FK FormatKit Tools
Encoders & Decoders

Base64 Encoder / Decoder

Encode plain text to Base64 or decode Base64 back to readable text.

Input

Output

Related tools

Keep the workflow moving

What this tool does

Base64 is often used in headers, tokens, data URLs and development logs. This tool keeps the conversion quick and readable.

How to use it well

Start with a small sample, check the output, then paste the full text when the result looks right. For important production data, review the output before saving or sharing it.

Common uses

  • Decode copied tokens
  • Encode short snippets
  • Inspect data URL fragments
Guide

Base64 Encoding Explained for Everyday Debugging

Learn what Base64 is, what it is not, and where it commonly appears in web development.

Read guide

Questions

Is Base64 encryption?

No. Base64 is encoding, not encryption. Anyone can decode it.

Does it support Unicode text?

Yes. The browser conversion handles normal Unicode text.