Encoder and Decoder Tools
These encoder and decoder tools let you Base64 decode and encode text, plus convert URL, ASCII, binary, and hexadecimal.
URL Encoder
This URL encoder converts text into a percent-encoded, URL-safe string. Paste your text above to encode…
Open calculator Encoder and Decoder ToolsURL Decoder
This URL decoder converts a percent-encoded URL or string back into readable text. Paste your encoded…
Open calculator Encoder and Decoder ToolsBase64 Encoder
This Base64 encoder converts text into a Base64 string. Enter your text above to encode it…
Open calculator Encoder and Decoder ToolsASCII Converter
This ASCII converter turns text into ASCII codes and converts ASCII codes back into text. Enter…
Open calculator Encoder and Decoder ToolsBase64 Decoder
This Base64 decoder converts a Base64 string back into readable text. Paste your encoded value above…
Open calculator Encoder and Decoder ToolsBinary Converter
This binary converter changes binary to text, decimal, and hexadecimal, and converts them back to binary.…
Open calculatorHex Converter
This hex converter translates hexadecimal to text, decimal, and binary, and converts those formats back to…
Open calculatorAbout Encoder and Decoder Tools
These encoder and decoder tools let you Base64 decode and encode text, plus convert URL, ASCII, binary, and hexadecimal. Pick a tool below for an instant conversion that runs entirely in your browser.
Encoding jobs should be quick and private. These tools convert both directions in the browser, so nothing is uploaded and your data stays on your device.
Calculators in this category
- Base64 Encoder
- Base64 Decoder
- URL Encoder
- URL Decoder
- ASCII Converter
- Binary Converter
- Hex Converter
Frequently Asked Questions
What can I encode and decode here?
Base64, URL, ASCII, binary, and hexadecimal, in both directions. Each tool handles one encoding so you can convert text quickly and reliably.
Are these tools free to use?
Yes. Every calculator on this page is free, needs no signup, and works in your browser on mobile and desktop.
Is my text uploaded when encoding?
No. These tools run in your browser, so your input is processed locally and is never sent to a server.