Compress JPG to Under 400kb 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 Jan 16, 2026

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:
I like it.. I just can't figure out if I can fill a docment and save it and go back and change it. I also don't like that it is challenging to get data squarely in the center of each square in form. Even if you try to do one square at time so you can manipulate, it connects them and then you can only use them as one field.
Geralyn H
2016-02-28
PDFFiller is a great tool! I have been very happy being able to fill in documents without having to print the document, then handwrite the answers on the document, so I could then scan it back in to my computer to send it off via email.
Michelle N
2017-05-19
A Great Way to Fill Out PDFs PDFs are a form that typically needs to be printed and filled out if you don't have software like this EAsy to use and simple Great service sometimes tricky to use but customer service is helpful
Adam D.
2018-09-18
Might be signing up again because of the combine pdf feature you offer. Adobe couldn’t even combine my pdfs for whatever reason. I would need a slightly cheaper subscription then you offer.
lawrence e
2024-08-29
Helpful. I liked that is had documents on hand that I needed and was able to manipulated them and submit them for the purpose I needed them for. It was a little tricky to use at first, but quickly figured it out.
Sarah D.
2022-06-08
I loved this software and features I loved this software and features. However it's just out of my budget right now. It would be helpful if there was a monthly subscription or payment plan. Instead of $96 all at once there should be an option to pay a monthly fee of $8.
Morgan Coleman
2020-11-25

How to Compress JPG to Under 400kb

Follow this guide to Compress JPG to Under 400kb with pdfFiller

01
Navigate to pdfFiller website and sign in to your account or create one if you're new to the service
02
Click the Add New button and browse for a document you need to Compress JPG to Under 400kb, from your desktop or cloud storage
03
Alternatively, browse the pdfFiller library for a template you need
04
If you already have the file you need in your account, go to the Documents section and find it there
05
Click the Split option in the right-hand menu to Compress JPG to Under 400kb
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 or leave them as is
09
Now click the Split button
10
Save the results and click Download Now

Compress JPG to Under 400kb

Are you tired of large JPG files slowing down your website or taking too long to upload? Our Compress JPG to Under 400kb feature is designed to help you reduce your image sizes without sacrificing quality. You can effortlessly enhance your digital presence with fast-loading images.

Key Features

Reduces JPG file sizes to meet 400kb limit
Maintains excellent image quality
Simple drag-and-drop interface
Supports batch image processing
Compatible with all devices

Use Cases and Benefits

Optimize images for faster website loading
Prepare images for email attachments
Save storage space on your devices
Share high-quality photos on social media easily
Ensure compliance with file size regulations for online submissions

With our tool, you can solve the problem of excessive file sizes. By compressing your JPG images efficiently, you will improve your website’s performance and user experience, leading to higher engagement and lower bounce rates. Start enjoying faster uploads, improved sharing capabilities, and a more streamlined digital workflow today.

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!

How to Use the Compress JPG to Under 400kb Feature

We understand that file size can be a concern when working with images, especially when it comes to sharing or uploading them. That's why pdfFiller offers a convenient Compress JPG to Under 400kb feature that allows you to reduce the size of your JPEG images without compromising their quality. Follow these simple steps to make the most of this feature:

01
Open the pdfFiller website or app and log in to your account.
02
Click on the 'MyBox' tab at the top of the page to access your documents.
03
Select the JPEG image you want to compress by clicking on it.
04
Once the image is selected, click on the 'Compress' button located at the top of the page.
05
A pop-up window will appear, allowing you to choose the desired compression level. You can select 'Low', 'Medium', or 'High' depending on your preference.
06
After selecting the compression level, click on the 'Compress' button to start the process.
07
Wait for the compression process to complete. The time it takes will depend on the size of the image and your internet connection speed.
08
Once the compression is finished, you will see a notification confirming the successful compression of your image.
09
You can now download the compressed image by clicking on the 'Download' button.
10
If you need to compress more images, simply repeat the steps above for each image.
11
Congratulations! You have successfully used the Compress JPG to Under 400kb feature to reduce the size of your JPEG images.

By following these steps, you can easily compress your JPEG images to under 400kb using pdfFiller's convenient feature. Enjoy faster file sharing and uploading without compromising image quality!

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
Convert JPG to PDF at 200 KB or Less Go to the JPG to PDF tool, drag and drop your JPG in. Drag and drop your JPG in. Click u201cConvert.u201d Select u201cCompressu201d and choose u201cBasic compression.u201d Download your converted and compressed PDF!
This Simple Image Resizer To Kilobytes helps you resize picture to 400 KB online for free. You will do this resize in just two simple steps - Upload image and hit button Resize Image to 400kb and you're done ! You don't have to any extra software on your device.
How to Compress JPEG File to 500kb Go to and sign in to your account. Click the Add New button to upload a document you need to Compress JPEG File to 500kb; browse for the file you need on your desktop or one of the cloud storage services.
How do I reduce the size of a JPEG to 200kb Convert the JPG to a PDF first. On the result page, click 'Compress' (under the Download button). Choose 'Basic Compression' and wait for our software to compress the file.
Understanding '400 KB' and '2048u00d72048' Size '400 KB, which is the size of a typical document, means it can hold up to 200,000 pixels on paper. In other words, the standard document size is 693u00d7693. These document sizes can hold up to 20 million pixels in total, making them very large and extremely detailed.
Convert the JPG to a PDF first. On the result page, click 'Compress' (under the Download button). Choose 'Basic Compression' and wait for our software to compress the file. On the next page, click 'to JPG' to save the file as an image.
Go to Image Image Size. Bring Photo Into Photoshop; Select Image, then select Image Size. image-size. jpg ... Save your file as a JPEG; Compress the file between 60% and 80%.
This Simple Image Resizer To Kilobytes helps you resize picture to 400 KB online for free. You will do this resize in just two simple steps - Upload image and hit button Resize Image to 400kb and you're done ! You don't have to any extra software on your device.

#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