PlainPDF: Scanner & PDF Editor

Scan, fill in, sign, annotate and compress PDFs. Every tool is free, with no watermarks, no account and no subscription. Your files are processed on your device and never uploaded. SCAN • Scan documents with automatic edge detection • Crisp black & white mode for text, plus colour and greyscale • ID cards: put the front and back on one page at real card size • Get a file name suggested from the page, like "Electricity Bill Oct 2026" • Make scans searchable with on-device text recognition FILL, SIGN & ANNOTATE • Fill in PDF forms: type straight into the fields, or fill them in one tap from My details • Sign PDFs: draw or type your signature, add the date, text and ticks • Highlight, underline and strike out text, draw with a pen or marker, and add notes • Organize pages: reorder, rotate, delete, duplicate, insert and extract • Add watermarks like CONFIDENTIAL or COPY, and page numbers CONVERT • Merge PDFs and photos into one file • Split PDFs by page, by range or every few pages • Compress PDFs for email and upload limits, or set a target size like "under 2 MB" • Turn photos into PDFs with A4, Letter or fit-to-photo pages • Copy text from any scan or photo PDF • Extract images from PDFs, or save pages as images PRIVACY & SECURITY • Redact: find emails, phone numbers, card, bank and ID numbers, and black them out for good before you share • Add a password to a PDF, or remove a password you know QR CODES THAT NEVER EXPIRE • Create QR codes for links, Wi-Fi, contacts, email, phone, SMS, UPI payments and locations • The information is stored in the code itself, so it keeps working without any server • Every code is tested before you save it • Scan QR codes and see where a link really goes before opening it WORKS THE WAY YOU DO • Files app and "Open in PlainPDF" from Mail, Messages and other apps • Designed for iPhone and iPad, in light and dark mode • In English, Spanish, Portuguese, German, French, Italian and Japanese FREE, HONESTLY Every tool is free with ads. PlainPDF Pro is a one-time purchase that removes ads, adds batch processing for many files at once, and unlimited text recognition on large documents. No subscription, ever. No account. Your files never leave your device. Questions or ideas: hello@smileappsstudio.com