Compress 52mb PDF Files to 16mb easily with pdfFiller For Free

Drop document here to upload
Select from device
Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
Note: Integration described on this webpage may temporarily not be available.
0
Forms filled
0
Forms signed
0
Forms sent
Last updated on Dec 29, 2025

Try these PDF tools

Edit PDF
Quickly edit and annotate PDFs online.
Sign
eSign documents from anywhere.
Request signatures
Send a document for eSignature.
Share
Instantly send PDFs for review and editing.
Merge
Combine multiple PDFs into one.
Rearrange
Rearrange pages in a PDF document.
Compress
Compress PDFs to reduce their size.
Convert
Convert PDFs into Word, Excel, JPG, or PPT files and vice versa.
Create from scratch
Start with a blank page.
Edit DOC
Edit Word documents.

Discover the simplicity of processing PDFs online

Card illustration
Upload your document in seconds
Card illustration
Fill out, edit, or eSign your PDF hassle-free
Card illustration
Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025

Every PDF tool you need to get documents
done paper-free

Card illustration

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.
Card illustration

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.
Card illustration

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.
Card illustration

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.
Card illustration

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.
Card illustration

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+
users worldwide
4.6/5
average user rating
4M
PDFs edited per month
9 min
average to create and edit a PDF
Join 64+ million people using paperless workflows to drive productivity and cut costs

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:
It is easy to work with. The best for adding content to PDF files whether it is words or photos. This is my #1 go to for files. I am in real estate and this is the best product
Anonymous Customer
2016-09-24
It can be great, but it's a little buggy at times. The signature feature often crashes the signer's device, whether mobile or desktop, and the API integration with Zapier is very finicky as well.
Chad D
2018-05-12
What do you like best?
I love the template feature. Working for multiple physicians practices and several providers, it's so nice to be able change the provider name so easily and even organize my documents into folders that I can access no matter where I am!
What do you dislike?
I don't have any complaints. I love the features.
What problems are you solving with the product? What benefits have you realized?
I am able to be sufficient and quickly prepare forms from anywhere I may be.
User in Hospital & Health Care
2019-05-30
Pleasant PDFiller! I use PDFfiller almost daily. I work in Accounts Receivable and customers frequently like to have additional information added to their invoice. This is something our accounting program cannot do. Very user friendly. Very appealing to look at. I don't have any cons. I haven't found anything that I don't like about it.
LISA H.
2019-01-22
So convenient and really helps me out… So convenient and really helps me out when I quickly need to change a form or fill out a legal document. Great for small businesses!!
Ellena Boddie
2022-05-24
I needed a refresher on locating files I needed a refresher on locating files. The chat person was great. I also made a joke that I was working uncover for PDF Filler. Then I came clean and told him I was just joking.Smiles on both sides of the chat
Michelle Busey
2021-08-14
Searching for a form that I had… Searching for a form that I had difficulty finding elsewhere, I found it here upon oa couple tries. Having trouble with the editing, which I always do. This site is superb, I'm just a tech dummie with a capital "D". Gotta go or I'd say more. Thank you for your excellent product and great free trials.
Jody Sanchez
2021-01-18
I was freaking out that I couldn't save… I was freaking out that I couldn't save my work on a PDF for a scholarship app, but after finding this, I am very happy and calm.
BeccaClaire
2020-04-17
Love this app very easy to use Love this app very easy to use. I highly recommend for applications that require "fill in" sections, majority of us have terrible handwriting and there is nothing more annoying than explaining what you wrote. Also you want to ensure your application is submitted as quickly and efficiently as possible.
hexadismal
2025-05-20

How to Compress 52mb PDF Files to 16mb

Learn how to Compress 52mb PDF Files to 16mb with pdfFiller

01
Go to pdfFiller website and sign in to your account
02
Click Add New to upload a document you would like to Compress 52mb PDF Files to 16mb; search for the file you need on your desktop or one of the supported storage services
03
Alternatively, browse the pdfFiller library for a template you need
04
In case you have the document you need in your account, simply go to the Documents section and find it there
05
To reduce the size of a document, click on it and select Split in the right-hand menu
06
Select the pages you want to extract from the original file
07
Alternatively, you can divide the document in a half and keep specific pages in it
08
Name the new files or leave them as is
09
Click the Split button and wait for the process to complete
10
Choose a destination for new files and click Download Now

Compress 52MB PDF Files to 16MB

Are large PDF files slowing you down? Our compress feature allows you to reduce the size of your PDF files from 52MB to 16MB efficiently. This tool helps you save storage space and improves your file sharing experience.

Key Features

Shrink large PDF files without losing quality
User-friendly interface for easy navigation
Support for various PDF formats and sizes
Quick compression process to save you time
Ability to compress multiple files at once

Potential Use Cases and Benefits

Emailing PDF documents without exceeding size limits
Uploading files to cloud services with space restrictions
Archiving documents efficiently without taking up unnecessary space
Sharing reports, presentations, or portfolios with ease
Facilitating faster downloads for clients and colleagues

This compression feature resolves your problem of large PDF files weighing you down. You can now manage, share, and store PDFs seamlessly. Whether for professional or personal use, enjoy hassle-free storage and sharing with our reliable solution.

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

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
PDFs are measured in inches as stated above, standard is 8.5" x 11" in the USA. 96px = 1" 816px X 1056px would be the width and high of 1 page in pixels for a PDF in the USA A4 standard.
Any PDF file above 1 MB, which is considered a large file, that is mostly text should be compressed to a smaller size. Compressing the file will make it easier to send back and forth via email as well as safe on storage space. Therefore, most PDF real estate transactions files should be 1 MB or less.
• As a rule, files over 50 MB are considered “large” files and should not be loaded into a.
WhatsApp allows users to share files that are up to 100 MB in size. For videos recorded using WhatsApp, this limit is 16 MB. If a user tries to send a file that is bigger than this limit, the Facebook-owned messaging app will show an error message to the user.
It's generally accepted that a message size of around 20 MB is too large to send via email, and you'll find in lots of cases that mail servers will actually refuse to accept files that are this big.
Small (10 – 100 KB) Medium (100 KB – 1 MB) Large (1 MB – 16 MB) Huge (16 MB – 128 MB)

#1 usability according to G2

Try the PDF solution that respects your time.
Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025