I just shipped 32 new developer tools to DevTools.run — all free, all browser-based, zero signups.
Here are the highlights:
Writing & Productivity
- AI Writing Assistant — 12 templates for emails, cover letters, LinkedIn posts, tweets
- Resume Builder — Build a professional resume with live preview
- Invoice Generator — Create invoices with crypto support (SOL, BTC, ETH)
- Text to Speech — Convert text to audio using browser Speech API
- Speech to Text — Voice transcription in 13+ languages
CSS & Design
- CSS Grid Generator — Visual grid builder with live preview
- Flexbox Playground — Adjust flex properties visually
- CSS Animation Generator — 12 animation presets with customization
- Color Palette Generator — Harmonious palettes using color theory
- Color Converter — HEX ↔ RGB ↔ HSL with sliders
- SVG to CSS — Convert SVG to CSS background data URI
- Pixel Art Editor — Draw pixel art, export as PNG
Code Tools
- Code Formatter — Format JS, CSS, HTML, SQL
- SQL Formatter — Beautify SQL queries with keyword uppercasing
- HTML to JSX — Convert HTML to valid React JSX
- JSON Formatter — Format, validate, minify, sort keys
- Regex Tester — Real-time match highlighting with presets
- Crontab Builder — Build cron expressions with next-run preview
- README Generator — Professional GitHub READMEs in seconds
- Markdown Preview — Live split-pane markdown editor
Converters & Generators
- Base64 Encoder — Encode/decode with UTF-8 support
- URL Encoder — encodeURIComponent & encodeURI
- Image to Base64 — Drag & drop image encoding
- Hash Generator — SHA-256, SHA-512 in real-time
- JWT Decoder — Inspect tokens with expiry check
- Password Generator — Cryptographically secure passwords
- UUID Generator — Bulk UUID v4 generation
- QR Code Generator — Create and download QR codes
- Timestamp Converter — Unix epoch ↔ date with live clock
- Lorem Ipsum Generator — Placeholder text generator
- Text Compare — Side-by-side diff checker
- Link Shortener — Custom short URLs with QR codes
Why Browser-Only?
Every single tool runs 100% client-side. Your data never leaves your browser. No accounts, no tracking, no rate limits.
The whole site is built with Next.js and deployed on Vercel. Each tool is a self-contained React component.
What's Next?
I'm building towards 200+ tools. If there's a tool you wish existed, drop a comment and I'll build it.
Check it out: devtools-site-delta.vercel.app
Also shipping a Solana trading bot on Telegram: @solscanitbot — 44 commands, MEV protection, copy trading.
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