Base64 Encode / Decode

Encode or decode Base64 easily. Switch tabs to choose between encoding and decoding.

How to use:

  1. Paste your text or Base64 string into the input box.
  2. Choose the appropriate tab (Encode or Decode).
  3. Click Encode to Base64 or Decode from Base64 to process your input.
  4. Copy the result with the Copy button.

Why Use Base64 Encode & Decode on 1tools.app?

Ever get frustrated searching for a Base64 tool that’s actually simple, fast, and truly private? That’s exactly why I built this Base64 Encode & Decode feature on 1tools.app—for people who want a no-fuss, reliable solution. Everything happens right in your browser—your data never leaves your device, so your privacy is 100% protected.

You get two modes: Encode to turn regular text into Base64, and Decode to bring Base64 back to its original form. Just pick a tab, paste your text or Base64 code, hit the button, and your result appears instantly. No app installs, no sign-ups, and always free.

I’ve added a handy Copy button so you can grab your result in one click. Whether you’re encoding a secret message, a small file, or just checking a decode, it’s all possible here. The interface works smoothly on both mobile and desktop, making it perfect for developers, students, or anyone who needs a quick, straightforward tool.

One more thing: every tool on 1tools.app is designed to be lightweight and efficient. You can open multiple tabs without slowing down your device. Bookmark this page, and whenever you need to encode or decode Base64, you’re just one click away—fast, secure, and hassle-free, just the way I like it.

Example:

Encode Input
Hello world!
Encode Output
SGVsbG8gd29ybGQh
Decode Input
SGVsbG8gd29ybGQh
Decode Output
Hello world!