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Over two hundred free browser-based utilities for developers, SEO professionals and designers, with no sign-up and no tracking. A broad technical toolkit rather than one purpose-built tool.
FreeNo sign-upNothing to install
What to know▼
How it works
A collection of over two hundred browser-based utility tools for developers, SEO professionals, and designers, accessed directly with no sign-up.
What's different
The entire library is free with no sign-ups, tracking, or upsells.
Pricing
Free, all tools, no sign-up required.
Best for
Developers, SEO professionals, and designers who need quick access to common technical tools without creating accounts.
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A grab-bag of free developer, SEO, AI and business tools from a UK dev studio. General-purpose utilities rather than something built specifically for developers.
Free
What to know▼
How it works
A collection of free developer, SEO, AI and business tools from a UK app/web development and automation studio.
Pricing
Free.
Best for
People looking for general-purpose free utilities rather than a tool built for one specific job.
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A directory that curates other startup-listing directories, for founders picking where to launch.
Free
What to know▼
How it works
Runs a free, in-depth SEO audit that crawls your pages, surfaces issues, and produces a shareable report, alongside a directory of startup launch directories.
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15+ zero-signup web tools in one workspace — AI SEO analyzer, AI text humanizer, meta tag/favicon/QR/app-icon generators, code minifiers and on-page audits in under 10 seconds.
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Free WordPress plugin that adds unlimited languages with a clean switcher and native /en/ URLs — keeps one original post and layers translations on top instead of cloning per language, with hreflang, canonical tags and sitemaps built in.
Free
What to know▼
How it works
Layers translations onto a single original post (no per-language cloning), auto-generates hreflang/canonical/sitemaps.
Pricing
Free; optional Pro adds AI translation using your own OpenAI key.
Best for
WordPress sites wanting multilingual SEO without database bloat or lost PageSpeed score.
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A free collection of 150+ browser-based utility tools including a QR code generator, PDF merger, image compressor, and SEO analyzer, no signup required.
Free
What to know▼
How it works
150+ free online tools covering image, PDF, audio, developer, and social media utilities, used directly in the browser.
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A WordPress plugin that turns your media library into an alt-text review queue, requiring a human to approve every AI-suggested fix before it publishes.
FreeNo tracking
What to know▼
How it works
flags alt-text issues, builds page context for AI drafts, human must approve each change, changes roll back safely
What's different
stores no provider keys and has no telemetry on the free tier
Pricing
free (GPL) core, paid Pro adds batch/scheduling/team features
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A free bundle of 332 small web utility tools pitched as secure and privacy-first, though the listing gives no detail on what each tool does or how it handles data.
FreeNo sign-upData stays with you
What to know▼
How it works
A bundle of 332 free web utility tools, pitched as privacy-first.
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Free Chrome extension that audits the current webpage's on-page SEO, keywords, links and structured data instantly, instead of switching between separate SEO tools.
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A free App Store Optimization tool combining keyword tracking, metadata optimization, competitor analysis, review monitoring, analytics, and team workspaces for App Store and Google Play visibility.
Free
What to know▼
How it works
Tracks keywords, optimizes metadata, analyzes competitors, monitors reviews, and provides analytics and team workspaces.
Pricing
Free.
Best for
App marketing teams wanting to rank higher on the App Store and Google Play.
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GeoImageTagger is a browser-based suite of free tools that let photographers and SEO professionals geotag photos, edit EXIF/IPTC/XMP metadata, and generate AI-based tags and descriptions for images.
FreeNothing to install
What to know▼
How it works
AI (Google Gemini) generates tags, titles, and descriptions; users edit metadata and embed GPS coordinates via an interactive map, then download the tagged image
Pricing
free, browser-based, no install
Best for
photographers and SEO professionals managing image metadata at scale
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Runs a fast, 33-heuristic conversion-rate audit on a landing page URL and returns a score and top issues in under 60 seconds, instead of paying $2k+ for a consultant.
FreeNo sign-up
What to know▼
How it works
Paste a URL and get results from a consistent 33-heuristic audit in under 60 seconds.
Pricing
Free tier gives a conversion score, top 3 issues, and category breakdown; $10 Pro tier adds the full 33-heuristic assessment, copy rewrite suggestions, and UX/layout improvement ideas.
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A grab-bag of free browser-based text utilities (word counts, diff checking, case conversion) for anyone who needs a quick text fix without installing software.
FreeNo sign-upNothing to install
What to know▼
How it works
A collection of browser-based text utilities: word and character counters, text comparison/diff checkers, case converters, keyword analyzers, text cleaners, and readability checkers.
Pricing
Free, no registration required.
Best for
Writers, students, marketers, and bloggers who need a quick text fix without installing software.
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AI SEO platform that tracks and tries to improve how AI assistants like ChatGPT and Perplexity recommend a local business over competitors.
FreeNo sign-up
What to know▼
How it works
Tracks a local business's AI citation rate across 5 platforms and publishes optimized articles to improve how ChatGPT, Perplexity, Google AI Overviews, Gemini, and Bing AI recommend it.
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A free web-based ASO research tool — keyword scoring, daily rank tracking, competitor spying and review analysis — for people marketing iOS and Android apps, not a mobile app itself.
Free
What to know▼
How it works
A web-based ASO tool for iOS and Android with keyword research (difficulty and opportunity scoring), daily rank tracking, competitor spying, and review analysis across 30 countries.
Pricing
Free, no API keys required.
Best for
People marketing iOS and Android apps who need keyword and competitor research.
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A free collection of 59 browser-based calculators and utilities across health, SEO, and everyday tasks.
FreeNo sign-up
What to know▼
How it works
A growing collection of 59 free browser-based calculators and utilities across health, date/time, text, SEO, developer, and conversion tasks, with no registration.
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A marketing operator tool for Claude Code that turns a product repo into growth plans, landing pages, ads, and content.
Free
What to know▼
How it works
Turns a product repo into a marketing workspace for Claude Code, giving it source-aware briefs, channel playbooks, policy references, quality gates, approval rules, and memory to create growth plans, landing pages, emails, ads, SEO/AEO work, audits, and content calendars.
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A bundle of 150+ free tools for AI, cybersecurity, SEO, and developer/infrastructure tasks.
Free
What to know▼
How it works
Offers 150+ free tools across AI, cybersecurity, SEO, developer, performance, and infrastructure tasks (website analysis, code generation, security audits, DNS/SSL/header inspection, data conversion, workflow automation) from one interface.
Pricing
Free.
Best for
Developers, security professionals, marketers, and businesses.
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Free, no-login YouTube SEO title/tag/description generator with an AI thumbnail contrast/overlay checker.
Free
What to know▼
How it works
Generates viral YouTube titles, 3-word tags, and descriptions with hashtags, plus an AI thumbnail analyzer that checks contrast, facial expressions, and timestamp-overlay coverage.
What's different
A free alternative to VidIQ and TubeBuddy.
Pricing
100% free, no login.
Best for
YouTube content creators optimizing titles and thumbnails.
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Scans local service business websites for issues costing them leads and gives a free snapshot, with a paid detailed report unlocking prioritized fixes.
FreeNo sign-upNo subscription
What to know▼
How it works
Automated scan flags unclear messaging, weak calls to action, mobile friction, and trust gaps.
Pricing
Free snapshot; detailed report unlocks further, no account or subscription needed.
Best for
Local service businesses wanting to know why their website underperforms.
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A free hub of 238+ SEO, image and text utilities with no login, mainly useful for marketers and bloggers doing everyday SEO tasks, not a dedicated SEO strategy tool.
FreeNo sign-up
What to know▼
How it works
A hub of 238+ free tools covering SEO, image editing, text tools, unit converters and domain analysis, usable without logging in.
Pricing
Free, no login required.
Best for
Bloggers, developers and digital marketers doing everyday SEO and utility tasks, rather than deep SEO strategy work.
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A free audit tool that checks whether AI search engines like ChatGPT, Perplexity, and Claude cite your website.
Free
What to know▼
How it works
Users enter a URL and the tool runs a GEO audit checking whether AI search engines like ChatGPT, Perplexity, Gemini, and Claude cite the site, combining technical checks with LLM-based content evaluation.
Pricing
Free.
Best for
Site owners wanting to know if they're cited in AI answers, not just ranked on Google.
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Free web tools — title analyzer, profit calculator, tag generator — for YouTubers, Etsy sellers and print-on-demand store owners, no signup required.
FreeNo sign-up
What to know▼
How it works
A collection of web-based utilities — including a title analyzer, profit calculator and tag generator — for optimizing listings on YouTube, Etsy and print-on-demand stores.
Pricing
Free, no signup required.
Best for
YouTubers, Etsy sellers and print-on-demand store owners optimizing listings without paying for or signing up to tools.
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A single-purpose tool that scores keyword density in your text to help balance SEO and readability — narrow in scope, not a full content or SEO platform.
Free
What to know▼
How it works
Scores keyword density in a piece of text to help balance SEO with readability, for blog posts, landing pages, product descriptions or website content.
Pricing
Free.
Best for
Content writers and marketers who want a quick keyword-density check rather than a full SEO platform.
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A free library of over 100 browser calculators, converters and utilities spanning finance, health, SEO and text tasks, no login needed. A general toolbox site, not built for any one profession.
FreeNo sign-up
What to know▼
How it works
A library of over 100 free browser-based calculators, converters and utilities covering finance, unit conversion, health monitoring, developer tools, SEO analysis and text manipulation, with no login required.
Pricing
Free.
Best for
Anyone needing a quick general-purpose calculator or converter without signing up.
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A plant photo management app with AI identification, plant care diary, and disease diagnosis.
FreeWorks offlineNo ads
What to know▼
How it works
On-device plant photo indexing with semantic search, identifies multiple plants in a photo, calculates sun/shade hours in your yard using 3D maps of nearby buildings and terrain, and includes a digital plant diary and Plant Doctor for disease info.
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A free bundle of DNS, SSL, SEO and website health checks in one place, aimed at developers, bloggers and small businesses who don't want five separate tools.
Free
What to know▼
How it works
A free bundle of website diagnostic tools covering DNS records, SSL certificates, HTTP headers, redirects, SEO basics, email authentication, sitemap and robots.txt checks, and performance signals.
Pricing
Free.
Best for
Developers, bloggers, agencies, and small businesses who want quick technical checks without juggling multiple tools.
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A free bundle of 17 SEO and developer utilities — meta tag checker, OG preview, SSL/robots/sitemap validators, and text/code encoders.
Watch out · No sign-up, no ads.
FreeNo sign-upNo ads
What to know▼
How it works
17 tools including meta tag checker, OG preview for Facebook/Twitter/LinkedIn/Google, SSL checker, robots.txt and sitemap validators, structured data tester, JSON formatter, Base64/URL encoder-decoder, QR code generator, color converter, and password generator.
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Browser tool that blurs matching keywords on X, Reddit, and YouTube to hide spoilers until you reveal them.
Free
What to know▼
How it works
Blurs posts, comments, and videos on X, Reddit, and YouTube that match keywords you add, until you click Reveal; it scans only new content and keeps keywords in your browser.
Pricing
Free for up to 10 keywords; Premium is $4.99 once.
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A community where website owners, bloggers and agencies trade backlinks and SEO help with each other, plus free SEO guides — not an automated tool.
Free
What to know▼
How it works
A community where website owners, bloggers, founders, and agencies exchange contextual backlinks, share content for promotion, and get engagement on new pages.
What's different
Positions itself against spammy SEO tactics, focused on real collaboration between site owners rather than automated link tools.
Pricing
Free resources (guides, tools, curated lists) are available without joining a paid plan.
Best for
Website owners and agencies who want to build backlinks through direct collaboration with other site owners.
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A landing page copy auditor that runs 55 checks across 9 copywriting frameworks (Ogilvy, Cialdini, Schwartz, CXL), quoting your page and proposing a concrete fix for each finding.
FreeNo sign-up
What to know▼
How it works
Paste a URL to get a free 16-check quick audit in about a minute, or pay $29 once for the full 55-check, 9-lens report; includes a public teardown gallery of 12 SaaS landing pages.
What's different
Every finding cites a specific copywriting source rather than giving generic advice.
Pricing
Free quick audit; full report $29 one-time.
Best for
Anyone wanting a structured, source-cited critique of their landing page copy.
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A free collection of 47+ browser-based developer and data tools (JSON/XML formatting, PDF and image compression, resume and invoice parsing, SEO analysis, screenshots, file sharing), many also available as an API.
Free
What to know▼
How it works
Browser-based tools for formatting, compressing, parsing, and analyzing files and data; many expose APIs for integration into your own applications.
Pricing
Free.
Best for
Developers, designers, and data teams needing quick utility tools.
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A free Chrome extension that pulls your Search Console data and suggests SEO fixes, each one traced back to a real source, including AI-citation readiness.
Free
What to know▼
How it works
Pulls your Google Search Console data and suggests SEO fixes on any page, including AI-citation readiness, with each suggestion traced to a real source.
What's different
Every suggestion is traced back to a real source rather than a generic recommendation.
Pricing
Free Chrome extension.
Best for
Website owners wanting SEO fixes grounded in their own Search Console data.
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Generates WCAG- and EAA-compliant alt text for images automatically with AI, for teams that need to hit accessibility compliance deadlines without writing alt text by hand.
Free
What to know▼
How it works
Uses AI to generate alt text for images automatically to meet accessibility standards.
What's different
Targets both WCAG compliance and the European Accessibility Act specifically.
Pricing
Free.
Best for
Teams facing an accessibility compliance deadline who don't want to write alt text by hand.
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Previews how your post or thread will actually look on LinkedIn, Instagram, SMS, or a Google meta description before you publish, a formatting check, not a scheduler.
FreeData stays with you
What to know▼
How it works
A set of client-side web tools that preview how a post, thread, SMS message or meta description will actually render and truncate on LinkedIn, Instagram, SMS and Google search, before you publish.
What's different
Accounts for real-world limits like LinkedIn's 'see more' cutoff, SMS encoding cost changes from emoji, and Google's pixel-width title truncation, rather than a generic character counter.
Pricing
Free.
Best for
Marketers and creators who want to catch formatting cutoffs before publishing instead of guessing.
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A free, local-first toolkit for building client-ready SEO report briefs, audit checklists, and AI-visibility tracking, nothing uploaded.
FreeNo sign-up
What to know▼
How it works
A local-first, browser-based toolkit for building client-ready SEO report briefs, audit checklists and AI-visibility tracking, with editable templates and an open benchmark of 16 reporting resources. Nothing is uploaded off the browser.
Pricing
Free.
Best for
People who prepare client-facing SEO reports and want templates and checklists without signing up or uploading data.
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A free hub of 100+ browser-based tools spanning PDFs, images, SEO and developer utilities, no sign-up or downloads required. A general toolkit with a dedicated developer section, not built for one profession.
FreeNo sign-upNothing to install
What to know▼
How it works
A browser-based hub of 100+ tools for PDFs, images, text, developer utilities, SEO, calculators and generators, with no downloads or sign-up.
What's different
Runs entirely in the browser with no account or install, covering many task categories in one place.
Pricing
Free.
Best for
Students, developers, creators and professionals who want quick access to varied everyday tools without setting up accounts.
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A free bundle of 50+ browser tools spanning SEO, AI writing, PDF editing and developer utilities, aimed at creators, marketers, developers, students and small businesses.
FreeNothing to install
What to know▼
How it works
A bundle of 51+ browser-based tools covering SEO, AI writing, PDF editing, image conversion, QR codes, calculators, security checks and developer utilities, all running in the browser.
Pricing
Free, no sign-up required.
Best for
Creators, marketers, developers, students and small businesses who want a single workspace for everyday utility tasks instead of downloading separate apps.
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A backlink checker built on Common Crawl data covering billions of link edges, showing Domain Rating, top referrers and a daily feed of expired high-authority domains, for SEO marketers.
FreeNo sign-up
What to know▼
How it works
Checks backlinks using Common Crawl data covering 4.34B link edges and 696M referring domains, refreshed daily, showing Domain Rating, top referrers, and a daily feed of expired domains with high authority.
Pricing
1 check/day free with no signup; free signup gets 10/day; $9/mo for 1,000 checks.
Best for
SEO marketers researching backlinks and hunting for expired high-authority domains.
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Free SEO and GEO tools like a keyword explorer and schema generator, plus a paid managed service that connects Search Console and works on your rankings directly.
Free
What to know▼
How it works
Offers free AI-powered SEO and GEO tools like a keyword explorer, schema generator and SERP preview, plus a paid managed service that connects to Search Console and works on improving rankings directly.
Pricing
Free tools, with a managed service tier for hands-on ranking work.
Best for
Site owners who want either free self-serve SEO tools or a managed service to handle rankings for them.
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A free bundle of YouTube tools (keyword/tag extractor, thumbnail downloader) plus a QR code generator, with no ads or tracking — built for creators and everyday users.
FreeNo adsNo tracking
What to know▼
How it works
A bundle of free web tools: a YouTube analyzer/tag extractor for competitor keyword insights, a one-click high-res thumbnail downloader, and a custom QR code generator.
What's different
No sign-ups, no heavy browser extensions, and no ads or tracking.
Pricing
Completely free.
Best for
YouTube creators researching competitor keywords and everyday users who need a quick thumbnail download or QR code.
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A free Chrome extension that filters fake brands and dropship junk out of Amazon search results, running locally with no account required. Built for shoppers, not sellers.
FreeNo sign-upWorks offline
What to know▼
How it works
A Chrome extension that filters fake brands, dropshipping clones, and keyword-stuffed listings out of Amazon search results, running on amazon.com, .ca, .co.uk, .com.au and .in.
What's different
100% local processing — no data collected and no account required.
Pricing
Free.
Best for
Amazon shoppers who want to skip junk listings without signing up for anything.
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A free automated scan flags site issues (speed, links, AI-search visibility) by severity, for site owners who want a punch-list without hiring an SEO consultant.
FreeNo sign-up
What to know▼
How it works
An automated scanner checks a site for broken links, page speed, indexing issues, security, mobile friendliness, sitemap health, and whether AI search tools like ChatGPT can find it, then sorts every issue by severity.
What's different
Includes a check for whether AI search tools can find the site, alongside the usual speed/links/security checks.
Pricing
Free, with no signup, no credit card, and no demo call required.
Best for
Site owners who want a prioritized fix list without hiring an SEO consultant.
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Free website analyzer that scores any site 0-100 across SEO, AI search readiness, performance, accessibility, and security, for site owners checking their own site, instead of running separate tools per metric.
FreeNo sign-up
What to know▼
How it works
Scores any website 0-100 across SEO, AI search readiness, performance, accessibility, and security with no signup.
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A free, login-free directory of over 50 small web utilities (age calculator, image enhancer, SEO tools, PDF converter, meme generator) for everyday use.
FreeNo sign-up
What to know▼
How it works
A directory of 50+ small web utilities - age calculator, image enhancer, SEO tools, PDF converter, meme generator, and more.
Pricing
100% free, no login required.
Best for
People who need a quick one-off utility without creating an account.
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A free grab-bag of browser calculators, converters, SEO checkers and document tools with no signup — a general utility site, not a developer-specific toolkit.
FreeNo sign-upNothing to install
What to know▼
How it works
A collection of free browser-based tools — calculators, converters, developer utilities, SEO checkers, document tools, and generators — that run without signup.
Best for
Anyone needing a quick one-off calculator, converter or checker without creating an account, not specifically developers.
We check every product on this page once a day and record whether it still answers.
A free, browser-only SEO tool that scores keyword density and flags stuffing risk down to word phrases, with nothing uploaded — built for marketers checking pages before publishing.
FreeNo sign-upNothing to install
What to know▼
How it works
Checks keyword density and stuffing risk down to 1-gram, 2-gram and 3-gram phrases in the browser, with a color-coded health check and CSV export.
What's different
Runs 100% client-side, so content never leaves your device.
Pricing
Free forever, no signup, no caps.
Best for
Marketers and SEO writers checking a page for keyword stuffing before publishing.