How to reveal incorrectly redacted content in a PDF document, and discover previous versions of that document inside its file.
Have you lost any precious files lately? Old movies of your kids when they were young, perhaps. Wouldn’t it be good to be able to recover them?
How you can tell whether a PDF file is likely to contain orphaned content and other problems, as available now in Podofyllin.
When I opened a PDF to inspect its source, the file was quite different to that seen in BBEdit. Was my file system broken?
Would you like to have two or more windows open on the same document, so you can check notes or references while reading? Now you can, for PDFs.
PDF is an invaluable, universal document format which is fundamentally flawed, allowing it to leak unintended content and worse. Here’s how this happens.
Three ways to remove data from PDFs: redaction, deletion of content, and deletion of annotations. Can you trust them, or do they leak data?
That document is damaged and can’t be opened. But you think it’s got versions saved, if only you could get at them. How?
Do you use digital signatures in PDF documents, or do you trust your PDF reader to check them? You could be spoofed into trusting forgeries.
Getting the Find feature right for PDF documents is important. With text find already available, the best solution is distinct from that.