Developer

Base64 Encoder / Decoder

Free Base64 encoder and decoder — convert text to Base64 or decode Base64 back to text. Unicode-safe and runs in your browser.

Base64 Encoder / Decoder is a free online developer tool from FastDailyTools (Encode and decode Base64 strings instantly.). Free Base64 encoder and decoder — convert text to Base64 or decode Base64 back to text. Unicode-safe and runs in your browser. It runs entirely in your browser — no sign-up, no account, no email and no upload — and every result can be exported as a dated PDF report.

  • ✔ Price: free, unlimited use, no rate limits
  • ✔ Sign-up: not required
  • ✔ Privacy: all math runs client-side, nothing is uploaded
  • ✔ Export: one-click PDF report (2026 rates)
Result
SGVsbG8sIEZhc3REYWlseVRvb2xzIQ==

Popular long-tail searches from US users — jump straight to the tool.

Long-tail searches trending across the UK & Ireland — click to open the matching tool.

How to use Base64 Encoder / Decoder

  1. Paste text or Base64.
  2. Choose encode or decode.
  3. Copy the result.

Frequently asked questions

What is Base64?

A way to encode binary data as ASCII text, commonly used in data URLs, JWTs, and email attachments.

Is Base64 encryption?

No — Base64 is encoding, not encryption. Anyone can decode it. Never use it to hide sensitive data.

Related tools