Encode, decode, test, validate. 100% in your browser — no data sent anywhere.
Encode/decode Base64, Base62. Convert files to Base64. URL-safe mode.
Encode/decode URL components. 3 modes: component, URI, Base64URL.
Decode header, payload, signature. Check expiry. Verify HMAC-SHA256.
Format, validate, minify JSON. Real-time validation as you type.
Real-time matching, capture groups, flags. 12 common patterns built-in.
Parse cron to plain English. Preview next 10 executions. 12 presets.
Compress images, convert to WebP/AVIF. Resize, adjust quality. Side-by-side preview.
Remove GPS, camera info, timestamps. See what was stripped. Privacy first.
Extract 5-16 dominant colors from any image. Hex & RGB codes. Click to copy.
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