Tools
Small utilities for working with data and identifiers. Free, no signup, nothing stored or logged.
Identifier number validator
Validate IBAN, VAT, credit card, and national ID numbers across 257 formats, decode GS1-128 barcodes, and work with check digits.
PDF table extractor
Extract tables from digitally generated PDFs as readable data, CSV, and JSON.
JWT debugger
Decode and verify compact JWTs, sign test tokens, and generate JOSE keys.