Base64 & URL Encoder / Decoder
Quickly encode or decode Base64 text and URL query strings.
Related Free Tools
About Free Base64 & URL Encoder / Decoder Online
Encode plain text to Base64 or URL-safe format, and decode Base64 strings or percent-encoded URLs with full UTF-8 Unicode support.
How to Use
- Paste your text, URL, or Base64 string into the input box.
- Click Base64 Encode, Base64 Decode, URL Encode, or URL Decode.
- Copy the converted result with one click.
Key Features & Benefits
- Handles international UTF-8 characters (including emojis and non-Latin scripts) without corruption.
- Essential for web developers working with query parameters, data URIs, and API headers.
Frequently Asked Questions
Why does my Base64 text break with special characters?
Standard btoa/atob fails on Unicode; this tool uses UTF-8 encoding before Base64 conversion so all characters work cleanly.
Standard btoa/atob fails on Unicode; this tool uses UTF-8 encoding before Base64 conversion so all characters work cleanly.
When should I use URL Encode?
Use URL Encode when passing spaces, &, ?, or special symbols inside URL query parameters.
Use URL Encode when passing spaces, &, ?, or special symbols inside URL query parameters.