Last updated on
Dec 29, 2025
Make PDF Smaller Than 512 kb For Free
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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
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Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free
Create & edit PDFs
Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.
Fill out & sign PDF forms
Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.
Organize & convert PDFs
Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.
Collect data and approvals
Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.
Export documents with ease
Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.
Store documents safely
Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.
Customer trust by the numbers
64M+
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average user rating
4M
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Why choose our PDF solution?
Cloud-native PDF editor
Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.
Top-rated for ease of use
Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.
Industry-leading customer service
Enjoy peace of mind with an award-winning customer support team always within reach.
What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
I am new at this point. so far all is working fine. On the few I've used the program with it has been smooth and the people signing have liked the ease of use
2015-10-24
Would be amazing if it had a free option for students. Could also benefit from offering different single line - shapes such as circles and squares etc
2018-10-04
I was filling out a stubby pencil application, and thought there has to be a better way. Now I'm happily dragging and dropping scanned files into PDF filler and like magic I have an automated workable document, it's fantastic.
2019-03-20
What do you like best?
How simple it is to use. I can sign on anywhere and make edits to pdf's. I can also convert documents. I've been using pdf filler for almost 3 years now and absolutely love it! Just renewed my subscription for year 4!
What do you dislike?
No complaints. Even on the rare occasion where the system crashes, the pdf filler team sends you an email to let you know they're working on correcting the problem. It's usually fixed within minutes.
Recommendations to others considering the product:
Don't think about it twice, use it!
What problems are you solving with the product? What benefits have you realized?
Last minute edits. Also love the signature feature that includes the dates. That comes in very handy in my field, which is real estate.
How simple it is to use. I can sign on anywhere and make edits to pdf's. I can also convert documents. I've been using pdf filler for almost 3 years now and absolutely love it! Just renewed my subscription for year 4!
What do you dislike?
No complaints. Even on the rare occasion where the system crashes, the pdf filler team sends you an email to let you know they're working on correcting the problem. It's usually fixed within minutes.
Recommendations to others considering the product:
Don't think about it twice, use it!
What problems are you solving with the product? What benefits have you realized?
Last minute edits. Also love the signature feature that includes the dates. That comes in very handy in my field, which is real estate.
2019-05-21
PDF editor PDF filler
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I love this product, it is readily available on the internet can work a handful of pages to correction without downloading this software.
Cant think of many cons it works best for me to do my general corrections, might not have detailed features for a professional editor, but definitely works for me.
2018-10-16
pdfFiller for document sign
I like the robust feature that pdfFiller provides, fairly simple to use
Limited functionality, rarely see updates to match other features Adobe has
2022-06-08
I use this to do my tenant leases
Overall, I have to have access to a software program like this. Some landlords issue leases on ancient old pdfs that are hard to work with. This program allows me to alter, merge, and arrange these in a fairly intuitive way. It took a minute for me to be comfortable with the document storage setup that pdffiller uses, but I am happy with it bc I can access these documents from anywhere!
I love the way you can just insert a text box, or erase. Wow its so nice to be able to do this with documents.
I find merging to be hard. I had to get help early one Sunday morning from support. The support was there and ready to instruct me. It just wasn't intuitive. I might even have to ask how to do it again.
2020-12-07
It's kind of quirky, because I[m not familiar with pdfFiller and it just pops up all of a sudden out of nowhere, so I don't know where to begin.
2025-03-25
Excellent tool for managing and editing PDFs
This is a very convenient place to manage pdf documents. The lay out is simple and organized. I love that I can create templates and use those over and over as needed. Very handy tool.
2025-02-13
Make PDF Smaller Than 512 KB
Struggling with large PDF files? Our 'Make PDF Smaller Than 512 KB' feature offers a streamlined solution for managing your documents. This tool helps you optimize your PDF size, making it easier to share and store your files without sacrificing quality.
Key Features
Compress PDF files to under 512 KB
Maintain high-quality content
User-friendly interface
Fast processing times
Compatibility with various devices
Potential Use Cases and Benefits
Sending PDFs via email without size restrictions
Uploading documents to websites or portals that have size limits
Saving storage space on devices
Easier sharing for remote collaboration
Quicker uploads and downloads
By reducing the size of your PDFs, you can easily share files with friends or colleagues without encountering size limitations. This feature effectively solves your problem of managing large PDFs, streamlining the way you handle your documents. Experience the convenience of compact files today.
For pdfFiller’s FAQs
Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
How do I reduce a file to 500kb?
How to Compress PDF to 500kb? The upload PDF file you want to compress on this free PDF size reducer. Press the Compress button once your file is uploaded. The facility will start working on your PDF and will provide you with a compressed PDF instantly. Save shrink PDF with a click on the Download button.
How do I reduce a PDF to 500kb?
To compress PDF 500kb, you have to follow the given steps: Browse and select the file from your device or cloud storage (Google Drive or Dropbox). After choosing the file, click the given Compress PDF button to commence the compression. The PDF will be compressed and displayed on your screen in seconds.
How do I reduce a PDF to 500 KB?
To compress PDF 500kb, you have to follow the given steps: Browse and select the file from your device or cloud storage (Google Drive or Dropbox). After choosing the file, click the given Compress PDF button to commence the compression. The PDF will be compressed and displayed on your screen in seconds.
How do I reduce the size of a PDF in 512kb?
How to Compress a PDF to a Chosen Size Go to the 'Compress PDF' online tool. Select your PDF, then drag and drop it into the tool. Choose either 'Basic compression' or 'Strong compression'. We'll also show an estimation of the compression rates here. Click 'Choose option' to compress your document. Download your PDF.
How do I compress a PDF to 512 KB?
How to Compress a PDF to a Chosen Size Go to the 'Compress PDF' online tool. Select your PDF, then drag and drop it into the tool. Choose either 'Basic compression' or 'Strong compression'. We'll also show an estimation of the compression rates here. Click 'Choose option' to compress your document. Download your PDF.
How do I compress a PDF to 500kb without losing quality?
Go to the Compress PDF tool. Drag and drop your PDF file into the tool, choose 'Basic Compression'. Wait for us to work on reducing its file size. Click download to save your PDF document.
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