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Base64 Encode / Decode

Encode text or files to Base64 and decode Base64 back to text. Supports UTF-8 and URL-safe Base64.

Loading Base64 Encode / Decode…
🔒PrivateRuns in your browser — nothing is uploaded.
⚡FastInstant results, no waiting in queues.
💸FreeNo sign-up, no watermark, no limits.
📱AnywhereWorks on phone, tablet and desktop.

How to use the Base64 Encode / Decode

  1. Paste text or choose a file
  2. Click Encode or Decode
  3. Copy the result

About this tool

Encode text or files to Base64 and decode Base64 back to text. Supports UTF-8 and URL-safe Base64. Base64 Encode / Decode is part of ToolNest's collection of free developer tools. It works instantly in your browser with no account and no installation.

Frequently asked questions

Is the Base64 Encode / Decode free to use?

Yes. Base64 Encode / Decode on ToolNest is completely free, with no sign-up, no watermark and no daily limits.

Is my data private?

Yes. Base64 Encode / Decode runs entirely in your browser. Your text and data are not uploaded or stored on our servers.

Does Base64 Encode / Decode work on mobile phones?

Yes. ToolNest works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux. There is nothing to install.