Guides
Every guide answers the question you actually searched — including the options that aren't us.
Tick the boxes on a PDF form from your iPhone — free with a fillable form or iOS Markup, or with a reusable checkmark you tap and place.
Read →Put the date beside your signature on a PDF — free with iOS Markup or Preview, or in one tap with a saved date field. Plus which date to write and how to format it.
Read →A contract needs signing today. How to add an electronic signature to it on your iPhone — the free route, the app route, and what to check before you sign.
Read →A lease or contract asks you to initial every page. Here's how to add your initials to all pages of a PDF on iPhone — the free Markup way and the faster app way.
Read →Three ways to add your signature to a PDF on an iPhone — built-in Markup, the Files app, and a dedicated signature app — with the honest trade-offs of each.
Read →Put your name, an address, a note or a date anywhere on a PDF using the Markup tool already on your iPhone — and when reaching for an app actually pays off.
Read →Looking for the best app to sign documents without printing? An honest comparison of iOS Markup, Adobe, cloud e-sign services and Signed on iPhone.
Read →Four different problems all feel like "the PDF won't let me type". Here's how to tell which one you have in about ten seconds, and the fix for each.
Read →Three ways to make an electronic signature on an iPhone — the free built-in one, a typed one, and a saved reusable one — plus which to pick and where each falls short.
Read →How to create initials for signing documents on iPhone — draw or type them, make them look right, and save them once so you can reuse them on any PDF.
Read →Typed the wrong thing on a PDF? Deleting text you added takes seconds — if the file hasn't been flattened yet. Here's the test, the free fix, and the honest limit.
Read →Draw a signature online with your mouse, trackpad or finger and download it as a transparent PNG or SVG — free, no watermark. Plus tips for making a drawn signature look natural.
Read →What separates an electronic signature from a wet (ink) signature, when each is expected, and how much legal weight they carry — a plain-English guide with honest caveats.
Read →Fill out a PDF form on your iPhone — text fields, checkboxes, dates, initials and signature — with the free built-in options and the app route compared honestly.
Read →Your signature vanished when the PDF was printed, or the recipient could drag it around. That's an unflattened annotation. Here's how to flatten a signed PDF on an iPhone — free route first.
Read →A practical method for designing a cursive signature — style principles, what to emphasize in your name, examples in real cursive fonts, and free tools to practice and export it.
Read →A landlord emailed you a lease PDF. Here's how to sign and return it online in minutes — the free built-in options, dedicated e-sign services, and what to check before you sign.
Read →What actually happens to your document when you sign it online — cloud e-sign services, free web tools and local-first apps compared honestly on privacy and security.
Read →A practical guide to a more professional-looking signature — the design principles that read as polished, mistakes to drop, and free tools to draft and refine yours.
Read →Signed in the wrong place? Whether you can remove a signature from a PDF on iPhone depends entirely on one thing — and there's a ten-second test.
Read →Your signature landed on the PDF too big, too small or in the wrong place. Here's how to resize and move it on an iPhone — free in iOS Markup, or in a signature app.
Read →Save a signature on your iPhone once and reuse it on any document — where iOS keeps it, how to replace it, and what Markup's single saved signature can't do.
Read →You're the landlord sending the lease. Here's how to set up a repeatable online signing process — when a routing service is worth it, when a plain email round-trip is enough, and what to keep on file.
Read →A PDF arrived in a WhatsApp chat and needs your signature. WhatsApp's viewer can't sign it — here's the share-sheet route out and back, free Markup option included.
Read →The Google Docs iPhone app can't draw a signature. Here's the honest fix — export to PDF and sign it free with Markup, or drop in a transparent PNG.
Read →A locked PDF fails two different ways — it won't open, or it opens but won't let you sign. Here's how to tell which one you have, and how to fix each.
Read →The Gmail app has no Markup pencil, so the usual advice doesn't work. Here's the free route that does — save to Files, sign, and reply with the signed copy.
Read →Someone emailed you a PDF to sign. Here's the fastest way to sign it on your iPhone and reply with the signed copy — free Markup option and the app route, honestly compared.
Read →The Apple Pencil is the closest thing to a real pen a signature has ever had. Here's how to sign a PDF with it on iPad — the free built-in way first, then when an app is worth it.
Read →Skip the print–sign–scan routine. How to sign any PDF digitally — on your phone or computer — and send it back in minutes, plus when a digital signature is (and isn’t) enough.
Read →The field trip is Friday and there's no printer. Here's how to sign a school permission slip on your phone — paper slips, emailed PDFs and portal forms, free options first.
Read →You already have a photo of the document in your camera roll. Here's how to sign it on your iPhone — free with Markup, and how to get a PDF back, not a JPEG.
Read →You have a scan or a photo of a paper document that needs signing. Here's how to sign it on your iPhone — the free built-in route, and the faster one — without a printer.
Read →Two honest ways to sign a .docx on your iPhone — insert a signature image right in Word (free), or convert to PDF and sign it cleanly. When to use each.
Read →A landlord emailed you a lease to sign and send back. Here's how to sign it on your phone and reply with the signed copy the right way — free Markup route and the app route, plus what to keep for your records.
Read →A contract wants your signature on more than one page. Here's how to add it to every page on an iPhone — the free Markup route, plus the bug to check for.
Read →You don't need Adobe Acrobat (or an account) to sign a PDF on an iPhone. Here's the free built-in way with iOS Markup, plus a faster route for people who sign often.
Read →No printer and no scanner? You can still sign any document on your iPhone — whether it arrived as a PDF or on paper. Free built-in options and the app route, honestly compared.
Read →What actually makes a handwritten signature hard to forge — the design choices that resist copying, the honest limits of any signature, and free tools to draft yours.
Read →A practical way to come up with signature ideas for your own name — approaches by name length, initials, and style, plus free tools to see and try each one.
Read →Short name and worried your signature looks too plain? Practical signature ideas for 3–5 letter names — flourishes, ligatures and underlines that add character, plus free tools to try each.
Read →Three ways to get a signature as a transparent PNG — generate one free, scan a paper signature and remove the background, or clean up an existing image. No watermark.
Read →You already sign your name a certain way. Here's how to photograph that signature and turn it into a clean, reusable digital one — the free routes, and where each stops.
Read →Two signatures, one document, no printer. How to do it on an iPhone — same room or by email — plus the mistake that leaves you with two half-signed files.
Read →The iPhone's built-in signature tool only lets you draw. Here are the real ways to type your signature instead — the free routes, and where each one stops.
Read →Handwrite directly on a PDF using the free Markup tool on your iPhone — pen, marker and pencil, drawn with a fingertip. Plus the one thing finger-writing is bad at.
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