Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to text, with full UTF-8 support (emoji and non-Latin scripts included). Also decodes Base64 images and files into downloadable output.

100% free No uploads Runs in your browser No signup

Base64

Plain input

Encoded result

—

Fully UTF-8 safe — emoji and non-Latin scripts encode and decode correctly. The decoder also accepts URL-safe Base64 (with - and _ characters) and ignores whitespace and line breaks.

How to use the Base64 Encoder / Decoder

1
Open the tool above — it is already running, no install or account needed.
2
Enter your input and adjust the options to match what you need.
3
Copy or download the result — everything was processed locally in your browser.

Private by design

This tool runs 100% inside your own browser using local JavaScript — your input never touches a server. That makes it instant, offline-capable in many cases, and private even for sensitive data.

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