How to Edit PDF

Find out how to fix PDFs with poor quality text using OCR and editing tools in this step-by-step troubleshooting guide.

Need to reduce print bleed in a PDF? Don’t stress! Smallpdf’s Crop PDF tool makes cleaning them up super simple. And it won't cost you a cent!

Need to add alt text in PDFs? No fancy software required. Here’s how you can do it fast and hassle-free with Smallpdf and Microsoft Word.

Adjusting line spacing in PDF files doesn’t have to be hard work. With Smallpdf and Word, you can quickly fix the formatting of your document.

Ever wondered about the difference between an editable, fillable, or interactive PDF? Let’s simplify it, so you can always choose the PDF that fits.

Looking for a simple offline PDF editor? When you're on the move or working without the internet, choosing the right tool makes all the difference.

PDFs don’t have to be boring—they can actually be pretty vibrant! We've teamed up with Flipsnack to help you create the perfect interactive PDF!

Creating a mobile-friendly PDF is simple. Follow these tips to make your PDF easy to read, fill out, and share on any phone screen.

Edit PDFs with Google Drive easily by teaming it up with Smallpdf’s powerful online tools. Here’s the simplest way to get it done, no fuss.

Easily underline text in a PDF document online with Smallpdf. Highlight key points, add emphasis, or mark notes—no downloads needed.

Strikethrough helps with editing, proofreading, marking revisions, redacting sensitive info, and more. Learn how to do it easily on any device.

Use our online PDF Annotator to highlight text in a PDF and add annotations for free. Access and use the tool online, anytime—no registration needed.

Align text in a PDF quickly with Smallpdf’s easy online tool. No downloads needed—just upload, edit, and download your perfectly aligned PDF.

You can! It’s easy and totally intuitive. Whether you need to highlight key points, leave reminders, or make remarks, all it takes is a few clicks.

Want to create bookmarks and navigation in your PDF documents? We show you how to do it for free, plus a little bit more.

Add a table of contents to PDFs to make navigation a breeze, plus learn how to create a glossary, index, and sections for a polished document.

Want to add input fields to PDFs? It’s quick and easy with tools like Smallpdf or Preview on Mac—no fancy software needed! Here’s how to do it.

Looking to add drop-downs to a PDF but don’t want to spend a fortune on fancy software? We'll show you how to do it without spending a cent.

PDFs can be tricky to edit; here's how to fix the most common issues in a few easy steps—no tech degree needed.

Do you want to look for a specific word or phrase in a PDF file? Here, you’ll find tips on searching PDFs with a PDF reader or web browser.

Learn how to create a fillable PDF from scratch or from an existing PDF. Get step-by-step guides using Word, Google Docs, Mac, and free online tools.

Use Smallpdf’s free PDF redaction tool to securely black out text in your PDF file. Hide private information professionally and easily.

When you need to write or type on a PDF online, Smallpdf has got you covered—whether you’re using a PC, laptop, or mobile device.

Offline app for converting, merging, splitting, and compressing PDFs, safely and securely, without uploading. Discover the Smallpdf Desktop App.