Nobuf

Base64 Encoder & Decoder

Local only

Encode Unicode text or decode standard and URL-safe Base64.

Ready Processed locally on this device

Text input

0 characters
Enter text or Base64…

Base64 output

0 characters
The result will appear here.

Input

0

Output

0

Mode

Encode

Variant

Standard

How to use it

  1. 01

    Select a mode

    Choose encode or decode and enable URL-safe output when needed.

  2. 02

    Enter a value

    Unicode text is handled safely, including non-Latin characters and emoji.

  3. 03

    Copy the result

    Swap the fields to quickly perform the inverse operation.

Frequently asked questions

Is Base64 encryption?

No. Base64 is a reversible encoding and provides no confidentiality.

What is URL-safe Base64?

It replaces characters that have special meaning in URLs and commonly omits padding.

Keep working with other focused browser utilities.

All tools

Local by default; remote data sources are clearly disclosed.

© 2026 Nobuf

Nobuf

Fast, local-first utilities powered by your browser.