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Here are some of our most popular free PDF tools online, designed to make your life easier.

Most Popular PDF Tools

SpacePDF: Your Ultimate Online PDF Toolkit

SpacePDF offers the best free PDF tools online to handle your documents. It’s the fast, secure, and easy way to organize and convert your files.

We make PDF simple & secure.

All the tools you need to work smarter with your PDFs — free, fast, and secure.

Editing a document using the free PDF tools online from SpacePDF.

Edit PDFs Right in Your Browser

Add text, highlight, draw, or insert images — directly on your PDF file. All changes happen instantly, and your file never leaves your device.

3D icon of a yellow pencil editing a PDF document, representing the PDF editing feature on Space PDF.

eSignature Tools for Your PDF

Instantly create and manage your eSignatures. Securely sign contracts, agreements, and forms directly in your browser. All the tools you need to make your documents legally binding, made simple.

Signing a document with SpacePDF's free online PDF signature tool.

All Your PDF Tools in One Place

Want to convert your PDF to Word? Do it in a click. Need to rearrange or delete pages? Organize them your way. Have a contract to eSign securely? We’ve got you covered.

Interface for converting files between formats like PDF and JPG

All Your Files, All in One Place

Stop searching for files everywhere. Keep, edit, and share all your documents from one simple screen. It’s the easy way to stay organized.

Managing files with SpacePDF, the all-in-one free PDF tools online.

Why Choose SpacePDF?

A Swiss Army knife icon symbolizing that Space PDF is a versatile, all-in-one toolkit with every PDF tool a user might need.

Try Free PDF Tools Online

All-in-one online PDF tools for compressing, editing, signing, and more.

A security shield icon, ensuring users that all files uploaded to Space PDF are handled securely with encryption and privacy.

Your Files are Private

Your privacy is our number one rule. We never save or store your files on our servers. Your documents stay with you.

Icon of a cloud and a browser window, symbolizing that Space PDF is a fully online tool accessible from any device.

Works Online, Everywhere

Access tools from any browser, anywhere. No downloads needed, just instant online access.

A rocket icon inside a speedometer to symbolize the fast processing speed of Space PDF's online conversion and editing tools.

Super Fast Tools

Get your work done in seconds. Our tools are built for speed, so you don't have to wait.

A gift box icon with a PDF logo, clearly stating that all tools on the Space PDF website are 100% free to use.

100% Free, Always

All our PDF tools are completely free. No payments, no surprises. Just free.

An icon of a document with a gear and a pen, representing the powerful and easy-to-use PDF editing and management tools.

Powerful PDF Tools

Easily edit text, add images, or organize pages. You have full control over your documents.

Get Started with Space PDF for Free

Get instant and unlimited access to all our PDF tools. Convert, compress, edit, and more—absolutely free, forever.

Explore All Free Tools

FAQs

FAQs About Our Free PDF Tools Online

General Questions About Our Free PDF Tools

Is Space PDF really free to use?

Yes, absolutely. All our tools, from editing to merging, are 100% free. There are no hidden costs, no subscription fees, and no need to create an account.

Do I need to install any software?

No. Space PDF is a fully online tool. You don’t need to download or install anything on your computer. Just open our website in any modern browser like Chrome, Firefox, or Safari and start working.

Can I use these tools on my mobile phone or tablet?

Yes. Our website and all our tools are designed to be fully responsive, so you can easily edit, merge, or sign PDFs on most modern smartphones and tablets without any issues.

Do I need to sign up to use the tools?

No, you don’t need to create an account. You can start using our tools right away. We believe in making things quick and easy for you.

Security & Privacy

Is it safe to use? What happens to my files?

Your privacy is our number one rule. Because of this, your files are never uploaded to our servers. All processing happens directly in your web browser, which means your documents stay on your computer and are never seen by us.

How long are my files kept?

They aren’t kept at all! Since we never upload your files, we never have them in the first place. When you close the webpage, your session is gone, and so is any temporary data from your work.

Tool-Specific Questions

What can I do with all these tools?

SpacePDF allows you to perform all the most common PDF tasks. For example, you can edit text, merge multiple PDFs, remove or reorder pages, and rotate them. In addition, our free PDF tools online let you e-sign documents, add page numbers, and even crop your PDFs.

What is the "PDF Corruptor" tool for?

The PDF Corruptor is a unique “lifesaver” tool. It’s designed for students or professionals who need to submit a file to meet a deadline but require more time to finish their work. It creates a file that looks like a valid PDF but won’t open, giving you a valid reason to ask for an extension.

What file types can I convert?

Our converter tools are designed to work with common image formats. You can easily convert files like JPG, PNG, and WEBP into a PDF. You can also convert a PDF back into images.

Are the digital signatures legally binding?

Digital signatures created with tools like ours are widely accepted and legally recognized in many countries, including the United States (under the ESIGN Act). However, for very important or specific legal contracts, it’s always a good idea to check your local laws or consult with a legal professional.

Technical & Troubleshooting

Are there any limits on file size or usage?

Since all processing is done in your browser for security, very large or complex files (e.g., over 50MB or with hundreds of pages) might be slow or cause your browser to crash. For most everyday PDF tasks, our tools work perfectly. There are no limits on how many times you can use our tools.

Which web browser should I use?

For the best experience, we recommend using the latest version of modern browsers like Google Chrome, Mozilla Firefox, Microsoft Edge, or Safari.

My file is not working. What should I do?

First, please make sure your file is not password-protected, as we cannot process encrypted files for security reasons. Also, check if the file is corrupted. If it’s a very large file, it might take longer to process. If you still have trouble, try refreshing the page and starting over.

I have a question that isn't listed here. How can I get help?

We’re always here to help! If you have any other questions, suggestions for new tools, or if you’ve found a bug, please don’t hesitate to email us directly at support@spacepdf.com. We read every message and will do our best to get back to you as soon as possible.