📝 Quick summary: Sooner or later everyone needs to join two PDF files, cut out a few pages, or shrink a file so it fits in an email. You do not have to pay for that. Below are 8 free PDF tools, some that work in your browser and some that you install. Each one is explained in plain words, with a pros and cons table, so you can pick the right one in a few minutes.
💡 Good to know: Free plans change over time. Many online tools set daily limits on file size or number of tasks. Always read the limits on the tool’s own website before you rely on it for important work.
🧭 Which Tool Is Right for Your Job?
Start here. Find your need in the first column and look at the tools in the second one.
| Your need | Tools to look at |
|---|---|
| 🔗 Join several PDFs into one | PDF24 Tools, PDFsam Basic, iLovePDF |
| ✂️ Split a PDF or take out pages | PDF24 Tools, PDFsam Basic, Sejda |
| 🗜️ Make a PDF smaller | Smallpdf, iLovePDF, Adobe Acrobat online tools |
| 🔒 Keep files on your own computer | PDFsam Basic, PDFgear, Stirling-PDF |
| 📱 Quick job on a phone or shared computer | Smallpdf, iLovePDF, Adobe Acrobat online tools |
| 🛠️ Edit text, not only pages | PDFgear, Sejda |
| 🖥️ Run your own PDF toolkit | Stirling-PDF |
1. PDF24 Tools
📌 Overview
PDF24 Tools is a large collection of PDF tools that you open in your web browser. There are separate pages for merging, splitting, compressing and more, so you can go straight to the task you need. A free desktop program is also offered if you prefer to work offline.
⭐ Main features
- Separate pages for merge, split and compress
- Many other tools in the same place, like convert and rotate
- A desktop version for offline use
⚖️ Pros and cons
| Pros ✅ | Cons ❌ |
|---|---|
| Many tools in one site | So many options can feel confusing at first |
| Works in the browser, no install needed | Uploading private files online needs care |
| Desktop version available | You should read the current limits on the site |
👤 Best for: People who want one website for almost every small PDF job.
2. PDFsam Basic
📌 Overview
PDFsam stands for “PDF Split and Merge”, and that is exactly what it does well. The Basic edition is a free, open-source program that you install on your computer. Your files stay on your device, which many people like.
⭐ Main features
- Merge many PDF files into one
- Split a file by pages or into parts
- Rotate and extract pages
- Open-source code, so anyone can inspect it
⚖️ Pros and cons
| Pros ✅ | Cons ❌ |
|---|---|
| Files stay on your computer | You have to install it |
| Focused on merge and split | Not meant for shrinking file size |
| Free and open source | Looks plain compared with web tools |
👤 Best for: Anyone who cares about privacy and mainly needs to merge or split.
3. iLovePDF
📌 Overview
iLovePDF is a popular online service with a clean layout. You pick a tool, drop in your file, and download the result. It also has apps, so you can use it on different devices.
⭐ Main features
- Merge, split and compress in a few clicks
- Simple, easy-to-read screens
- Free use with limits, and paid plans for heavy users
⚖️ Pros and cons
| Pros ✅ | Cons ❌ |
|---|---|
| Very easy for first-time users | Free use has limits |
| Covers the three main jobs | Files go to an online service |
| Works on many devices | Some extras need a paid plan |
👤 Best for: Beginners who want a fast, simple answer.
4. Smallpdf
📌 Overview
Smallpdf is another well-known online PDF toolbox. It is often chosen for the compress tool, which helps when a file is too large to send. It has a free plan and paid plans, which are described on its pricing page.
⭐ Main features
- Compress, merge and split tools
- Friendly design with clear steps
- A free plan, with paid plans for more use
⚖️ Pros and cons
| Pros ✅ | Cons ❌ |
|---|---|
| Easy to learn in a minute | Free plan has usage limits |
| Good for reducing file size | Online upload is needed |
| Clear and tidy design | Heavy users may be asked to upgrade |
👤 Best for: People who need to shrink a file before emailing it.
5. Sejda
📌 Overview
Sejda offers PDF tools online and also a desktop version. Besides merging and splitting, it is known for letting you edit text inside a PDF, which many free tools do not offer. Like most online services, the free use has limits.
⭐ Main features
- Online tools and a desktop program
- Merge, split and compress
- Edit text and fill forms
⚖️ Pros and cons
| Pros ✅ | Cons ❌ |
|---|---|
| Both online and offline options | Free limits can stop big jobs |
| Handy text editing | More tools can mean more clicking |
| Does the basic jobs well | Some features need a paid plan |
👤 Best for: Anyone who needs small edits as well as merge and split.
6. Adobe Acrobat online tools
📌 Overview
Adobe, the company that created the PDF format, offers free online tools for common jobs such as compress, merge and convert. It also has a help page that explains how its free online services work. A paid Acrobat plan is available for full features.
⭐ Main features
- Free online compress, merge and convert tools
- Made by the maker of the PDF format
- Upgrade path to a full PDF editor
⚖️ Pros and cons
| Pros ✅ | Cons ❌ |
|---|---|
| Trusted, well-known company | Free use is limited |
| Results are usually reliable | May ask you to sign in |
| Easy to follow | Full features cost money |
👤 Best for: People who prefer an established brand for work documents.
7. PDFgear
📌 Overview
PDFgear is a free PDF editor and reader that you install. Reviewers, including TechRadar and Neowin, have described it as free without needing a sign-up or adding watermarks. It handles editing, converting and page tasks in one program.
⭐ Main features
- View, edit and convert PDFs
- Page tools such as merge and split
- Apps for several devices
⚖️ Pros and cons
| Pros ✅ | Cons ❌ |
|---|---|
| Free with many features | You need to install it |
| Files can stay on your device | Features may change in new versions |
| Reader and editor in one | Newer tool, so check reviews first |
👤 Best for: Anyone who wants an all-in-one PDF program and not a web tool.
8. Stirling-PDF
📌 Overview
Stirling-PDF is an open-source PDF toolkit that you run on your own computer or server. It offers dozens of tools, and since you host it yourself, your files do not go to a third-party website. It is the most technical option in this list.
⭐ Main features
- Open source and self-hosted
- Dozens of PDF tools in one web page
- Your files stay in your own setup
⚖️ Pros and cons
| Pros ✅ | Cons ❌ |
|---|---|
| Strong privacy control | Setup needs some technical skill |
| Very many tools | Not ideal for complete beginners |
| Open source | You are in charge of updates |
👤 Best for: Tech-friendly users, small teams and anyone who wants full control.
📊 Side-by-Side Comparison
| Tool | Type | Merge | Split | Compress | Works offline? |
|---|---|---|---|---|---|
| PDF24 Tools | Online + desktop | ✅ | ✅ | ✅ | With desktop app |
| PDFsam Basic | Desktop | ✅ | ✅ | ❌ | ✅ |
| iLovePDF | Online + apps | ✅ | ✅ | ✅ | Mostly no |
| Smallpdf | Online + apps | ✅ | ✅ | ✅ | Mostly no |
| Sejda | Online + desktop | ✅ | ✅ | ✅ | With desktop app |
| Adobe online tools | Online | ✅ | ✅ | ✅ | No |
| PDFgear | Desktop + apps | ✅ | ✅ | Check in app | ✅ |
| Stirling-PDF | Self-hosted | ✅ | ✅ | ✅ | ✅ (your own server) |
⚠️ Features and limits can change. Treat this table as a guide and confirm on each official site.
🧠 How to Choose the Right Tool
| Ask yourself | If yes | If no |
|---|---|---|
| Is my file private or confidential? | Pick an offline or self-hosted tool | An online tool is fine |
| Do I do this job often? | Install a desktop program | A browser tool is enough |
| Do I need to edit the text? | Look at Sejda or PDFgear | Any merge and split tool works |
| Is my file very big? | Check size limits first | Free limits may not matter |
| Am I a beginner? | Try iLovePDF or Smallpdf | Try PDFsam Basic or Stirling-PDF |
🔒 Staying Safe With Online PDF Tools
- 🚫 Do not upload files with passwords, bank details or ID numbers to a web tool.
- 🔍 Read how long the site keeps your uploaded files.
- 🧪 Test with a harmless sample file first.
- 💾 Keep the original file. Save the new one under a new name.
- 🌐 Only use the official website, not copies with similar names.
Need to send large files after you shrink them? See our list of free file transfer tools. And keep your originals safe with these free data backup solutions.
✅ Quick Tips for Better PDF Results
| Tip | Why it helps |
|---|---|
| Rename files in the order you want before merging | Keeps the pages in the right order |
| Check the merged file page by page | Catches missing or upside-down pages |
| Compress only when you need to | Strong compression can make images blurry |
| Write the page range clearly when splitting | Avoids cutting in the wrong place |
| Keep a backup copy | You can start again if something goes wrong |
❓ FAQ
Are free PDF tools safe to use?
Many are, but it depends on the tool and on what you upload. For private files, choose an offline tool or one you host yourself.
Why is my compressed PDF still big?
Files full of high-quality photos stay large. Try a stronger compression setting, but check the result, because it may reduce image quality.
Can I merge PDFs on my phone?
Yes. Several online tools work in a mobile browser, and some have apps. Check the official site of the tool you choose.
Do free tools add a watermark?
Some do in their free versions, and some do not. Test a sample file first and read the tool’s plan details.
Which tool is best for a complete beginner?
A simple browser tool such as iLovePDF or Smallpdf is the easiest way to start. Move to an offline tool when you handle private files.
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