How to use the Base64 Encode/Decode
Encode or decode Base64 strings and files instantly. This tool runs entirely in your browser — your files and data never leave your device. No registration, no watermarks, no limits.
01
Type or drag a file into the encoder.
02
Select UTF-8 or ASCII strict parsing constraints.
03
Enable URL Safe formatting (RFC-4648) if passing in HTTP query links.
04
Copy the converted buffer hash.
Key Features
- ✓Bidirectional Decoding and Encoding.
- ✓File-Stream chunks (Drag a file to base64 encode the binary!).
- ✓URL Safe parsing toggles.
Frequently Asked Questions
What is Base64?
Base64 is a data encoding scheme used to convert binary data into a text-based format for transferring across networks.