Base64
Base64 Encode / Decode
Overview
Free Base64 encoder/decoder. Convert text to Base64 and decode Base64 back to text instantly.
Encode or decode Base64 strings with UTF-8 support.
Common workflows
- Format and validate JSON before committing, debugging, or pasting payloads into API tools.
- Decode JWTs, Base64 strings, URL-encoded text, and HTML entities while investigating data flow issues.
- Preview HTML, CSS, and JavaScript together or convert between related web data formats like CSV, JSON, and YAML.
FAQ
Is Unicode supported?
Yes. This tool safely encodes and decodes UTF-8 text.
Does it work offline?
Yes. All processing happens locally in your browser.