Check PDF structure and rebuild a cleaner copy when compatibility problems are found.
Validation and repair run locally with WebAssembly. Your PDF never leaves this browser, and link checking is kept offline.
PDF Active Content Inspector
Inspect and selectively remove scripts, automatic or external actions, attachments, interactive media, and XFA content locally.
Protect & Unlock PDF
Add AES-256 open-password protection or unlock an accessible PDF entirely in your browser.
Permanently Redact PDF
Burn sensitive areas into flattened pages and verify hidden PDF structures are removed locally.
Add Page Numbers
Number all or selected PDF pages with custom format, position, size, and margins.