Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 back to readable text.
What this tool does
Use URL encoding when spaces, symbols or non-English characters need to travel safely inside query strings.
How to use it well
Start with a small sample, check the output, then paste the full text when the result looks right. For important production data, review the output before saving or sharing it.
Common uses
- Encode query parameters
- Decode tracking URLs
- Inspect copied links
Guide
URL Encoding: Spaces, Symbols and Query Parameters
Understand percent encoding and when to encode a full URL versus a single parameter value.
Read guide