URL Encoder & Decoder
Encode a query parameter or decode percent-escaped text.
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Base64 Encoder & Decoder
Encode Unicode text as Base64 or decode it back to text.
Browser workspace
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A quick start
How to use it
- Enter text or a standard Base64 value.
- Choose Encode or Decode.
- Copy the result and check that it round-trips.
Common questions
How do I use the base64 encoder & decoder?
Enter text or a standard Base64 value. Choose Encode or Decode. Copy the result and check that it round-trips.
What should I check before using the result?
Base64 is reversible encoding, not encryption. This tool handles UTF-8 text, not arbitrary binary files.
Is my input stored or uploaded?
No. Tool input stays in browser memory and is not sent to a server. Favorites and recent tool names are saved locally only. Reloading clears your input.
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