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100% in-browser — nothing is uploaded

Your dev toolkit,
always at hand

9 essential tools for developers. Free, fast, private. No sign-up required.

🔐
Password & UUID
Generate secure passwords and UUIDs of any version.
GENERATE
🔡
Base64
Encode and decode Base64 strings instantly.
ENCODE
{ }
JSON Formatter
Format, validate and explore JSON structure.
TEXT
⏱
Timestamp
Convert Unix timestamps to human-readable dates.
TEXT
⇄
Text Diff
Compare two texts and highlight the differences.
TEXT
✍
Markdown Editor
Write Markdown and see a live HTML preview.
TEXT
🖼
Image Editor
Resize, crop and convert images. Stays in your browser.
IMAGE
🔄
Format Converter
Convert JPG ↔ PNG ↔ WebP, change quality and size.
IMAGE
🪙
JWT Decoder
Decode and inspect JWT tokens. Header, payload, expiry status.
AUTH