Base64 Encoder/Decoder

Text/File ↔ Base64

Processed locally in your browser — nothing is uploaded

Upload File

Output

Processing result will appear here...

How to use Base64 Encoder/Decoder

Encode text or images into Base64 strings. Decode them back just as easily. 100% client-side — files are processed locally.

This tool runs entirely in your browser using JavaScript. Your data stays private and is never sent to any server.

Format & debug webhooks

Build Airtable formulas

Timestamp ↔ Readable Date