43 local developer tools for AI agents: PDF, subnet, regex, JSON, conversion, and more.
Copy the AI prompt to install this server into Claude Code, Cursor, or another agent β or use 1-click editor setup below.
One-click editor setup isnβt available for this listing yet β we donβt have a confirmed install command, and weβd rather show nothing than point your editor at the wrong package or host. Follow the projectβs own setup instructions, linked above.
Developer tools that don't suck.
118 free developer tools. Everything runs 100% in your browser β no accounts, no tracking, your input never leaves your machine. Open source under MIT.
| Tool | Route | Category |
|---|---|---|
| JSON Formatter | /json-formatter | Format & Validate |
| Base64 | /base64 | Encode & Decode |
| URL Encoder | /url-encoder | Encode & Decode |
| JWT Decoder | /jwt-decoder | Encode & Decode |
| Timestamp | /unix-timestamp-converter | Convert |
| Hash Generator | /hash-generator | Generate |
| UUID Generator | /uuid-generator | Generate |
| .gitignore Generator & Auditor | /gitignore-generator | Generate & Audit |
Build output: ./out (static HTML/CSS/JS)
Tool inputs are processed client-side and are never sent to DevPick. Privacy-safe aggregate analytics measure page and tool outcomes without collecting inputs, filenames, or generated output.
Each tool is a self-contained route under app/<tool-name>/page.tsx β copy an existing one as a starting point. PRs welcome: new tools, better UX, bug fixes.
There is no backend β the build produces a plain out/ directory of static files. Serve it with anything:
No database, no env vars, no API keys. Every tool runs 100% client-side.
MIT β see LICENSE. Fork it, self-host it, use it commercially. If you build something cool with it, a link back is appreciated but not required.
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