About this tool

Encoded/Decoded

Encode and decode text

Encode & Decode converts text between formats like Base64, URL encoding and HTML entities — both directions, instantly. Paste a string, choose the operation, and copy the clean result, whether you're debugging, sharing data, or inspecting an encoded value.

How to use Encoded/Decoded

1. 1

   Open Encoded/Decoded on AltFTool — it loads instantly in your browser.

2. 2

   Paste your code or data sample into the workspace.

3. 3

   Pick the format, conversion, or analysis you need.

4. 4

   Copy the polished result straight back into your project.

Why use Encoded/Decoded

• Two-way conversion

  Encode and decode in the same tool.

• Multiple formats

  Base64, URL and HTML entity encoding.

• Private

  Your text is converted locally, never uploaded.

Common use cases

• Decode a Base64 string to read its contents.
• URL-encode a value before putting it in a query string.
• Encode or decode HTML entities while debugging.

Frequently asked questions