Reduce Photo File Size to 300 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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Last updated on Sep 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
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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
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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:
A nice application for my work. Tweaking documents to suit the different needs of others to get the job done quickly. An easy interface to work with. I was up and applying PDFfiller in a matter of minutes.
Tom
2014-10-27
needed to print out applications, employment verifications and a background questionaiire that required it be typed, printed out and sent via US mail. Most online PDF's will not supply editing capabilities. Thanks PDFillier!
Wilfredo G
2016-10-01
It is a time saving tool. There are times that I am faced with having to annotate, update or have a document signed immidiately I turn to PDF Filler with confidence...
Leonides V
2018-04-30
I really have needed a tool like this to turn a number of internal business documents into fillable forms. Do not want to have to buy a typewriter to do the tasks PDF filler can do so easily. Without any training I have been able to do the basic functions just fine. I would be interested in furthering my skills be learning how to do more sophisticated editing or creation.
Sharon M
2018-05-22
I bought this to use at work. It's so easy to use and keep documents looking professional. It's nice that it's cloud based so I can use it when working remotely as well. The mobile app is great too. A great resource for a great price.
Erin H
2019-02-25
It's really convenient, I've been using it to fill out paper applications since I don't like filling them out since I have dysgraphia. I have some slight issues though, like I had one application where the check box would automatically do a cross and if I want to do a checkmark I have to drag it, which I also have issues with it aligning correctly. alignment isn't too bad, but it's slightly off. Otherwise I love using this site. :D
Garrison L
2019-10-29
PdfFiller review It edits pdf that other application or websites cannot do.It is convenient to make multiple pdf documents.I like the idea that i can also sign any document using pdffiller. The fact that you have to pay for it in order to use the free version.
Vionah O.
2023-02-28
useful, easy, accessible, and most of all which is rare in these cases transparency ( love that you show days left of trial rather other free trials that sneakily start charging hoping you forget when trial ends and not respond)
Marvin R
2020-10-10
Easy to use however as a student and… Easy to use however as a student and not a large user of this functionality, the plans are not fit for my purpose.
Tanya Boicheski
2025-05-25

How to Reduce Photo File Size to 300 KB

To Reduce Photo File Size to 300 KB, follow these steps

01
Navigate to pdfFiller website and sign in to your account
02
Click Add New to upload a document you would like to compress; search for the file you need on your desktop or one of the supported storage services
03
Alternatively, browse the documents in the file library, enter the document’s URL, or send it via email
04
If you've already uploaded the document to your account, navigate to My Documents to find and open it
05
To Reduce Photo File Size to 300 KB, click on it and select Split in the right-hand menu
06
Select the pages you want to extract from the original file
07
Divide the original file into several and indicate which pages to leave in each
08
Name the new files or leave them as is
09
Click Split and wait a few seconds
10
Choose a path for saving newly created files and click the Download Now button

Reduce Photo File Size to 300 KB

Are you tired of oversized images that consume your storage space and slow down your uploads? The Reduce Photo File Size feature helps you manage your images effortlessly. By shrinking your photos to 300 KB, you can streamline your digital experience.

Key Features

Quick image compression for faster uploads
Maintains essential image quality
User-friendly interface for easy use
Compatible with various file formats
Batch processing for multiple images

Potential Use Cases and Benefits

Share images on social media without delay
Send photos via email without worrying about attachment limits
Store more images on your device by saving space
Optimize images for websites to improve load times
Create backups without consuming excessive storage

This feature resolves the common problem of oversized images. By reducing your photo size to 300 KB, it allows smoother sharing and easier storage. Now, you can focus on what matters—capturing moments and sharing them with others.

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 Reduce Photo File Size to 300 kb

Reducing the file size of your photos to 300 kb can be easily done using the pdfFiller product. Follow these simple steps to achieve the desired result:

01
Open the pdfFiller product on your device.
02
Upload the photo you want to reduce the file size of. You can do this by clicking on the 'Upload' button and selecting the photo from your device's storage.
03
Once the photo is uploaded, click on the 'Reduce Photo File Size' feature. This feature can usually be found under the 'Edit' or 'Tools' menu.
04
A dialog box will appear, allowing you to choose the desired file size. Select '300 kb' from the options provided.
05
Click on the 'Apply' or 'Reduce' button to start the file size reduction process. This may take a few moments depending on the size of the photo and your device's processing power.
06
Once the process is complete, you will be prompted to save the reduced file. Choose a location on your device where you want to save the file and click on the 'Save' button.
07
Congratulations! You have successfully reduced the file size of your photo to 300 kb using the pdfFiller product.

By following these steps, you can easily reduce the file size of your photos to 300 kb and optimize them for various purposes such as uploading to websites, sending via email, or sharing on social media. Enjoy the benefits of smaller file sizes without compromising on 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
Steps to compress PDF to 300KB. Go to the online compression tool website. Upload the file you want to compress. Let the software do its magic. Download or share your newly compressed file.
300 Kilobytes 0.3 Megabytes. In bits: 300 kb to Mb 0.3 Mb (megabits), and here you can convert 300 MB to kB. In digital storage, 300 kilobytes equal 0.3 MB. 300 kB 300 1000 B.
How to Reduce Image Size in Kb Upload or drop the image to the photo Kb reducer. Choose desired quality and compression type. Hit the Reduce image size in KB button. Download the compressed image by clicking on the download button.
Follow the instructions below to reduce image size in kb using our image kb reducer. Upload Image. First, click the upload button to select the image. Choose Quality & Compression. Choose the quality and compression ratio you desire. Click Compress Image. ... Download Reduced Size Image.
u2020 The '300 KB photo size in pixels' is the size of photos with the dimensions of 3.3 u00d7 3.3 inches (6 u00d7 6 cm), which are usually used with a computer screen view or a photo in printed material.
Open the image in Microsoft Paint. Select the image and use the resize button. Click OK and the image will resize. If you want to crop the image, use the Selectu201d button to choose the portion of the image you want to keep, then click Crop. Save the image.

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Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
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Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025