Compress PDF Online in 20kb easily with pdfFiller 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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Last updated on Dec 26, 2025

Discover the simplicity of processing PDFs online

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Upload your document in seconds
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Fill out, edit, or eSign your PDF hassle-free
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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

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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.
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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.
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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.
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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.
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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.
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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:
Since this is my first time and I have never used one of these before, I am still learning. But so far am happy with it. I just wish it was easier to actually contact a human being to ask questions when I am not sure about something and so have to search and keep trying to find what I want.
Caroline H
2015-09-25
I like it thus far, however, there should be a discount for students, we are on a budget and this would so help. I have recommended your software to other classmates, i really like it, but somewhat pricey for my basic use.
Tattiana O
2015-10-05
I love the product and would not hesitate to suscribe if I had an ongoing need for. Excellent customer support. Extremely understanding, empathetic, and accomodating in every reguard!
Raymond A
2017-12-07
Very professional, highly recommended. I needed to create some fillable PDFs for a course I'm running and PDFfiller allowed me to do that with ease. I needed a bit of guidance on how to do it from their person in the chat box (who was very helpful and efficient) and, once they showed me what to do (it was easy), the software was great and pretty intuitive and allowed me to create fillable boxes neatly and easily - it gives you guidelines so you can line them up with each other. It's a pity they don't do a "one-off" fee of $5 or something, rather than a subscription because it's not something I need regularly, so I'd have been happy to just pay a little something toward using it, rather than signing up for the 30 day free trial. Highly recommended. Very professional. Lisa Cherry Beaumont of LisaCherryBeaumont.com
Lisa Beaumont
2020-01-07
great customer service - sam great, easy to use, saves us a fortune on an extra phone line for a fax. Great customer service, I always use live chat and get answers and resolution within a few minutes. I have only had to use support 3 times in a year because the program is so user friendly.
Tonja
2019-03-29
What do you like best? Super easy to navigate. I am a custom cabinetmaker, and I use this to markup blueprints all the time. What do you dislike? Really no downside. I do find it takes a long time to merge docs, but that's really no big deal. What problems is the product solving and how is that benefiting you? E signing docs. Editing PDF's that were sent to me on my computer without having to scan the doc is amazing
Rob Paul
2022-11-08
Fairly easy to use. Would like to combine 2 or more docs into one file so I can fax as a group. I'm sure that's an option; but haven't found it yet...still new at this.
Linda M R
2020-07-16
The program is easy to use and powerful, and I had a great customer experience with their support team. I was stressed and they left me satisfied. 10/10 would recommend this to anyone in business.
Dom
2020-07-15
A student-friendly experience I used this for easy homework access since they were in PDF formats. There was a problem with my subscription and payment process. I am glad my concerns were addressed in a friendly and hassle-free manner. More power to your company.
Ana Gomez
2025-01-01

How to Compress PDF Online in 20kb

Follow this guide to Compress PDF Online in 20kb on pdfFiller

01
Navigate to pdfFiller website and sign in to your account or create one if you're a new member
02
Click the Add New button and browse for a file you need to compress
03
Additionally, browse the pdfFiller library for a template you need
04
If you already have the file you need saved to your account, go to the Documents section and find it there by scrolling or using the search
05
Click the Split option in the right-hand menu to Compress PDF Online in 20kb
06
Select the pages you would like to extract from the original file
07
Alternatively, you can divide the document in a half and keep the pages you need in it
08
Add a title to each document
09
Click Split and wait a few seconds
10
Choose a destination for newly created files and click the Download Now button

Compress PDF Online - 20KB Feature

Are you tired of sharing large PDF files that cause delays and frustration? Our Compress PDF Online tool offers a simple solution. You can easily reduce your PDF files to 20KB, ensuring quick uploads and smooth sharing. With a few clicks, you optimize your documents without sacrificing quality.

Key Features

Easy online access from any device
Reduction of PDF file size to 20KB
No installation or registrations needed
Preserves the quality of your documents
Fast processing with instant downloads

Potential Use Cases and Benefits

Share PDFs via email without size restrictions
Upload documents to online platforms easily
Save storage space on your devices
Improve loading times for web-based documents
Enhance collaboration with efficient file sharing

When your PDF files are too large, it can hinder your workflow. Our Compress PDF Online tool efficiently solves this problem. By allowing you to compress documents to 20KB, you save time, simplify sharing, and enhance productivity. You will find that handling your PDFs has never been easier.

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
How to compress PDF to 50 KB?First, select PDF on this compress PDF to 50kb tool. Now, see selected PDF preview on the PDF compressor. Also, compress PDF size using slider accordingly. You can add or remove PDF from the list. Finally, download compressed PDF from compress PDF to 50kb tool.

#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