About This Tool
Encode and decode text using Base64, URL encoding, HTML entities, and other common formats. Essential for web development, debugging API requests, and working with data serialization.
How to Use
Select the encoding format you need — Base64, URL encode/decode, HTML entities, or others.
Paste or type your input text in the input field.
The encoded or decoded result appears instantly in the output field.
Click Copy to copy the result to your clipboard.
Frequently Asked Questions
What is Base64 encoding?
Base64 converts binary data into ASCII text using 64 characters (A-Z, a-z, 0-9, +, /). It's commonly used for embedding images in HTML/CSS, sending binary data in JSON, and email attachments.
What is URL encoding?
URL encoding (percent-encoding) replaces unsafe characters with % followed by their hex value. Spaces become %20 or +. This ensures special characters don't break URLs.
When should I use HTML entity encoding?
Use HTML entities when displaying user-generated content in HTML to prevent XSS attacks. Characters like <, >, &, and quotes are converted to their entity equivalents.