Base64 Encoder & Decoder
Fast, free, and 100% private. No ads, works offline.
Input
Output
Why Base64Decode.it?
No Ads
Clean, distraction-free interface. Just the tool you need.
Works Offline
Install as a PWA and use it anywhere, no internet required.
100% Private
Everything runs locally. Your data never leaves your browser.
Fast
Instant encoding and decoding with zero server requests.