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Base64 Encode/Decode
Encode/decode Base64 safely. Includes validation and optional Data URL helper.
base64encodedecodedata urlutf-8
⌘⇧CCopy output
Your data stays in your browser — nothing is uploaded.
Input
Size: 0 B
Options
Mode
Data URL
This is for convenience only. No files are uploaded anywhere.
Output
Enter text (encode) or Base64 (decode).
Output is plain text only (safe by design).
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What is Base64 Encode/Decode?
Base64 Encode/Decode is a free tool for converting text to Base64 encoding and back. It validates Base64 strings, handles UTF-8 text, and can generate data URLs for embedding content in HTML/CSS.
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How it Helps
- ✓Encode text, credentials, or binary data to Base64 for APIs and web apps.
- ✓Decode Base64 strings to inspect encoded content.
- ✓Generate data URLs for embedding images or files in HTML/CSS.
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Usage Guide
- 1Paste your text or Base64 string into the input field.
- 2Click Encode to convert text → Base64, or Decode for Base64 → text.
- 3Copy the result or use the Data URL helper for HTML embedding.
Frequently Asked Questions
No. Base64 is an encoding scheme, not encryption. It makes binary data safe for text-based transport but does not provide security.
This tool encodes text input. For file-to-Base64 conversion, paste the file contents as text.
Yes. The tool properly handles UTF-8 encoded text, including emoji and international characters.