DevTools
Collection of free online tools to help in web development
DevTools launched on May 25, 2025 with 18 votes, #882 of 7,905 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 1 year on.
In plain words
DevTools is a free, browser-based collection of utilities designed for web developers. It includes tools for working with JSON, XML, Base64, hexadecimal, URLs, images, and other common development tasks like JWT decoding and SQL formatting. The platform operates entirely offline with no tracking, offers a clean interface, and features a searchable catalog of over 40 utilities to streamline developer workflows.
written from the facts on this page · October 2026
From the sources
A browser-based toolbox for developers: JSON formatters, Base64/HEX converters, QR generators, JWT decoders, and more. Clean UI, no tracking, and everything runs offline.
Free online tools for developers including JSON formatter, JSON to XML converter, and more. Improve your workflow with these handy utilities.
Search Ctrl + K Feedback JSON TOOLS JSON Formatter JSON to XML JSON to ENV JSON Query Explorer XML TOOLS XML Formatter TEXT TOOLS Text Diff Checker Word Counter Lorem Ipsum Generator Markdown Preview CSV TOOLS CSV Viewer URL TOOLS URL Encoder URL to QR Code BASE64 TOOLS Base64 Encoder/Decoder Base64 to File Base64 to HEX File to Base64 HEX TOOLS HEX Encoder/Decoder HEX to File HEX to Base64 File to HEX REACT TOOLS SVG to React Component IMAGE TOOLS Image Color Picker Image Resize Image Compressor Image Format Converter MISC TOOLS Color Converter JWT Decode ASN.1 Viewer SQL Formatter DevTools - Web Developer Utilities Collection of free online tools to help you in web development tasks…from onlinewebdevtools.com
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DevTools – 50+ developer tools AIOMar 2026 · quan1229.com · ▲2JSON, Regex, JWT, Markdown and more — all in one toolbox
DevTools SuiteMay 2026 · devtoolssuite.dev · ▲3Privacy-first dev tools run in browser. No login no tracking
Questions this answers
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Contribute to oosexgang/hackios-xnu-kernel development by creating an account on GitHub.
Dev tools · 2d ago · github.com
Contribute to reladraw/reladraw development by creating an account on GitHub.
Dev tools · 28d ago · github.com
OpenBot▲362Grok Bot alternative: free, local, open-source, multiplayer
Dev tools · 25d ago · openbot.run
Talanoa▲346Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…
Dev tools · 23d ago · talanoa.email
Source: Product Hunt launch ↗
Launched alongside, May 2025
the whole month →
Tapflow 2.0▲1,125We built Tapflow for devs, designers, PMs, and tech folks who’ve been sitting on internal docs, templates, and systems — but never productized them. Upload a PDF, notes, or workshop deck, and Tapflow drafts a structured product (with chapters, teaser and pricing plans). It’s good for AI kits, onboarding guides, design systems, and frameworks. You can sell through Stripe, LemonSqueezy, or PayPal. Real-time collaboration is in early beta. No site builder, no LMS — clean design and just focused tools to ship. Fully bootstrapped and just launched on PH today →…
Work · 2025 · tapflow.ai
- C9
Life & fun · 2025 · felixrieseberg.github.io
Appwrite Sites▲990Appwrite 2.0 brings a new engine, a rebuilt Console, five database types, an S3 API, an OAuth 2.1 server, and organization-level Domains and Firewall.
Dev tools · 2025 · appwrite.io
