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The Docsigns blog

Guides, tips and answers on signing documents online — from e-signature basics to getting the most out of Docsigns.

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How to Sign a Letter of Recommendation (Online or by Hand)

Where the signature goes on a recommendation letter, how to sign it electronically without printing, and when a programme still needs wet ink.

Latest blogs

What Is a Wet Signature? When You Still Need Pen and Ink

A wet signature is ink on paper. Here is how it differs from an e-signature, which documents still need one, and how to check first.

How to Sign a PDF in Firefox (Built-In Tool or Free Signer)

Sign a PDF in Firefox with its built-in signature tool, or use a free signer when the button is missing or you need a date or Word file.

How to Sign a PDF in Chrome (Built-In Draw Tool or Free Signer)

Sign a PDF without leaving Chrome: use the PDF viewer's Draw tool for a quick freehand mark, or a free browser signer for a typed, dated signature.

How to Draw a Signature With a Mouse or Trackpad (Neatly)

Practical tricks to draw a smooth signature with a mouse or laptop trackpad, the settings worth changing, and what to do when drawing just won't work.

How to Sign a PDF in Microsoft Edge (Free, 2 Ways)

Sign a PDF in Microsoft Edge with the built-in Draw tool, or get a typed, uploaded or movable signature for free. Step-by-step for Windows and Mac.

How to Sign a PDF in Google Drive (Free, No Add-On)

Download the PDF from Drive, sign it in your browser, and upload the signed copy back as a new version. Desktop and phone steps, no add-on needed.

How to Sign a Letter of Intent Online (Free, No Printing)

Sign a letter of intent online in minutes: add your signature and date, download the PDF, and know which LOI clauses can bind you first.

How to Sign a PDF Sent on WhatsApp and Send It Back

Got a PDF to sign in a WhatsApp chat? Save it, sign it in your phone's browser, and send it back as a Document. Android, iPhone and desktop steps.

How to Sign a W-9 Electronically (Fill, Sign, Send Safely)

Fill in a W-9, sign and date Part II online, and send it back without printing. What the signature certifies and how to protect your SSN.

How to Sign a Contract Addendum or Amendment Online (Free)

Sign a contract addendum or amendment online in minutes: what to check first, how to sign and date it, collecting several signatures, and what to keep.

How to Sign an Employment Contract Electronically (Free)

What to check in your employment contract before you sign, then how to sign it electronically for free and send it back to HR.

How to Sign a Waiver Online (Free, No Printing Needed)

Got a liability waiver as a PDF or Word file? Sign it online in minutes without printing, sign for your child, and know what to check first.

How to Sign a Purchase Order Electronically, Step by Step

Sign a purchase order online in a minute: add your signature and date, download the PDF, send it back. Plus what to check on a PO before you sign.

How to Sign on Behalf of Someone Else (p.p. and More)

Sign a letter, form or contract for someone else the right way: your own signature, clear wording like p.p., written permission, and when you need a power of attorney.

How to Sign a Freelance Contract Online (and What to Check)

Sign a freelance contract online in minutes, handle two signatures without a printer, and check scope, payment and IP clauses before you sign.

How to Sign a Rental Application Online (Free, No Printing)

Fill it in, sign and date it, and send the signed PDF back from your phone or laptop. Plus co-applicants, guarantors and what to check first.

How to Sign a Cover Letter (Handwritten or Digital, Free)

The right closing, where the signature goes, and how to add a handwritten signature to a cover letter PDF or Word file for free, without printing.

How to Sign a Quote or Estimate to Accept It (Free, Online)

Accept a contractor's quote by signing it online: what to check first, how to add your signature and date, and what to send back and keep.

How to Sign a Timesheet Electronically (Free, No Printing)

Fill in your hours, save as PDF, add your signature and date, send it back. A weekly timesheet routine that never needs a printer.

How to Sign a Bill of Sale Online (and When It Needs a Notary)

Sign a bill of sale online in minutes, get both buyer and seller signatures, and check first whether your sale needs a notary or ink signature.

How to Sign a PDF Signature Field (With or Without a Digital ID)

PDF signature field asking for a Digital ID? Learn when a visible signature is enough, how to place one over the box, and when you truly need a certificate.

How to Sign a Resignation Letter Online (and Send It)

Resigning by email? Here's whether your letter needs a signature, how to sign it online in a few minutes, and what to send with it.

How to Sign a PDF in Blue Ink (and Why Forms Ask for It)

A form says sign in blue ink? Here is why that rule exists, whether it applies to e-signatures, and how to sign a PDF in blue without printing.

How to Add Two Signatures to One PDF Without Printing

Two people need to sign the same agreement. Here is how to get both signatures onto one PDF for free, in the right order, without printing or scanning anything.

How to Sign a Scanned Document Online (Free, No Printing)

A scan is already digital, so there is no need to print it. Here is how to add a signature and date to a scanned PDF for free, and what to fix before you sign.

How to Sign a PDF on Linux for Free (Ubuntu, Fedora, Mint)

Sign a PDF on any Linux distro from the browser in a minute, plus the desktop alternatives (Xournal++, LibreOffice Draw, Okular) and when you need a certificate.

How to Sign an Invoice Electronically (Free, No Printing)

Sign an invoice electronically for free: add your signature and date to a PDF or Word invoice, who should sign it, and what a signed invoice must include.

How to Sign a Permission Slip or Consent Form Online (Free)

Sign a school permission slip or consent form on your phone or computer without printing: fill it, sign it, date it and send it back in minutes.

How to Sign an Offer Letter Electronically (Free, No Printer)

Got a job offer as a PDF or Word file? Check it, sign and date it online, and send it back the same day, without printing or creating an account.

How to Initial Every Page of a PDF Online (Free)

Create your initials once, place them on each page, then sign the last one. A free, no-account method for leases and contracts that ask you to initial every page.

How to Sign a PDF on iPad for Free (No Apple Pencil Needed)

Two free ways to sign a PDF on an iPad with your finger: Docsigns in Safari (draw, type or upload, add a date) or the built-in Markup tool. No app, no account.

How to Sign an NDA Online (Free, No Account Needed)

Sign a non-disclosure agreement in about two minutes without printing. Plus the five clauses worth reading first and what to do once you send it back.

How to Add a Signature to a Google Doc (3 Ways)

Three ways to sign a Google Doc: the built-in Drawing tool, a signature image, or downloading it as a PDF and signing that — and when each one is right.

How to Sign a PDF on Windows 11 for Free (No Adobe)

Windows has no real PDF signing tool. Here is the fastest free way to sign a PDF on Windows 10 or 11 in your browser, plus what Edge's Draw tool can't do.

Draw, Type or Upload: Which Signature Should You Use?

Drawing, typing and uploading a signature are equally valid — but each fails in its own way. How to pick the right one for your device and document.

How to Sign a PDF on a Mac Without Adobe (Free)

Two free ways to sign a PDF on a Mac without Acrobat: Preview, already installed, or a browser signer that also handles Word files.

How to Sign a PDF on a Chromebook (Free, No Apps)

Chromebooks have no Acrobat and no desktop Word. Here is how to sign a PDF or Word document on Chrome OS in your browser, free and without extensions.

How to Sign a Document Sent by Email and Send It Back

Someone emailed you a contract to sign. Here is the fastest way to sign the attachment and reply with it — no printer, no scanner, no account, no app to install.

How to Sign a Lease Agreement Online: A Tenant's Guide

Sign a tenancy agreement from your phone or laptop in about five minutes. The steps, the fields tenants forget, what to read before signing, and what to do next.

How to Sign a PDF Online Without Printing It

Printing, signing and scanning a PDF wastes time and gives you a worse file. Here is how to sign the document itself in your browser — and what actually matters once it is signed.

How to Sign a PDF Online for Free

Learn how to sign a PDF online for free in about a minute: upload the file, draw or type your signature, place it, and download. No signup, no watermark.

How to Create a Digital Signature for Documents

Create a digital signature for your documents in under a minute: draw it, type it in a handwriting font, or upload an image — then save and reuse it free.

Electronic Signature vs Digital Signature: Key Differences

Electronic signature vs digital signature: one shows intent to sign, the other is cryptographic proof. See the key differences, laws, and which one you need.

How to Add a Signature to a PDF Without Adobe Acrobat

You can add a signature to a PDF without Adobe Acrobat: a free browser tool lets you draw, type, or upload a signature in about a minute — no install, no fees.

How to Sign Documents Online Securely

Learn how to sign documents online securely: local in-browser signing vs uploads, HTTPS, privacy checks, and a practical checklist before trusting any tool.

Best Free PDF Signature Tools in 2026

An honest comparison of the best free PDF signature tools in 2026: what is truly free, which add watermarks or signups, and how each handles your privacy.

How to Add a Date and Signature to PDF Documents

Add a date and signature to PDF documents in minutes: step-by-step instructions, a date-format table, precise placement tips, and why the date really matters.

How to Sign Documents on Mobile Devices

Sign documents on mobile in minutes: the browser flow for any phone, finger-drawing tips, typed signatures for small screens, plus iOS app and Android options.

How to Sign a Contract Electronically

Learn how to sign a contract electronically: a pre-signing review checklist, the sign-and-return workflow, placement conventions, and safe storage tips.

Are Electronic Signatures Legally Binding?

Are electronic signatures legally binding? In most countries, yes — with conditions. ESIGN, UETA, and eIDAS explained, plus exceptions and defensibility tips.

How to Upload and Use a Signature Image in PDFs

Upload a signature image and place it in any PDF: capture a clean signature, prep the photo, choose PNG vs JPG, then resize, position, and reuse it for free.

How to Sign Word Documents Online

Sign Word documents online without Microsoft Word: upload DOC or DOCX, it converts to PDF, you sign in the browser and download. Steps and formatting tips.

How to Sign PowerPoint Presentations Before Sharing

Learn how to sign PowerPoint presentations the right way: export your deck to PDF, add your signature free with Docsigns, and share a file nobody can reshuffle.

How to Protect Signed PDF Documents from Editing

Practical ways to protect signed PDF from editing: flattening, password restrictions, certificate signatures, hashes and PDF/A — what each really guarantees.

The Complete Guide to Electronic Document Signing

Everything about electronic document signing: how it works, signature methods, formats, legality, security, mobile signing and a free step-by-step workflow.

How to Sign PDF Files on iPhone

Three honest ways to sign PDF on iPhone: the Docsigns iOS app, Safari with no install, or Apple's built-in Markup — with steps and a comparison of each route.

How to Sign PDF Files on Android

Learn how to sign PDF on Android in under two minutes using your mobile browser. Free steps, finger-drawing tips, and honest looks at Drive and Adobe options.

How to Sign Documents Without Printing

Sign documents without printing anything: the full paperless flow, a time and cost comparison vs the print-sign-scan ritual, and when wet ink is still needed.

Best Alternatives to Adobe Sign

An honest buyer's guide to Adobe Sign alternatives: DocuSign, Dropbox Sign, PandaDoc, SignNow, Smallpdf and Docsigns compared by price, features, and user type.

Best Free E-Signature Software

What free e-signature software really costs: a truth-table of free tiers, document limits, and signup walls across Docsigns, DocuSign, Dropbox Sign and more.