Data Cleanup

Base64 Encoder and Decoder

Encode UTF-8 text to Base64 or decode Base64 back to readable text, including URL-safe variants.

Runs in your browser No uploads Instant output

Client-side tool

Base64 Encoder and Decoder

Ready

Mode URL-safe Base64

Text or Base64 Input

Result

Samples:

About this tool

Encode and decode Base64 strings

Use this Base64 encoder decoder for API payloads, headers, tokens, data URIs, and quick text conversion. UTF-8 handling is included so non-ASCII text survives round trips.

Supported inputs and outputs

Standard Base64, URL-safe Base64, padding repair, UTF-8 encode, and UTF-8 decode.

Privacy note

Base64 Encoder and Decoder runs in your browser. DataZier does not upload your pasted text or selected files for processing.