PDFs are everywhere. School assignments, work documents, forms, ebooks - you can't escape them. The problem? Most people don't have Adobe Acrobat Pro (and who wants to pay $15 a month for that anyway?).

I've spent way too much time trying different free PDF tools, and I've found some that actually work well. Here are the 5 best ones, and I'll show you how to use each one. No credit card required.

What Can These Tools Actually Do?

Before we dive in, here's what you can do with free PDF tools:

• Edit PDFs - Add text, images, whatever you need
• Merge files - Combine multiple PDFs into one
• Compress them - Make huge files smaller so you can actually email them
• Convert formats - Turn PDFs into Word docs, Excel sheets, whatever
• Sign documents - No printing and scanning needed
• Extract pages - Pull out just the pages you need

All of this without spending a penny. Let's get into it.

1. PDF24 Creator - The Desktop Powerhouse

This is my go-to when I need to do serious PDF work. It's a desktop app (Windows, Mac, Linux) that's completely free with no catches. No watermarks, no file size limits, no "upgrade to pro" popups. It just works.

You can merge PDFs, split them, convert to other formats, compress files, add watermarks, password protect them - basically everything. The interface isn't the prettiest, but it's functional and it's free.

How to use it: Go to pdf24.org, download it, install it. When you open it, you'll see all the tools. To merge PDFs, click "Merge PDF," drag your files in, arrange them how you want, hit merge. Done.

For compression, same deal - select "Compress PDF," pick your file, choose how much you want to compress it, and download. I've compressed 50MB files down to 5MB without losing much quality.

They also have an online version at tools.pdf24.org if you don't want to install anything, but it has file size limits. The desktop version is better if you're working with big files.

2. SmallPDF - Quick Online Fixes

SmallPDF is perfect when you need to do something quick and don't want to install software. Just go to smallpdf.com, pick your tool, upload your file, and you're done. No account needed for basic stuff.

It does all the usual things - merge, split, compress, convert. The interface is clean and easy to use. The free version lets you do 2 tasks per hour, which is usually enough unless you're processing a ton of files.

Converting PDF to Word: Click "PDF to Word," drag your file in, wait like 20 seconds, download. The conversion is usually pretty good - formatting might shift a bit, but it's editable.

Editing: Select "Edit PDF," upload it, and you get a simple editor. You can add text, images, shapes. It's not as powerful as Adobe, but for quick edits it's fine. When you're done, just download.

The only downside is the 2-per-hour limit on free accounts. If you need to do more, you either wait or pay. But for occasional use, it's great.

3. Adobe Acrobat Reader - The Standard

Everyone knows Adobe Reader. It's the default PDF viewer, and honestly, it's still the best for just viewing and basic stuff. The free version can fill out forms, add comments, highlight text, and sign documents. It's not fancy, but it works.

Getting it: Go to get.adobe.com/reader, download it. Watch out during installation - they'll try to install McAfee or other junk. Uncheck everything you don't want.

Filling forms: Just open the PDF and click in the fields. Type your info, save it. Easy.

Signing: Open your PDF, click "Fill & Sign" on the right side. Click "Sign" and you can type your name, draw a signature, or upload an image of your signature. Drag it where you want it, save. Done.

It's not going to merge or convert files (that's the paid version), but for viewing, commenting, and signing, it's solid. And it's on every platform, which is nice.

4. ILovePDF - When You Need to Process Multiple Files

ILovePDF is similar to SmallPDF but with a few differences. The interface is clean, it's easy to use, and it handles batch processing well. If you need to compress or convert multiple PDFs at once, this is your tool.

Using it: Go to ilovepdf.com, pick your tool from the homepage. To merge PDFs, click "Merge PDF," upload all your files (you can add more if you forgot some), drag them around to reorder, hit merge, download. Simple.

For compression, same deal - upload, pick your compression level, download. You can do multiple files at once, which is handy.

The free version has daily limits on how many tasks you can do, but it's usually enough. If you're processing hundreds of files, you might hit the limit, but for normal use it's fine.

It also lets you add page numbers and watermarks, which is useful if you're preparing documents for distribution.

5. PDFsam - For When You Need More Control

PDFsam is open-source and free, which is cool. It's a desktop app (Windows, Mac, Linux) that's more powerful than the others, but also a bit more complex. If you need to split PDFs in specific ways or do advanced merging, this is the tool.

Getting it: Go to pdfsam.org, download the Basic version (it's free). There's a paid version with more features, but Basic does most of what you need.

Splitting PDFs: Open PDFsam, select "Split," add your PDF. You can split by page numbers, by bookmarks, by size - lots of options. Pick your method, set where you want the output to go, hit Run. It'll split it up for you.

Extracting pages: Use the "Extract" tool, upload your PDF, tell it which pages you want (like "1-5, 10, 15-20"), run it. It'll pull out just those pages into a new PDF.

The interface isn't as polished as the others, but it's powerful. If you need to do something specific that the simpler tools can't handle, PDFsam can probably do it.

Quick Comparison Table

Which One Should You Use?

Here's my take:

• Quick online stuff: SmallPDF or ILovePDF - just go to the website and do it
• Desktop power user: PDF24 Creator or PDFsam - more features, no file size limits
• Just viewing/signing: Adobe Reader - it's the standard for a reason
• Processing lots of files: ILovePDF handles batches well
• Privacy matters: Use desktop tools (PDF24, PDFsam) - your files never leave your computer

One thing to keep in mind: if you're working with sensitive documents, use desktop tools. Online tools upload your files to their servers, which might be fine for most things, but if it's confidential, stick with PDF24 Creator or PDFsam. They process everything locally.