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A free online Unicode and ASCII character map for browsing, searching, and copying symbols, for anyone who needs a special character instead of an OS character-map tool.
Free
What to know▼
How it works
Browse characters by category or search by name/description, then click to copy to the clipboard.
Pricing
Free.
Best for
Finding and copying an emoji, symbol, accented letter, or currency sign quickly.
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A set of free browser-based utilities for resizing images, formatting JSON, processing PDFs, and similar small everyday tasks, with no account required.
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A free, no-signup toolbox of 100+ browser-based developer utilities (JSON, JWT, Base64, SQL and similar formatters and converters) aimed squarely at developers, not general users.
FreeNo sign-up
What to know▼
How it works
A collection of 100+ browser-based developer tools to format, validate, convert, and generate code for JSON, HTML, CSS, SQL, Base64, UUIDs, JWTs, and text processing.
Pricing
Free, no sign-up required.
Best for
Developers who want a no-signup toolbox of everyday formatting and conversion utilities.
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A Git-related tool aimed at solving account or identity mix-ups for developers, though the exact mechanism isn't described in the available text.
FreeOpen source
What to know▼
How it works
Automatically routes commits, pushes, and clones to the right GitHub account by reading each repo's remote URL, handling key, remote, and identity in one step.
What's different
Unlike gh auth switch (auth only) or includeIf (folder-based), it handles all three at once. Includes a setup wizard and supports unlimited profiles across platforms.
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A free collection of web utilities like QR generators, color converters, and screen measurement tools, for developers who want quick tools without signing up.
FreeNo sign-up
What to know▼
How it works
Standalone browser utilities for common conversion and generation tasks
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170+ free browser-based calculators, text, PDF, and dev tools that run entirely client-side with nothing sent to a server, instead of ad-heavy online tool sites.
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A local, privacy-first JSON viewer and formatter for developers, with JWT decoding and CSV/YAML/TypeScript export; free for everyday use, $29 one-time for Pro features.
FreeWorks offlinePay once
What to know▼
How it works
A JSON viewer and formatter that runs 100% locally with zero network requests, handling 100MB+ files, inline JWT decoding, and export to CSV, TSV, YAML, or TypeScript (Pro features).
What's different
Positioned as a trustworthy local replacement after a popular JSON formatter with 2M+ users was sold and turned into adware.
Pricing
Free forever for everyday use; Pro is $29 one-time, lifetime.
Best for
Developers who want a JSON viewer that never sends data over the network.
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An AI tool that turns plain English into SQL, Excel formulas, Python, or R code, aimed at data analysts and learners.
Free
What to know▼
How it works
Turns plain English into SQL queries, Excel formulas, Python, and R code, profiles uploaded files with AI insights, and translates data findings into plain-language reports. Also offers a personalized 52-week data career roadmap and free skill-building exercises.
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A free bulk URL opener that opens multiple links in tabs with delay, dedup, and SEO status checks.
FreeCan export my data
What to know▼
How it works
Opens multiple URLs simultaneously in separate tabs with custom delays to prevent crashes, deduplicates URLs, checks Dofollow/Nofollow status, and exports active tab lists.
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Free QR/barcode generator and scanner that encodes data directly into the code so it never expires or gets tracked, with a public API.
FreeNo adsCan export my data
What to know▼
How it works
Generates and scans QR codes and Code 128/EAN-13 barcodes that encode content directly rather than a redirect link, so they never expire or track scans; supports custom colors/logo, PNG/SVG export, and a free public API needing no key.
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A free collection of 20+ browser-based developer utilities — IP checker, JWT decoder, password generator, and more — running client-side with no signup.
FreeNo sign-upNothing to install
What to know▼
How it works
A collection of 20+ browser-based utilities — IP checker, JWT decoder, email validator, password generator, speed test, and more — most running entirely client-side.
Pricing
Free, no signup, no paywalls.
Best for
Developers who want quick access to common utilities.
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A free Indonesian-language code-snippet reference with 170+ ready-to-copy snippets, for local developers and students who'd otherwise hunt through English-only docs.
Watch out · Content is Indonesian-language.
Free
What to know▼
How it works
An interactive, searchable dictionary of 170+ ready-to-copy code snippets across PHP, JavaScript, Python, HTML/CSS, and SQL.
Pricing
Free.
Best for
Indonesian developers and students who prefer a local-language reference over English-only docs.
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An open-source SDK that serves weather, ocean and elevation data as map tiles with values baked into the pixels, so you can restyle colormaps or switch to contours client-side without refetching. For developers.
FreeOpen source
What to know▼
How it works
Serves weather, ocean and elevation data as map tiles with the physical values baked directly into the pixels and decoded on the GPU, so you can change colormaps, switch to wind streamlines or contours, or re-scale client-side without refetching.
What's different
One open-source SDK works across MapLibre, Mapbox, Leaflet, OpenLayers, deck.gl and React, and the tile format is documented so you can decode it yourself without being locked to their renderer.
Pricing
Transparent pricing with a free tier.
Best for
Developers building map-based visualizations of weather, ocean or elevation data.
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A free collection of everyday online conversion, calculation, and utility tools — unit converters, finance calculators, JSON formatting, word counting — with no signup required.
FreeNo sign-upNo ads
What to know▼
How it works
Bundles unit converters, financial calculators, date tools, JSON formatting, word counters, and similar utilities into one free hub.
Best for
Students and professionals needing quick one-off calculations or conversions without creating an account.
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A free, open-source AI tool that edits JSON files from plain-English instructions instead of hand-written syntax, with diff review and version rollback.
FreeNo sign-upOpen source
What to know▼
How it works
An open-source AI workspace for editing JSON files: describe changes in plain English, review every edit as a diff, and roll back using full version history.
What's different
Diff review and full version rollback for every AI-made edit instead of blind overwrites.
Pricing
Free, no signup required.
Best for
Developers and teams who need to edit JSON without hand-writing syntax.
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A free set of 17+ client-side developer utilities (JSON/XML/YAML/SQL formatters, regex tester, JWT decoder, hash generator) that run entirely in the browser with nothing sent to a server.
FreeNo sign-upNothing to install
What to know▼
How it works
Provides 17+ browser-based developer tools, JSON/XML/YAML/SQL formatters, a regex tester, a JWT decoder, a hash generator and more, all running client-side so nothing pasted is uploaded or logged.
Pricing
No signup, no rate limits on the core tools.
Best for
Developers who want quick formatting/decoding tools without an account or sending data to a server.
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A free developer toolkit for image optimization, password generation, and file sharing, paired with a hand-written tips library on CSS, JS, and web performance.
FreeNo sign-up
What to know▼
How it works
Provides image optimization, resizing, conversion, and downloading, plus a secure password generator and expiring-link file sharing, with no account required.
What's different
Paired with a hand-written Pro Tips library covering CSS, JavaScript, HTML, React, Next.js, WordPress, and performance.
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A single browser page with 70+ small dev utilities (JSON formatter, Base64, JWT decoder, cron parser) so you don't need a dozen separate tab-opened tools.
FreeNo sign-up
What to know▼
How it works
Runs entirely client-side in the browser
What's different
No signup, private, 70+ tools in one place
Pricing
Free
Best for
Developers who repeatedly need quick format/encode/decode utilities
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Free, no-signup toolkit of 169 diagnostics for DNS, email authentication, TLS certificates, IP blacklists and security headers, built for self-hosters debugging mail and web infrastructure.
FreeNo sign-upData stays with you
What to know▼
How it works
runs DNS/SPF/DKIM/DMARC/TLS/blacklist/header checks plus in-browser dev utilities (JWT, cron, regex, hashing)
What's different
replaces juggling six separate diagnostic sites; some checks keep data local to your machine
Pricing
free to run checks; watchlists, alerts, embeddable badges and API available on top
Best for
self-hosters and sysadmins debugging DNS/email/TLS issues
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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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A grab-bag of free browser-based utilities - word counter, PDF compressor, BMI calculator, JSON formatter - with no signup. A general toolbox, not built around one job.
FreeNo sign-upNothing to install
What to know▼
How it works
A collection of free browser-based utilities: word counter, PDF compressor, BMI calculator, JSON formatter, and other developer/creator/student tools.
Pricing
Free, no signup required, works in the browser.
Best for
Developers, creators, and students who need a quick one-off tool without installing anything or making an account.
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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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15 free browser-based developer tools, JSON formatter, regex tester, encoders, generators, styled with a nostalgic Windows 95 look. Runs in the browser, not installed, nothing uploaded to a server.
FreeNo sign-upNothing to install
What to know▼
How it works
15 free developer and productivity tools — JSON formatter, regex tester, base64/URL encoders, UUID and password generators, unit and color converters — running entirely in the browser with a Windows 95-styled interface.
What's different
Nothing is uploaded to a server; everything runs client-side with no signup, ads or tracking.
Pricing
Free.
Best for
Developers who want quick browser-based utility tools without installing anything.
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A free collection of 200+ browser-based developer tools for formatting, validating, and converting JSON, XML, CSV, and similar formats without installing anything.
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A free set of 19+ browser dev utilities — QR/barcode generators, JSON formatter, Base64 encoder — with no signup or watermark, for quick one-off developer tasks.
FreeNo sign-up
What to know▼
How it works
A set of over 19 free browser developer utilities, including QR code and barcode generators, a JSON formatter, and a Base64 encoder.
Pricing
Free, no signup, no watermark.
Best for
Developers needing quick one-off utilities like QR/barcode generation or JSON formatting without setting up a signup.
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A Chrome extension that rewrites LinkedIn humblebrags and corporate jargon into plain English with one click - a joke utility, not a language translator.
Free
What to know▼
How it works
A Chrome extension that rewrites LinkedIn humblebrags, hustle-culture posts and corporate jargon into plain English with one click.
Pricing
Free.
Best for
Anyone who wants a quick, joking translation of what a LinkedIn post actually means.
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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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Over 270 small browser-based utilities (PDF editing, image conversion, text tools) that run without installs or an account, so files stay on your device.
FreeNo sign-upNothing to install
What to know▼
How it works
Over 270 browser-based utilities — including a PDF editor, image converter, and text formatter — that run directly in the browser.
What's different
No downloads or account needed, so files stay on your device instead of being uploaded.
Pricing
Free.
Best for
People who need a quick PDF, image or text tool without installing software.
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A free collection of 85+ browser-based utility tools (word counter, calculators, JSON formatter, hash and password generators, converters) that run entirely client-side with no file uploads, instead of scattered single-purpose tool sites.
Watch out · PDF tools, image compression, and AI-powered utilities are listed as coming soon, not yet live.
FreeNo sign-upData stays with you
What to know▼
How it works
Everything runs in the browser with no signup and no tracking; files are never stored because there is no upload.
Watch out
PDF tools, image compression, and AI-powered utilities are listed as coming soon, not yet live.
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A grab-bag of 39+ free browser tools, password generator, QR codes, JSON formatter, unit converters, with no sign-up; a general utility kit, not built for one audience.
FreeNo sign-up
What to know▼
How it works
A collection of 39+ free browser tools including a password generator, age/percentage calculators, image compression, QR code creation, and a JSON formatter.
Pricing
Completely free; no sign-up required.
Best for
Students, developers, creators, and professionals who need quick, one-off utility tools without installing anything.
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Five Python scripts for repetitive office tasks — CSV cleanup, bulk email, file organizing, PDF merging, web scraping. The code is free; the paid bundle adds support, and you'll need enough Python comfort to run scripts yourself.
Free
What to know▼
How it works
Five Python scripts that automate repetitive office tasks: CSV cleaning, bulk emails, file organizing, PDF merging, and web scraping.
Pricing
The code is free on GitHub; the $29 bundle adds support.
Best for
Developers or makers comfortable running Python scripts who want to automate recurring office tasks.
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110+ browser-based dev utilities — JSON, JWT, regex and SQL formatting and more — that run entirely client-side with no signup, uploads or server calls.
FreeNo sign-upData stays with you
What to know▼
How it works
A collection of 110+ developer utilities — JSON formatter, JWT decoder, regex tester, base64, diff checker, SQL formatter and more — that run entirely in the browser.
What's different
No uploads, no server calls, and no signup, unlike tools that process input server-side.
Pricing
Free.
Best for
Developers who want quick one-off formatting or decoding tools without sending data to a server.
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Free no-signup toolbox for cleaning and converting CSV/JSON files, decoding JWTs, generating QR codes, and calculating marketing metrics, for people doing quick data or daily tasks, instead of juggling multiple single-purpose tools.
Free
What to know▼
How it works
Browser-based toolbox for cleaning and converting CSV/JSON files, decoding JWTs, generating QR codes, and calculating marketing metrics like CPC/CTR/ROAS.
Pricing
Free, no signup.
Best for
Anyone needing quick data or utility tasks without installing software.
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A browser-based developer toolkit of 18 utilities (JSON, JWT, CSV, XML, Base64, Regex and more) that run entirely client-side, for developers who don't want to paste sensitive data into a tool that logs it.
FreeNo sign-upWorks offline
What to know▼
How it works
Runs 100% in the browser with zero data sent to any server; works offline, no signup, no account.
What's different
Built after a developer was fired for pasting an API response into a JSON formatter that logged everything.
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A free suite of browser-based developer tools, JSON formatter, regex tester, cron builder, a WCAG accessibility checker, that runs client-side with no signup, ads, or data sent to a server.
FreeNo sign-upData stays with you
What to know▼
How it works
A small suite of browser-based dev tools — JSON formatter, regex tester, cron builder, WCAG contrast checker, and API request tester — that run entirely client-side.
What's different
No accounts, no ads, and no data sent to a server, unlike bookmarked dev-tool sites that get slower and ad-heavier over time.
Pricing
Free.
Best for
Developers who want quick utility tools without signing up or sending data to a server.
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Over 168 small utilities — converters, calculators, dev tools — running client-side in your browser with nothing uploaded, no account needed, and offline support once loaded.
FreeNo sign-upNothing to install
What to know▼
How it works
A collection of 168+ browser-based utilities — developer tools, image converters, text analytics, calculators, network utilities and more — that run entirely client-side.
What's different
Every tool runs in your browser so your data never leaves your device, works offline once loaded, and there's no account, paywall or ads on the tools themselves.
Pricing
Free.
Best for
Developers and everyday users who want quick one-off utilities without uploading data or creating an account.
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A free collection of browser-only utilities — JSON formatter, regex tester, password generator, QR generator and more — for developers and quick technical tasks, with nothing ever uploaded to a server.
FreeData stays with you
What to know▼
How it works
A collection of browser-only tools - JSON formatter, password generator, regex tester, unit converter, QR generator and more - that run entirely client-side.
What's different
Nothing ever leaves the browser to a server.
Pricing
Free.
Best for
Developers needing quick technical utilities without uploading data.
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A bundle of free online utilities — calculators, unit converters, PDF tools, password generation — a generic all-purpose toolkit rather than something built for one specific need.
Free
What to know▼
How it works
A bundle of free online utility tools — calculators, unit converters, PDF editing, password generation and more — in one site.
Pricing
Free.
Best for
People who want a single site for miscellaneous everyday digital tasks rather than a tool built for one specific need.
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A free, no-signup grab-bag of browser tools: image compression, background removal, invoice generation, WhatsApp messaging. Thin, generic copy with no single clear audience.
FreeNo sign-upNothing to install
What to know▼
How it works
A collection of free browser tools for compressing images, removing backgrounds, adding watermarks, generating invoices, and sending WhatsApp messages.
Pricing
100% free, no signup.
Best for
Anyone who needs a quick, no-account way to handle a one-off image or invoice task.
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A free collection of 10 browser-based everyday utilities like a word counter and QR generator, with nothing stored.
FreeNo sign-up
What to know▼
How it works
Provides 10 free browser-based utilities — word counter, password generator, unit converter, JSON formatter, QR code generator, and calculators for loans, age, percentages, BMI, and countdowns — with nothing stored or sent anywhere.
Pricing
Free, no signup, no accounts.
Best for
People wanting quick everyday tools without creating an account.
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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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34 free browser-based developer utilities - JSON/XML/SQL formatters, JWT decoder, UUID and QR generators, cURL converter - that run locally with no signup or install.
FreeNo sign-upNothing to install
What to know▼
How it works
A collection of 34 browser-based developer utilities — JSON/XML/SQL formatters, a JWT decoder, UUID and QR code generators, a cURL converter, and text comparison tools.
What's different
Everything runs locally in the browser with no signup or install required.
Best for
Developers who want quick one-off formatting or conversion tools 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.
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A 46+ tool suite (JSON formatter, JWT decoder, RSA key generator, RegEx tester) that runs entirely in your browser with zero server calls - free and offline, for developers.
FreeWorks offline
What to know▼
How it works
Runs 46+ developer utilities — JSON formatter, JWT decoder, RSA key generator, RegEx tester — entirely in your browser with zero server communication.
What's different
100% offline and client-side, installable as a PWA, with no logs or data leaks.
Pricing
Free.
Best for
Developers who want common dev tools without sending code or data to a server.
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A free, open-source desktop app for opening and searching multi-gigabyte JSON files on macOS and Windows in seconds - a free alternative to paid tools like Dadroit.
FreeOpen sourceCan export my data
What to know▼
How it works
Opens and searches multi-gigabyte (2-3 GB) JSON files on macOS and Windows, with a tree viewer, regex search over keys and values, subtree extraction, export to CSV/XML, and multi-file union.
What's different
Free, open-source alternative to paid large-JSON viewers like Dadroit, with no cost or usage limits, including for commercial use.
Pricing
Free.
Best for
Developers who regularly need to open and search very large JSON files.
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A free, ad-free text case-converter and formatter with a character-limit warning — a simple general-purpose utility the maker pitches at writers, students and developers alike.
FreeNo ads
What to know▼
How it works
A web-based text formatter with uppercase/lowercase toggles, a smart sentence-case algorithm, and an automated character-limit warning above 5,000 characters.
What's different
Ad-free with a dark mode, and a character-limit warning built specifically to prevent page crashes.
Pricing
Completely free.
Best for
Writers, students and developers who need a quick, no-clutter text case converter.
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25 free browser tools — Base64/URL encoding, JSON formatting, regex testing, password strength checks, image compression, QR code generation and an AI content studio — all run instantly in-browser, no install or signup.
