← ToolsEncoders
Base64 encode.
Encode and decode text or files with UTF-8 support and URL-safe mode. Auto-updates as you type.
UTF-8 · File
UTF-8 · 23 → 52 chars · auto-updates
Drop a file to encode it
or — max 5 MB · stays on device
How to use.
- Type or paste text — output encodes live.
- Flip to Decode to reverse any Base64 string, URL-safe included.
- Drop a file (≤5MB) to encode its bytes.
Related tools.
04Encoders
URL encoder
Percent-encode full URLs or single components, and split query strings into a readable table.
RFC3986
05Encoders
JWT decoder
Read a JWT header and payload offline with expiry checks. Signatures are decoded, never verified here.
JOSE · Offline
01Formatters
JSON formatter
Pretty-print, minify and validate JSON with exact error pointers.
JSON · Validate