DartPDF vs PDF On

DartPDF is a PDF editor that runs entirely on your device. Open any PDF to mark it up, fill in forms, sign it, redact content, rearrange pages, or edit the text and images on the page. Changes save back to the original file. Nothing is uploaded. There's no account, no sync, and no ads. Features: • Highlight, underline, strikethrough, and freehand ink • Shapes, arrows, text boxes, notes, and stamps • Edit existing text and add images • Redaction that removes the covered text and images from the file, not just from view • Fill form fields (text, checkboxes, radio buttons, dropdowns), or add your own • Drawn signatures placed anywhere, plus certificate-backed PAdES digital signatures • OCR scanned PDFs so text can be selected and searched • Reorder, delete, and export pages to a new file • Full-text search, text selection, and links • Compare two versions side by side • Open password-protected files Runs on iPhone, iPad, and Mac. Opens PDFs from the Files app, share sheets, or drag-and-drop. Light and dark themes.

PDF On turns paper into clean PDFs and lets you finish them right away: fill in, sign, highlight, share. Everything happens on your iPhone. No account, no upload, no tracking. SCAN AND CREATE • Scan documents with automatic edge detection • Take a photo and crop it: the edges are found and straightened for you • Build PDFs from photos, files and other PDFs • Convert Word, Excel, PowerPoint, Pages, Numbers, Keynote, text and HTML files to PDF • Choose page size, layout (1, 2 or 4 per page) and quality • Optional date and time stamps • Make PDFs searchable with on-device text recognition • Protect PDFs with a password FILL IN AND SIGN • Tap a form field and type: the text lands inside the box, on the line • Return jumps to the next field • Checkmarks snap into checkboxes, dates follow the format of the form • Your name, address and phone number appear as suggestions above the keyboard • Sign by drawing, or photograph your signature on paper • Place a passport photo on an application form: the photo frame is found automatically • Typefaces, sizes, bold and colors for every language MARK UP • Highlighter, pen with thickness and opacity, lines, arrows, rectangles and circles • Undo and redo READING MODE • Full screen with trimmed margins, so the text is larger • Highlight with one swipe, in four colors of your choice • Name your colors, for example "Important" or "Question", and add notes • A list of all highlights with page jump; share them as text • The app remembers where you stopped reading ID CARD AND PASSPORT COPY • Front and back on one sheet in true original size • Optional enlargement, grayscale, cut lines and a watermark such as "Copy for landlord" PAGES • Reorder, rotate, crop, straighten and delete pages • Merge PDFs, insert scans, photos or other PDFs • Export the text as a Word document (.docx), copy text, search in the document PRIVATE BY DESIGN • Works fully offline • No account, no ads, no tracking, no data collection • Optional app lock with Face ID • Share extension: send photos and PDFs from other apps to PDF On LANGUAGES English, Spanish, German, French, Arabic, Persian, Urdu and more than 40 other languages, with full right-to-left layout.