Base64 Encoder / Decoder

Encode plain text to Base64 or decode Base64 strings when you need to inspect payloads, config values, or test data.

Encode plain text to Base64 or decode Base64 strings back into readable text for quick browser-based development tasks.


Explore more tools that work well with this page.

Json Formatter Beautify JSON for easier reading, debugging, and review. Regex Tester Test regular expressions in a focused browser workflow. URL Encoder Encode and decode URLs instantly for web development tasks.

FAQ

Common questions about this tool.

Can it both encode and decode?

Yes. You can convert plain text to Base64 or decode a Base64 string back into readable text.

Is the conversion done in the browser?

Yes. It runs in the browser for quick checks without sending the text through a separate app.

How to use

Paste text or Base64, choose Encode or Decode, then copy the result.

  1. Paste the plain text or Base64 string into the input area.
  2. Click Encode to convert plain text, or Decode to reverse a Base64 string.
  3. Copy the result into your test payload, config, or notes.

Use cases

Most people use this for quick inspection rather than long-form conversion work.

  • Decode Base64 values from configs, logs, or webhook samples.
  • Create Base64 strings for test payloads and debugging.
  • Check whether an encoded value turns back into the text you expect.

When this tool is useful

Encode plain text to Base64 or decode Base64 strings when you need to inspect payloads, config values, or test data. Base64 Encoder sits in the encoding & ids part of the site, which focuses on encode values, generate identifiers, and handle utility output.

This category is best for small but frequent developer tasks where opening a larger app or terminal flow would be slower than staying in the browser. Within that group, it leans toward encoding & decoding tasks, so the page is tuned for quick single-purpose use rather than a long multi-step workflow. If this step is only part of the job, the most relevant follow-up tools are Json Formatter and Regex Tester.

Before you copy the result

  • Check that the generated or converted value matches the format your next system expects.
  • Copy a fresh result only after confirming length, separators, or symbols if your destination is strict.
  • Keep a second utility tool nearby when you need to decode, validate, or inspect the result afterward.

Example

A quick example of how this tool works.

Input

hello world

Output

aGVsbG8gd29ybGQ=