String Encoder/Decoder

• String encoder/decoder: switch between Encode and Decode modes and choose from 10 methods — Base64, URL, HTML Entity, Unicode, ROT13, Caesar, Binary, Hex, Reverse, and Morse — covering everyday text conversion, debugging, and teaching needs.

1. Open the tool page — no download or installation needed; everything runs in your browser.
2. Paste or type your text in the input box, then click the Encode or Decode tab at the top and pick a method. For Caesar, you can also set a shift value from 1 to 25.
3. The result is generated in real time as you type. When it looks right, click Copy to grab it with one click. You can also use Example to try a sample or Reset to clear.

• This tool is completely free and requires no sign-up or login.
• All encoding and decoding happen locally in your browser — your data is never uploaded to any server.

Free online string encoding and decoding tool, supports Base64, URL, HTML entities, Unicode, ROT13, Caesar cipher, binary, hexadecimal, Morse code and many other encoding/decoding methods – a one-stop solution for all text encoding conversion needs.

Open the tool page — no download or installation needed; everything runs in your browser. Paste or type your text in the input box, then click the Encode or Decode tab at the top and pick a method. For Caesar, you can also set a shift value from 1 to 25. The result is generated in real time as you type. When it looks right, click Copy to grab it with one click. You can also use Example to try a sample or Reset to clear.

This tool is completely free and requires no sign-up or login. All encoding and decoding happen locally in your browser — your data is never uploaded to any server.

Yes, String Encoder/Decoder is completely free. No download or installation required — it runs right in your browser.