Free Tools
Free Developer & Business Tools
Fast, private and free. Every tool runs entirely in your browser — no sign-up, no uploads, no limits.
100% private No backend Always free
Live
JSON → CSV / Excel Converter
Turn JSON into clean CSV or Excel in one drop.
- CSV & Excel export
- Flatten nested objects
- Drag & drop
- No upload — 100% local
Live
Bulk CSV Cleaner
Fix messy CSV files in seconds.
- Remove duplicates
- Trim spaces
- Normalize emails
- Drop empty rows
Coming soon
Invoice Generator
Create professional invoices, instantly.
- Client & line items
- Instant PDF export
- No sign-up needed
- Works offline
On the roadmap: JSON Formatter · Markdown Table Generator