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Increase PDF Size Online

Or Drop a File

*Max File Size - 5mb | Max Files - 10

Increase PDF Size In KBs


✅ No Information Change

You can increase the size of any PDF file using our tool without changing any file information.

🚀 Fast & efficient

Experience speed and efficiency with our completely free tool, unmatched by any other in the current market

🫣 Privacy Matters

Our servers are highly secure and no one else can access your files except you. We also delete all the uploaded files every 12 hours.

⚙️ Custom Options

Our servers ensure top-notch security, guaranteeing exclusive access to your files. Uploaded files are automatically deleted every 12 hours, ensuring your privacy and peace of mind.

How to Use





Click on the “Upload PDF File” button or drag & drop the PDF(s) for which you want to increase the size.


Use the slider or input box to enter the new PDF Size in KBs, PDF size can be increased by a maximum of 300%.


Click on the “Increase PDF Size” button after providing the new increased size, this will lead you to a screen where you can download the new PDF.

Video Tutorial

about this tool

Hadbomb's PDF Size Increaser is a tool that you can use to increase the size of your PDF in kilobytes (100KB, 200KB, 300KB, 500KB, and 1MB) without changing any inside information.
This tool comes in handy whenever you encounter a website that requires a minimum file size for the images you upload.
This tool allows you to upload as many as 10 images at once. Note that each file must be less than 5 MB in size.

Note: The resolutions, dimensions or any information of your PDF files WILL NOT CHANGE after processing.


Q. Whether my data is safe of not? Is it stored on the server?

We at Hadbomb take user privacy very seriously, hence, no data is stored on our servers for longer than 12 hours. The personal files you upload on our server get renamed with a 32-letter randomized string, which leaves no way to track the file. Rest assured, your data is safe with us.

Q. How many PDFs can I upload at once and what is the maximum allowed size for each?

10 PDFs can be uploaded at once, each having a maximum size of 5MBs.

Q. Can I download the processed PDF files all at once in a zip format?

Yes, When you process mulitple PDFs, you will be given an option to download then collectively as a ZIP file.

Q. Do my PDF file dimensions also increase when I increase the size with hadbomb?

No, the quality and dimensions of the PDFs you upload remain the same.

Q. Is hadbomb's PDF size increase tool free to use?

Yes, our PDF size increasor operates with no cost to the user.

Q. Can I increase the size of PDFs by percentage?

Yes, you can increase the size of the PDFs by percentage.

Q. Can I increase the size of PDFs by specified kilobytes?

Yes, you can increase the size of the PDFs in KBs as well.

what users say

This online PDF size increaser is a lifesaver! It's intuitive, efficient, and has saved me so much time. Highly recommend!

John Smith

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I never knew increasing PDF file sizes could be this easy! This tool is straightforward and effective. Definitely my go-to solution now.

Emma Johnson

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Kudos to the developers of this PDF size increaser! It's simple yet powerful, and it consistently delivers excellent results.

Alex Williams

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This tool has simplified the process of enlarging PDF files for me. It's so easy to use, even for someone with limited technical skills.

Sarah Brown

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I've tried several online tools for increasing PDF sizes, but none have been as reliable and user-friendly as this one. It's a game-changer!

Michael Clark

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I was skeptical at first, but after using this tool, I'm a believer! It's helped me upscale my PDF files effortlessly, and I couldn't be happier with the results.

Emily Miller

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I love how seamless and efficient this tool is! It's made expanding PDF sizes a breeze, saving me tons of time and frustration.

David Wilson

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As a professional dealing with large PDF documents, I needed a tool that could expand file sizes without hassle. This one exceeded my expectations!

Lisa Taylor

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I was struggling to find a reliable tool to increase the size of my PDF files until I stumbled upon this gem! It's user-friendly and gets the job done quickly.

Kevin Jones

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If you need to bulk up your PDF files without compromising quality, look no further. This tool is the perfect solution!