

  freemium
• 🦁 Brave Search Web3

  Privacy-first search engine with integrated Web3 wallet and dApp discovery

  freeAPI
• 📉 BuiltWith

  Technology profiler that reveals the software stack and infrastructure of any competitor website

  freemiumAPI
• 🔗 Cerebro (by Helium 10)

  Advanced reverse ASIN lookup tool for uncovering competitor keyword strategies on Amazon

  paidAPI
• 🤖 ChatGPT for Search

  Integrates AI answers directly into Google Search results alongside links

  freemium
• ⚡ Checkbot

  Browser extension that audits site links for redirects, broken links, and security issues

  freemium
• 🕵️ CopyLeak

  AI-based plagiarism detector and content authentication tool to ensure original search content

  paidAPI
• ⚡ Core Web Vitals Overlay

  Visualizes LCP FID and CLS metrics directly on the page for real-time performance tuning

  free
• 🔍 Dataslayer.ai

  Powerful SEO and SEM data connector for Google Sheets and Looker Studio

  freemiumAPI
• 🔍 Detailed SEO Extension

  Professional SEO extension providing instant insights into metadata schema markup and headers

  free
• 🔥 Evaboot

  LinkedIn Sales Navigator scraper that cleans data and extracts verified professional emails

  freemiumAPI
• 🔍 Glimpse

  Google Trends extension that identifies rising video search terms before they peak

  freemium
• 🔍 Glimpse AI Search

  Trend discovery tool updated to show which topics are currently surging in AI searches

  paid
• 📝 Grammarly GO

  AI-enhanced writing assistant for real-time drafting, editing, and tone adjustment

  freemiumAPI
• 📝 GrowthBar

  SEO content tool that offers custom ranking reports and AI-driven content outlines for blogs

  paid
• 🤖 HARPA AI

  AI-powered automation for web monitoring data extraction and ChatGPT integration in browser

  freemiumAPI
• ✍️ HIX.AI

  Comprehensive AI writing copilot for browsers and standalone content generation

  freemiumAPI
• ⚡ Helium 10 Xray

  Chrome extension for instant product validation and SEO health checks on Amazon SERPs

  freemium
• 🎯 Hunter.io

  Email finder and outreach tool for link building with verified contact information

  freemiumAPI
• ⚡ Instant Data Scraper

  Extract data from tables and listing pages into Excel or CSV automatically

  free
• 📦 ItemScout

  Data-driven product research tool for Naver Shopping sellers to identify high-demand niches

  freemiumAPI
• 🤖 Jasper

  Enterprise-grade AI content generator with SEO mode integration for high-volume content teams

  paidAPI
• 🤖 Jasper AI

  AI content platform that helps teams create high-quality SEO-optimized content and marketing copy 10x faster

  paidAPI
• 🔍 Kaspr

  LinkedIn prospecting tool to get phone numbers and emails instantly from profiles and lists

  freemiumAPI
• 🔑 KeySearch Starter

  A browser-based keyword tool for identifying low competition niches and related search terms

  paidAPI
• 🔍 Koala Inspector

  Spy on Shopify stores to see used themes apps and newest products for e-commerce SEO

  freemium
• 📝 LinkedIn Headline Generator

  Free tool by Careerflow to create SEO-optimized headlines using AI for better recruiter search visibility

  free
• 💬 Magical Local Replies

  AI browser extension that generates personalized responses to local business reviews

  freemium
• 📱 Mobile Simulator

  Test your website responsive design across dozens of mobile devices and tablet screen sizes

  freemium
• 🏷️ Open Graph Preview

  Visualizes how your website will appear on social media platforms like Facebook and Twitter

  free
• 🛡️ Originality.ai

  AI detection and fact-checking tool to verify content integrity and human-centricity

  paidAPI
• 📄 PageOptimizer Pro

  Scientific on-page SEO tool based on Kyle Roof's proprietary ranking algorithm

  paid
• 🕵️ PhantomBuster

  Automation and lead generation tool to extract data and automate actions on social media

  paidAPI
• 📝 QuillBot

  AI paraphrasing tool used to rewrite and improve content clarity and flow

  freemiumAPI
• 🔥 Reply.io

  Sales engagement platform that automates multichannel outreach including email, LinkedIn, and calls

  paidAPI
• 📝 Rytr

  AI writing assistant that helps you create high-quality content in seconds at an affordable price

  freemiumAPI
• 🔎 SEO Search Simulator

  Simulates Google searches from any location in the world to check local rank and results

  free
• 🏷️ Schema Builder

  Point-and-click tool to generate complex JSON-LD schema markup without writing code

  free
• ✍️ SearchAtlas

  SEO software suite focusing on content creation backlink analysis and site auditing

  paidAPI
• ⚡ ShortPixel

  High-powered image compressor and optimizer that improves website performance with WebP and AVIF support

  freemiumAPI
• ✨ Simplified AI Video

  All-in-one platform for creating and optimizing short-form videos with AI templates

  freemiumAPI
• 🐍 SiteChecker

  All-in-one platform for SEO audits, rank tracking, and backlink monitoring

  paidAPI
• 🔎 Sitechecker

  Real-time website monitoring and technical audit platform for ongoing SEO health tracking

  paidAPI
• 🔗 Smallpdf SEO Optimize

  Compresses and modifies PDF properties to ensure documents rank better in Google Search results

  freemiumAPI
• 🛠️ SocialPilot

  Cost-effective social media scheduling and analytics tool for teams and agencies

  paidAPI
• 🌟 Stark

  Suite of tools that integrate with Figma and Sketch to ensure designs are accessible from the start

  freemium
• 🧪 Surfer Content Editor

  Real-time content gap analysis against top 10 SERP competitors based on NLP terms

  paid
• 📝 Surfer SEO

  Data-driven content optimization platform using NLP and competitor analysis for better rankings

  paidAPI
• 🌀 Tailwind Ghostwriter

  AI-powered copy generator specifically for Pinterest and Instagram captions and hashtags

  freemium
• 🧪 Taplio

  AI-powered LinkedIn tool for content creation scheduling and relationship building

  paid
• 🕸️ TextCortex

  Customizable AI writing assistant that learns brand voice for eCommerce product catalogs

  freemiumAPI
• 🎥 TubeBuddy

  Browser extension for YouTube creators providing SEO tools and bulk processing capabilities

  freemium
• 📞 UpLead

  B2B prospecting tool for finding high-quality email addresses for link building and outreach

  paidAPI
• 🔍 Upfluence

  Influencer marketing platform with e-commerce integration for influencer search and management

  paidAPI
• 🚀 Userback

  Feedback and session recording tool for collecting visual bug reports

  paidAPI
• 🎬 Vidiq for TikTok

  Extension-based insights for short-form video optimization and keyword volume estimation

  freemium
• 🕵️ Visualping

  Automated website change detection and monitoring with visual alerts and screenshots

  freemiumAPI
• 🖇️ Waalaxy

  Lead generation tool that combines LinkedIn and Email cold outreach into automated workflows

  freemiumAPI
• 🖇️ Wiza

  Scrapes LinkedIn Sales Navigator and finds verified work emails for B2B lead generation

  paidAPI
• 🧠 Wordtune

  AI writing companion that helps rephrase sentences for better clarity and impact

  freemiumAPI
• ✍️ Writer

  Enterprise-grade generative AI platform that ensures brand consistency and factual content accuracy

  paidAPI
• 💎 ZonGuru

  Sourcing and SEO toolset designed for private label sellers on the Amazon marketplace

  paid
• 🎬 vidIQ

  AI-powered YouTube growth platform focusing on keyword volume competition and video SEO metrics

  freemiumAPI
• ⚡ AMP Browser Extension

  Instantly validates Accelerated Mobile Pages and provides real-time debugging for web developers

  open-source
• 🌐 Lighthouse

  Open-source automated tool for improving the quality of web pages including SEO and performance

  open-source
• 🔦 Lighthouse (A11y)

  Automated auditing tool for web quality integrated into Chrome DevTools specifically for A11y

  freeAPI
• 🌑 Dark Reader

  Enables dark mode for every website to reduce eye strain during long SEO audit sessions

  open-source
• 🛠️ Puppeteer Recorder

  Chrome extension to record actions and create change detection scripts

  open-source
• 📖 LanguageTool

  Open-source grammar, style, and spell checker for high-quality SEO content

  open-sourceAPI
• 📶 Wappalyzer

  Identify web technologies on websites including CMS frameworks and payment processors

  open-sourceAPI
• 📑 Tota11y

  An accessibility visualization toolkit that helps visualize how a page performs with assistive technology

  open-source
• 🕵️ Web Vitals Extension

  Chrome extension for measuring Core Web Vitals in real-time while browsing your website

  open-source
• ⚡ Core Web Vitals Annotation

  Adds annotations to your Google Analytics charts to highlight Core Web Vital changes

  open-source
• 🛠️ Webhint

  Linting tool for the web that helps improve accessibility, speed, and cross-browser compatibility

  open-source
• 🗂️ Tab Wrangler

  Automatically closes inactive tabs to save memory and stay organized

  open-source
• 🕵️ Ghostery

  Privacy extension that shows trackers and allows you to block them to see page speed impact

  open-source
• 📏 Dimensions

  A tool for designers to measure screen dimensions in the browser for pixel perfect layouts

  open-source
• 📦 JSONView

  Formats and validates JSON responses in the browser for easier API and structured data debugging

  open-source
• 🍪 EditThisCookie

  Manage cookies for SEO testing including location spoofing and session management.

  open-source
• 🗂️ Tab Manager Plus

  Efficiently manage hundreds of tabs with search filter and deduplication features

  open-source
• 💡 LinkClump

  Allows you to open copy or bookmark multiple links at once by dragging a selection box

  open-source
• 🛡️ CSP Evaluator

  Evaluates Content Security Policies to detect bypasses and improve site security

  open-sourceAPI
• 🖼️ Image Downloader

  Bulk download all images on a page with filtering by size and type

  open-source
• 🎨 WhatFont

  The easiest way to identify fonts on web pages by simply hovering over the text

  open-source
• 🔗 Linkclump

  Drag a box around links to open them all in new tabs or copy them to clipboard

  open-source
• 🧹 Clear Cache

  One-click cache and data clearing to test live SEO changes without browser lag.

  open-source
• 📊 Page Analytics by Google

  Legacy tool to see how customers interact with your pages (Visual GA)

  open-source
• 🏗️ Check My Links

  Link crawler that finds broken links on a webpage to assist in technical SEO cleanup

  open-source
• 🔲 Clear Cache Shortcut

  One-click button to clear browser cache and cookies for testing fresh site changes

  open-source
• 🔧 View Rendered Source

  Chrome extension to compare raw HTML and rendered DOM for JavaScript SEO troubleshooting

  open-source
• 🎨 Eye Dropper

  Color picker that allows you to pick colors from any webpage or color picker interface

  open-source
• 📐 Measure-it

  Draw a ruler across any webpage to check the dimensions of elements

  open-source
• 🔗 Open Multiple URLs

  Paste a list of URLs and open them all in new tabs simultaneously

  open-source
• 📂 Link Gopher

  Browser extension to extract all links from a webpage and sort them for outreach lists

  open-source
• 🗺️ Scraper (Chrome)

  Simple data mining extension that facilitates harvesting link opportunities from SERPs

  free
• 🧪 A/B Trend Checker

  Calculates statistical significance for A/B testing directly within your browser session

  free
• ⚡ AMP Validator

  Official tool to validate Accelerated Mobile Pages for news performance and compliance

  free
• 🔍 AMZ Scout Stock Stats

  Free extension to check competitor stock levels and sales velocity on Amazon

  free
• 🛠️ AMZScout

  Toolbox for Amazon sellers focusing on niche discovery and competitive keyword analysis

  freemium
• 🔍 ARC Toolkit

  Professional set of accessibility testing tools designed to help developers identify WCAG failure patterns

  free
• 🔍 ASINspector

  Product research tool that provides instant SEO and sales data for any Amazon item

  paid
• 📱 AeroLeads Mobile

  Identify mobile app developers and companies for outreach

  paidAPI
• 🔎 Ahrefs SEO Toolbar

  On-page SEO report broken link checker and link metrics for visited pages

  freemiumAPI
• ♿ Axe DevTools

  Automated accessibility testing engine that finds up to 57% of digital accessibility issues while you code

  freemiumAPI
• 🔦 Ayima Page Insights

  Highlight on-page SEO issues directly on the page including hidden content and alt text.

  free
• 🧩 Browser Extension Icon Maker

  Utility for developers to create icons for Chrome extensions and Firefox add-ons with required standard sizes

  free
• 📊 Buffer LinkedIn Tool

  Social media management that provides scheduling and simplified engagement metrics for LinkedIn

  freemiumAPI
• 🕵️ BuiltWith Technology Profiler

  Displays all technologies used on a site including tracking pixels and hosting providers

  freemiumAPI
• 📨 BuzzStream

  Software for link building outreach and digital PR to manage relationship histories

  paidAPI
• 📡 BuzzSumo Extension

  Find the most shared content and top influencers for any website or keyword search

  paidAPI
• 🧠 Chrome DevTools

  Powerful web authoring and debugging tools built directly into Google Chrome

  free
• 🎨 ColorZilla

  Advanced eyedropper and color picker for analyzing website color schemes for design and SEO

  free
• 🔎 ContactOut

  Lightweight extension to find personal emails and phone numbers from LinkedIn

  freemium
• 🛡️ CrowdTangle

  Public insights tool from Meta to follow analyze and report on what is happening across social media

  freeAPI
• 🔮 Crystal Knows

  Personality insights tool for LinkedIn to tailor communication and profile SEO for specific audiences

  freemiumAPI
• 📈 Da Vinci Tools

  Enhances Google Analytics and GTM with high-level visualizations and usability features.

  free
• 🧪 Data Miner

  Scrape data from any website into Google Sheets or Excel with one click

  freemium
• 💎 Data-Miner.io

  Browser extension for scraping SEO data and lists directly from your web browser

  freemium
• 🖥️ Distill Web Monitor

  Monitor website changes in the browser or via cloud with custom alert conditions

  freemiumAPI
• 💻 Domain Hunter Plus

  Chrome extension that finds broken links on pages to facilitate broken link building strategies

  free
• 📊 Dux-Soup

  LinkedIn automation tool to accelerate prospecting by automatically visiting and messaging targets

  freemium
• 🚦 FatRank Backlink Checker

  Chrome extension for quick backlink and rank verification on the fly

  free
• 📰 Feedly

  Content aggregator to track news and social trends to fuel your content strategy

  freemiumAPI
• 🔍 FindThatLead

  B2B lead generation tool to find emails on LinkedIn and websites for effective link building campaigns

  freemiumAPI
• 🔤 Fonts Ninja

  Identify fonts used on any website and inspect CSS properties like size and spacing

  freemium
• 📸 Full Page Screen Capture

  Capture high-resolution full-page screenshots of entire websites with one click

  freemium
• 🧪 Google Optimize (Legacy Check)

  Visual editor for A/B testing although sunsetted many bookmarklets still use its logic

  free
• ✍️ Grammarly

  Cloud-based typing assistant that reviews spelling grammar and punctuation in real-time

  freemiumAPI
• 📦 Helium 10

  All-in-one suite for Amazon sellers focusing on product ranking and keyword optimization

  freemiumAPI
• ✅ Hreflang Checker Extension

  Chrome extension for instant verification of hreflang tags and X-Default status while browsing live pages

  free
• 📝 Hreflang Tag Checker

  Verifies hreflang deployment and identifies common configuration errors on the current page

  free
• 🔍 Hunter - Email Finder

  Find email addresses associated with the website you are visiting for outreach campaigns

  freemiumAPI
• 🚀 Jungle Scout

  All-in-one platform for selling on Amazon with powerful SEO features

  paidAPI
• 🔍 KWFinder

  Intuitive keyword research tool with high accuracy for keyword difficulty and volume

  paidAPI
• 📉 Keepa

  Price tracker and sales rank history tool for deep competitive research on Amazon

  freemiumAPI
• 🔍 Kendo Email Finder

  Chrome extension to find professional emails from LinkedIn profiles to aid in SEO outreach and networking

  freemiumAPI
• 💎 Keyword Keg

  Professional keyword tool suite for finding high-volume keywords with low competition

  paidAPI
• 🔥 Keyword Surfer

  Free Chrome extension that shows search volumes and keyword ideas directly in Google search results

  free
• 📦 Keywords Everywhere

  Browser extension that adds search volume and CPC data directly into Google search results

  paidAPI
• 🔑 LastPass

  Secure password manager for managing multiple SEO tool accounts and client logins

  freemiumAPI
• 🎯 Leadjet

  Connects LinkedIn with your CRM to synchronize conversations and leads without leaving the platform

  paidAPI
• 💡 Lempire Linker

  Free browser extension to easily bridge your LinkedIn activity with other Lempire growth tools

  free
• 🔗 Link Miner

  Checks for broken links and pulls backlink metrics from Ahrefs or Moz for link building

  paid
• 🌐 Link Redirect Trace

  The "all-in-one" redirect path analyzer that covers headers rel-canonicals and more

  free
• 📡 LinkResearchTools Toolbar

  Evaluates link power and trust indicators directly in your browser while browsing

  freemiumAPI
• 💎 Lusha

  B2B prospecting tool that provides contact details directly from LinkedIn profiles for outreach

  freemiumAPI
• 🎯 Mangools

  Simple yet powerful SEO toolset for rank tracking keyword research and backlink analysis with a great UI

  paidAPI
• ✨ MeetEdgar

  Social media automation tool that recycles and reshuffles evergreen content automatically

  paid
• 🤖 Meta SEO Inspector

  Inspects metadata and microdata for errors and compliance with search engine guidelines

  free
• 🔗 MozBar

  SEO toolbar that provides instant metrics like Domain Authority and Page Authority

  freemium
• 🎯 Nightwatch SEO Search Simulator

  Simulate search queries from any location in the world to see localized rankings

  free
• 🛡️ NordVPN

  Essential tool for SEOs to verify localized SERPs and competitor ads across 60+ countries

  paid
• 📜 Open SEO Stats

  Shows web rank and SEO stats for the current page including backlinks and indexed pages

  free
• 💬 Otter.ai

  Real-time transcription and meeting assistant that provides searchable podcast text

  freemiumAPI
• 🕸️ Phantombuster TikTok

  Automation tool for scraping TikTok data for lead generation and keyword research

  paidAPI
• 📡 Portent's SEO Page Review

  Review meta data and on-page content relevance with a focus on marketing intent

  free
• 🐚 Presearch

  Decentralized search engine rewarding users and protecting privacy

  freeAPI
• 🔗 Rebrandly

  Link management platform to create, share and track branded links for site routing

  freemiumAPI
• 🔍 Redirect Path

  Chrome extension that reveals redirect paths and header info for any URL

  free
• 🛠️ Reply.io LinkedIn

  Cold outreach platform with a powerful LinkedIn automation extension for multichannel sales

  paidAPI
• 🤖 Robots Exclusion Checker

  Visual indicator of robots.txt and meta-robots directives to prevent accidental deindexing.

  free
• 📝 SEO Meta in 1 Click

  Displays all meta tags and main SEO information for a webpage instantly

  free
• 🤖 SEO Minion

  Helper for daily SEO tasks like on-page analysis, broken link checking, and SERP preview

  free
• 📑 SEOquake

  Browser plugin to check SEO parameters of web pages on the fly for competitive research

  free
• 🎯 SalesQL

  Free LinkedIn email finder that works on Sales Navigator and normal profiles to enrich leads

  freemiumAPI
• 📈 Schema Builder by SEO Clarity

  Visual schema builder that allows users to create test and deploy schema without developer help

  paid
• ✨ Schema Generator for SEO

  Chrome extension to quickly generate schema for local business product and FAQ on the fly

  free
• 🔍 Scope by SellerLabs

  Keyword and competitor research tool specifically for Shopify and Amazon cross-channel sellers

  paidAPI
• 🕸️ Scraper (Extension)

  Extracts data from web pages into spreadsheets for link prospecting or audits

  free
• 🗂️ Session Buddy

  Unified session and tab manager to save and export groups of SEO research tabs

  free
• 🎯 Short.io

  Branded link shortener with custom domain routing and deep linking capabilities

  freemiumAPI
• 🔎 Similar Sites

  Discover competitors and related websites for any site you are browsing

  free
• 🔍 SimilarWeb

  Market intelligence platform for tracking competitor traffic engagement and keyword share

  freemiumAPI
• 📊 SimilarWeb Extension

  Provides website traffic statistics and engagement metrics for competitive benchmarking

  freemiumAPI
• 🏠 Skrapp.io

  Specialized tool to find B2B email addresses from LinkedIn profiles and company websites

  freemiumAPI
• 🔗 Sniply

  Shorten links and add a custom call-to-action (CTA) to every page you share on social

  freemiumAPI
• 🕵️‍♂️ Snov.io

  Sales automation and email verification platform widely used for SEO outreach campaigns

  freemiumAPI
• 🧮 Social Blade

  Public database for tracking TikTok follower growth and ranking statistics for free

  freeAPI
• 🧪 SocialBlade

  Statistical tracking for YouTube Twitch and Instagram to monitor growth and competitor metrics

  freemiumAPI
• 🔎 Spark Content Optimizer

  On-page SEO audit and keyword data from the Conductor platform

  free
• 🏗️ Structured Data Testing Tool

  Validator for Schema.org and JSON-LD markup that simulates Google's rich results

  freeAPI
• 🌐 Surfe

  Connects LinkedIn to CRM and automates contact addition with verified professional email addresses

  paidAPI
• 📦 Tag Assistant Legacy

  Troubleshoot installation of various Google tags including Google Analytics and Ads

  free
• 📌 Tailwind

  Smart scheduling and design tool for Pinterest and Instagram with automated workflows

  freemium
• 🎨 TinEye

  Reverse image search engine that tracks image usage and identifies duplicates

  freemiumAPI
• 🐯 TinyPNG

  Advanced lossy compression for PNG, JPEG, and WebP images that preserves quality while reducing size

  freemiumAPI
• 🧪 TubeBuddy AB Testing

  Statistical testing tool for YouTube thumbnails and titles to maximize search visibility

  paid
• 🔎 Ubersuggest

  Affordable all-in-one SEO tool for keyword discovery backlink tracking and site audits

  freemiumAPI
• 📈 Ubersuggest Backlinks

  Neil Patel's tool for checking domain backlinks and finding new link opportunities

  freemium
• 🕵️ Ubersuggest Extension

  Keyword volume and backlink data directly on Google YouTube and Amazon results

  freemium
• 🌍 VPN Proxy Master

  Switch locations to see localized SERP results and test regional SEO performance

  freemium
• 🧩 VidIQ Keyword Tool

  Chrome extension for researching keyword demand and competition on short video platforms

  freemium
• 📊 Vidyard Analytics

  Video hosting for sales and marketing with advanced viewer tracking and SEO tools

  freemiumAPI
• 🔦 WAVE Web Accessibility Tool

  Suite of evaluation tools that helps authors make web content more accessible by providing visual feedback

  freeAPI
• 👁️ Wachete

  Monitor password-protected pages and track history of website changes

  freemiumAPI
• 📏 Web Developer Overlay

  Adds a toolbar to the browser with various web developer tools for accessibility and SEO testing

  free
• 🌐 WooRank

  Website review and SEO audit tool with team projects and lead generation features for agencies

  paidAPI
• ⚡ Woorank

  Instant website review tool for digital marketing and technical SEO analysis

  freemiumAPI
• 🔗 Kutt

  Modern open-source URL shortener with custom domains and analytics routing

  open-sourceAPI
• 🌐 Linkwarden

  Self-hosted collaborative bookmark manager with routing preservation and archiving

  open-sourceAPI
• 🕸️ Carbonalyser

  Evaluate the environmental impact of your website based on data transfer

  open-source
• 💬 ChatHub

  Browser extension to compare multiple SEO prompts across ChatGPT Claude and Gemini

  freemium
• 📝 Markdown-SEO-Linter

  Linter for markdown files to ensure correct heading hierarchy and meta data

  open-source
• 🚀 Core Web Vitals Visualizer

  Visual overlay of CWV metrics directly on the elements of your page

  open-source
• 📐 CLS Visualizer

  Chrome extension that overlays Cumulative Layout Shift areas directly on your webpage

  open-source
• 🤖 ApeXtreme

  Browser-based tool for rapid Amazon listing creation and bulk SEO updates

  paid
• 📡 Attention Insight

  AI heatmaps that predict where users will look first on websites and designs

  paidAPI
• 💬 Chat-SEO-Tracker

  Extension that logs and analyzes ChatGPT's recommendations for specific local services

  freemium
• 🛡️ Check My Headers

  Detailed view of HTTP response headers to verify security policies and caching rules

  free
• 💬 Commenter.ai

  AI tool that suggests relevant comments for LinkedIn posts to increase visibility and network reach

  paid
• 💬 Engage AI

  Browser extension to write insightful LinkedIn comments to help you get noticed by prospects

  freemium
• 🧪 Experiments SEO

  Test SEO changes and track impact with this specialized browser extension

  paid
• ⚡ Fast SEO Link Checker

  Lightning fast checker for links and redirects specifically for affiliate marketers

  paid
• 💎 Findymail

  Finds and verifies business emails from LinkedIn profiles with high accuracy for SEO link building

  paidAPI
• 📍 GMB Everywhere

  Browser extension for local SEO audits and local rank tracking on Google Maps

  freemium
• 🌀 InSpectre

  Lightweight browser extension for quick heatmap and scroll depth checks

  freemium
• 🗺️ Keywords Everywhere - Local

  Specific local search volume and trends for local SEO consultants

  paidAPI
• 🧠 LiScribe

  AI-powered Chrome extension that helps write LinkedIn comments and posts based on context

  freemium
• 🏷️ LinkedIn Hashtag Analytics

  Free tool to analyze hashtag reach and follower counts for better LinkedIn visibility

  free
• 🚀 LongShot AI

  AI writing tool specializing in long-form, fact-checked SEO content for high-traffic niches

  paidAPI
• 📝 PageActions

  Browser-based SEO auditing and page content optimization tool for Chrome

  free
• ✨ Perfect Post

  Tool to format LinkedIn posts with bold text emojis and line breaks to improve readability and SEO

  freemium
• ⚡ QuickClick SEO

  Lightweight browser extension for quick access to meta data and page headers

  free
• 🤖 Replai

  AI-driven reply assistant to increase LinkedIn visibility through meaningful comments

  paid
• 📐 Resizing.app

  Online image resizer and optimizer for quick, browser-based adjustments without uploads

  free
• 🏗️ Schema.dev

  Tool for automating the generation and testing of complex Schema JSON-LD markup

  free
• 🕸️ Scraper.AI

  No-code web scraping tool that automates data extraction from SERPs and websites

  freemiumAPI
• 🔍 Sitemap Inspector

  Chrome extension that detects sitemaps on any site and allows for quick inspection of their contents

  free
• 🗺️ Sitemap Navigator

  Browser-based tool to quickly parse and navigate XML sitemaps for deep site analysis

  free
• 📈 Sitemap Traffic Overlay

  Chrome extension that overlays Google Search Console click data directly onto your visual sitemap

  paid
• 📈 Social Share Preview

  Check how your website will look when shared on social media platforms

  free
• 🐦 Typefully

  The best editor and scheduler for Twitter and LinkedIn to grow your personal brand

  freemium
• 🕵️‍♂️ Whois Freak

  Check domain ownership and registration history directly from the browser bar.

  freemiumAPI
• 🗄️ Web Archives

  Browser extension to view archived and cached versions of web pages

  open-source
• 📊 PageXray

  Analyze web page requests and resource sizes to optimize performance

  open-source
• 📏 Page Ruler Redux

  Measure page elements in pixels for layout and UX optimization

  open-source
• 🎭 User-Agent Switcher

  Switch between different user-agents to test mobile and bot crawling

  open-source
• 📄 Quick Source Viewer

  A refined view of the page source with syntax highlighting and resource grouping

  open-source
• 🧩 Extensions Manager

  Toggle browser extensions on and off quickly to avoid memory bloat and conflicts

  open-source
• 📋 Copy All URLs

  Quickly copy all open tab URLs to the clipboard in multiple formats for research sharing

  open-source
• ⏱️ Page Load Time

  Minimalist extension that displays the exact loading time of a webpage in the browser toolbar

  open-source
• 🏗️ Alt Text Tester

  Hover over images to see their alt text and identify missing attributes for accessibility

  open-source
• 🔗 Link Grabber

  Extracts all links from a webpage and displays them in a sortable list

  open-source
• 🔍 Keywords Every Day

  Open source alternative for keyword and competitor lookup

  open-source
• 📦 NAP Hunter

  Chrome extension to search for Name, Address, and Phone inconsistencies across the web

  open-source
• 🖼️ View Image Info

  Extracts image metadata including alt text, file size, and dimensions directly from the browser.

  open-source
• 💬 Word Counter Plus

  Simple tool to count words and characters in selected text on any web page

  open-source
• 🛠️ F12 - Website Analyzer

  Inspect headers cookies and scripts in a single simplified view

  open-source
• 🔗 NoFollow Simple

  Highlights all nofollow and sponsored links on a page to visualize internal link equity

  open-source
• 💎 Data Layer Checker

  Chrome extension to debug and verify data layer implementations for SEO tracking

  open-source
• 📊 WordCounter

  Quickly count words and characters of selected text on any webpage

  open-source
• ⚡ Quick SEO

  A lightweight toolbar for quick access to domain and page SEO metrics

  open-source
• 📋 Simple URL Copy

  One-click to copy current URL or all URLs from a window with clean formatting

  open-source
• 📊 PageSizer

  Check the uncompressed size of a webpage including all assets

  open-source
• 🔍 Landmark Navigator

  Chrome extension that allows users to quickly navigate between ARIA landmarks on a page

  free
• 📁 Sitemap Downloader

  Automatically finds and downloads XML sitemaps for the current domain

  open-source
• 🗺️ Accessibility Tree View

  Developer tool that visualizes the accessibility tree as seen by assistive technologies

  free
• 📁 Favicon Downloader

  Chrome extension that allows you to download the favicon and all associated touch icons from any site

  free
• 🎨 FontScanner

  Detects and lists all fonts used on a website along with their CSS properties and sizes

  free
• 🔍 Google Search Results Preview

  See how your page title and meta description will look in Google before you publish

  free
• 🏠 Home SEO Bookmarklet

  One-click bookmarklet to check on-page elements social tags and image assets

  free
• 📦 Inventory Spy

  Competitor stock level tracker to inform SEO pricing and inventory strategies

  free
• 🔍 LeadLeaper

  Email finder extension that captures leads from LinkedIn and organizes them into lists for outreach

  freemium
• 🔥 Lempod

  LinkedIn automation tool to increase post reach through engagement pods and community support

  paid
• ⚡ LiHelper

  A browser-based automation tool for LinkedIn to manage connections and interactions

  paid
• 👓 NoCoffee

  Vision simulator for Google Chrome to help designers understand various vision impairments

  free
• 🔍 NoTube SEO

  Chrome extension for quick competitor tag analysis and metadata inspection on YouTube

  free
• 📝 Note Anywhere

  Add virtual sticky notes to any web page that persist when you return to the URL

  free
• 📝 Note Board

  Sticky notes for websites that stay pinned to the URL for research and audit notes

  freemiumAPI
• 📍 PlePer

  Local SEO tools and GMB tracker providing deep insights into local rankings and maps

  freemiumAPI
• 👁️ Profile Views Analytics

  Browser tool to analyze visitor demographics and optimize profile keywords accordingly

  freemium
• 🤖 Robot.txt Viewer

  Quickly view and validate robots.txt files with syntax highlighting for better site crawling

  free
• 🦜 SEOStack Keyword Tool

  Free tool to generate thousands of long tail keywords from various engines

  free
• ⚡ SGE Monitor

  Lightweight browser extension for monitoring Google SGE results for specific keywords

  freemium
• 🔑 Scrab.in

  LinkedIn automation tool for growth hacking that focuses on lead generation and profile visits

  paid
• 🎯 Vocus.io

  Gmail extension for automated email sequences and link building follow-ups with tracking

  paidAPI
• 🛠️ Web Developer Checklist

  Interactive checklist of best practices for SEO mobile performance and security compliance

  free
• 📊 Whatsmyserp

  Free SERP checker and rank tracking tool providing unlimited on-demand keyword checks

  freemium

Frequently asked questions