Transform JSON, decode JWT, encode Base64, generate QR codes, and convert timestamps - all in one beautiful mobile app.
Free with 5 uses per tool per day • Unlimited: Unlimited access
Everything you need for daily development tasks
Format, minify, and validate JSON with syntax highlighting. Paste messy JSON and get it beautifully formatted instantly.
Decode and validate JWT tokens. View header, payload, and signature. Generate test tokens on the fly.
Encode and decode Base64 strings quickly. Perfect for API testing and data encoding.
Generate QR codes from any text or URL. Save to camera roll or share instantly.
Convert Unix timestamps to human-readable dates and vice versa. Support for milliseconds.
Access and rerun your recent conversions for quick reference.
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