Offline engine (processed locally)TEXT v1.0.0 Spec

Base64 Decode

v1.0.0

Instantly decode Base64 encoded data back to readable text, JSON, or binary. This free online Base64 decoder handles UTF-8, ASCII, and binary input with no registration needed. Perfect for debugging encoded tokens, API responses, or email attachments. All decoding happens directly in your browser for maximum privacy and speed.

Live sync—ms

TEXTInput (TEXT)Invalid

lines: 1chars: 33Size: 33 BUTF-8

TEXTOutput (TEXT)

Auto-generated

Converted output will appear here

lines: 0chars: 0Size: 0 BUTF-8

Size change: -100.00%TOML compliant: v1.0.0

Tool guide

Accurate conversion

Input is processed by this tool’s dedicated converter.

Local processing

Your input is processed in your browser and is not uploaded.

Ready-to-use output

Copy the result or save it as a file.