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URL & Base64 Encoder Decoder

Convert your payloads instantly between URL parameter strings, Base64 values, HTML tags, and hexadecimal arrays securely.

Algorithm
Operation
Input
Invalid encoding payload formats detected.
Output

Why use our Encoder Decoder?

Encoding or decoding strings, keys, or URL parameters manually can be tedious and prone to parsing errors. Developers need instant access to safe encoding helpers daily.

Our online Encoder Decoder allows you to perform percent encoding, Base64 conversion, HTML tag escaping, and ROT13 ciphers instantly. Because it is built as a client-side utility, your secure strings are never sent across network ports.

Privacy Guaranteed
100% browser-based calculations. No network requests are made with your parameters.
Multi-Algorithm Support
Select between Base64, URL Encode, HTML Entities, Hexadecimal, and ROT13.
Swap Capabilities
Easily copy the output content back into the input panel with the swap utility button.
Auto Indicators
Alerts you dynamically if base64 decoding fails or input character set formatting is invalid.

Frequently Asked Questions

What is Base64 encoding?
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It is frequently used to embed inline images in CSS/HTML or transmit sensitive fields without corruption during data transfers.
Why do I need to encode URLs?
URL encoding replaces unsafe ASCII characters with a "%" followed by two hexadecimal digits. This allows query strings containing spaces, ampersands, or slashes to be transmitted safely over HTTP requests.
Is my conversion data secure?
Yes. Since all computation processes run directly within your local browser sandbox, no payload variables, text strings, or credentials are uploaded or logged to any server directories.