🔒 Utilities

Iframe Sandbox Builder

Build an <iframe> with sandbox, allow, loading=lazy and referrer-policy attributes explained, with code preview ready for safe embedding.

Código gerado

Read Brazilian CNAB 240 and CNAB 400 banking files and display records decomposed by type.

Read GEDCOM (genealogy) files and list individuals (INDI) with name, birth and death dates.

Merge several PDFs into a single file in the given order. Everything in your browser via pdf-lib.