Encode text
Hello WebMultitool
SGVsbG8gV2ViTXVsdGl0b29s
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to UTF-8 safely in your browser.
Encode UTF-8 text to Base64 or decode Base64 snippets while keeping the data inside your browser session. Base64 is useful for transport and inspection, not secrecy.
Runs locally in your browser. Do not paste secrets unless you trust your own device and browser session.Output
Output will appear here.
Base64 is encoding, not encryption. Avoid pasting secrets unless you trust your own device and browser session.
How to use Base64
- Choose Encode or Decode.
- Paste the text or Base64 value.
- Run the action and copy the result.
Examples
Copy patterns and edge cases worth checking.
Decode Unicode text
UHJpdmF0ZSB0b29scyDwn5SQ
Private tools 🔐
FAQ
Short answers before you paste real data.
Is Base64 encryption?
No. Base64 is encoding, not encryption. Anyone can decode it.
Can I paste secrets here?
The tool runs locally, but you should still avoid pasting secrets unless you trust your own device and browser session.
Does it handle Unicode?
Yes. The tool uses UTF-8 safe encoding and decoding.
Practical guides
Step-by-step notes for getting a reliable result from this tool.
1 min read
How to Decode Base64 Safely
Base64 is encoding, not encryption. Here is how to inspect UTF-8 text without over-trusting it.
1 min readHow to Decode a JWT and Check Token Claims
Inspect a JWT header, payload, expiry time, and common claims without uploading the token.
1 min readHow to Generate a Strong Random Password or API Token
Choose length, character sets, and token formats for passwords, API keys, and local test secrets.
1 min readHow to Convert an Image to Base64
Create a Base64 data URL from a small image and know when not to use one.
1 min readHow to Convert Text to Binary and Back
Turn UTF-8 text into binary bytes, decode binary text, and avoid common spacing mistakes.
Related tools
Useful next steps that also run locally in your browser.
Image to Base64 Converter
Convert PNG, JPG, WebP, GIF, or SVG images into Base64 data URLs locally in your browser.
Text to Binary Converter
Encode UTF-8 text to binary bytes or decode binary back to text locally in your browser.
URL Encoder/Decoder + Query Parser
Encode URL components, decode percent-encoded text, and parse query parameters.