Input
Paste JSON or XML · or drop a file
Output
Input
Type, paste, or drop a file
Output
Token
Paste a JWT string
Header
Secret
Payload
JSON
Secret
Payload
Signature
Original
Drop a file or paste
Modified
Drop a file or paste
Diff
Input
Accepts Unix seconds, Unix milliseconds, an ISO date string, or a SAP timestamp (YYYYMMDDHHMMSS)
Output
· Click any value to copy
Timezones
· drag the time bar or a timeline to shift every row · remembers your list between visits
Image
drop · click · paste (Ctrl+V) · drag handles to crop · Ctrl+scroll to zoom
Preview
Threshold
Scale
100%
Drop an image, click to browse, or paste from clipboard
ZPL (^GFA)
Image
drag handles to crop · Ctrl+scroll to zoom · drag to pan
Decoded output
Drop an image, click to browse, or paste from clipboard
Works best on an unrotated scan with a white quiet border — for a whole label, drag the crop handles around just the barcode if auto-detect doesn't find it