Base64 Encode and Decode

Text or file. Both directions.

Your files never leave your device

How it works

Switch between text mode and file mode. Pick encode or decode. Paste your input. The output is generated instantly and locally — nothing leaves your browser.

This site was built in one night using AI.

Every tool here runs on somewhere.tech — the backend for developers who ship with AI coding agents.

30-second build video — coming soon.