Developer Tools

Base64 Encoder / Decoder

Encode and decode Base64 for APIs, data URIs, and debugging.

How to Use

  1. Paste text to encode or Base64 to decode.
  2. Switch mode with tabs.
  3. Copy output.

Examples

Hello

SGVsbG8= encoded in Base64

Read the full guide

How to Use Base64 Encoder / Decoder: Complete Guide (2026) — 5 min read

Frequently Asked Questions

Does it support Unicode?
Yes — encoding uses UTF-8 via TextEncoder.

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