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 →You're the second signer. Here's how to add your signature to an already-signed PDF on an iPhone without disturbing the first one — and the one type of file where you must not try.
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 →A PDF that opens sideways has to be rotated in the file, not just on screen. Here's the free way to fix it on iPhone before you sign and send it back.
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 →On a plane, in a dead spot, or with data off? Signing a PDF on iPhone needs no connection. The free built-in route, the app route, and what breaks offline.
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 →You can sign a PDF on iPhone without a subscription. The free route that is already installed, what the free web tools really cost, and how to spot a paywall.
Read →Drive's "Fill out form" button can't add a signature, and a view-only file won't accept one. Here's the free route that works, and how to hand it back.
Read →Nothing to tap where the signature goes? A PDF does not need a signature field to be signed. Here is how to place one anywhere on the page, free route first.
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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