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About Base64 Converter

The Base64 Converter lets you quickly encode plain text into base64 and decode base64 back to readable text. It’s a handy helper for many everyday development and debugging tasks.

How to Encode Text

1. Type or paste the plain text you want to encode into the top text area.
2. Click Encode.
3. The base64‑encoded version of your text appears in the bottom output box—select and copy it as needed.

How to Decode Base64

1. Paste a valid base64 string into the top text area.
2. Click Decode.
3. If the string is valid, the decoded text appears in the bottom output box. If it isn’t valid base64, you’ll see an error message instead.

Typical Use Cases

• API debugging: Inspect or craft Authorization headers and other base64‑encoded payloads.
• Configuration & secrets: Quickly see what a base64‑encoded value represents in non‑production data.
• Data URLs: Experiment with small snippets of text data embedded in HTML or CSS.

Tips & Limitations

• This tool is best suited for text content. Binary files (images, PDFs, etc.) require more careful handling and are not recommended here.
• Base64 is an encoding, not encryption—anyone can decode it. Do not treat base64 as a security measure.

Privacy & Data Handling

All encoding and decoding are done in your browser using JavaScript. The text and base64 strings you work with are not sent to any server, and they disappear when you close or reload the page.