A collection of 10 free, privacy-first developer tools. All client-side, no backend, no signup needed.
| Tool | Description |
|---|---|
| JSON → TypeScript | Convert JSON to TypeScript interfaces/types |
| CSV ↔ JSON | Bidirectional CSV/JSON conversion |
| Regex Tester | Live regex testing with replace |
| Base64 Encoder/Decoder | Base64 encode/decode with Unicode support |
| JWT Decoder | Decode JWT tokens without verification |
| SQL Formatter | Format and beautify SQL queries |
| Diff Checker | Side-by-side text comparison |
| UUID Generator | Generate UUID v4/v1 in bulk |
| Timestamp Converter | Convert Unix timestamps to dates |
| Color Converter | Convert HEX/RGB/HSL/CMYK |
- Pure HTML/CSS/JS — zero frameworks, zero dependencies
- GitHub Pages hosting — free, fast, global CDN
- All processing happens in your browser — no data leaves your machine
Get access to:
- File exports (.ts, .json, .csv)
- Batch operations
- Custom naming conventions
- Priority support
Payment: Payoneer (bishes.gr@gmail.com) or Khalti (9825755275)
Built by @Bshes. Available for freelance work.
MIT