Base64 Encoder / DecoderEncode text or files to Base64 and decode Base64 back to text or a downloadable file.
URL Encoder / Decoder
Encode values for query strings, decode links full of %20 and %D8%A7, and inspect each query parameter of a URL in a table.
Runs entirely in your browser. Your input and files are not uploaded to any server.
How to use
- Paste text or a URL.
- Choose Encode component for a single value, Encode full URL to keep : / ? & = intact, or Decode.
- When the input is a full URL, its protocol, host, path and parameters are listed below.
Examples
Search query
“café & bar” → caf%C3%A9%20%26%20bar
Arabic URL
https://example.com/%D8%A3%D8%AF%D9%88%D8%A7%D8%AA → https://example.com/أدوات
Privacy
Runs entirely in your browser. Your input and files are not uploaded to any server. See the privacy policy for what is stored in your browser (favorites and history only). Privacy policy
Check it yourself: open your browser’s developer tools, select the Network tab and use the tool. Your file never appears in an upload request. Once this page is saved for offline use, you can also disconnect from the internet and keep working. Ads and anonymous visit statistics, when enabled, make their own requests, but they never receive your files or text.
Frequently asked questions
What is the difference between the two encode modes?
Component mode (encodeURIComponent) encodes every reserved character, which is right for a single parameter value. Full-URL mode (encodeURI) leaves the characters that structure a URL alone.
Why do spaces sometimes become +?
HTML forms encode spaces as + in query strings. Decoding here treats + as a space when the “form encoding” option is on.
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