Last updated on
Dec 29, 2025
Shorten Image File Size less than 300kb 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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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.
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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
Well, I just got it and I am exploring its features... Too early for me to give a feedback. I'll be able to tell you more in a couple of weeks, I guess! Thanks!
2017-10-06
I had some trouble at first (yesterday), but support was able to help. Now things are going smoothly on my end. It still remains to see how my signers interact with PDF Filler.
2018-06-07
App doesnt work the same as using it on a computer. On the computer is easy and simple. Ive tried the app and seems to cant work it like on the computer such as tap on it erase or add , high light , or erase. Im using apple iphone Thank you
2019-04-26
It's easy
It gives you access to do alot of things it's easy to understand and it gives you a lot of options to convert and send
Haven't found one yet but when I do I will let you know until now it's very stable and reliable it's even cheap
2019-01-31
I like that I can bring in any fillable…
I like that I can bring in any fillable document, it makes everything to do with a business much easier. It's just not very easy to do. I have to remember how to do it every time. Not sure if that is my fualt or if this is just not that user friendly.
2023-11-09
Wish I Could Change Color of Signature
I enjoyed this tool and site. However, I wish there was just some way that I could not only change the font for my signature but the color to blue as well.
2022-05-03
I love the concept. This pdfFiller was extremely helpful with the form I needed to use. Much more than the IRS website. I would recommend this company working with them for more accuracy on the forms. I understood my document much better with the step by step process.
2021-05-03
Allows PDF to be edited
My overall experience with PDF filler has been convenient, and also allows me to fill in PDFs without having to print them out.
What I like most about the software is the storage content which allows you to save PDFs into your device and fill them out later.
I have not used this offer enough to find any dislikes, but it is very convenient for any business owner or even educators who need forms filled out electronically.
2021-04-06
Awesome platform for everything to with…
Awesome platform for everything to with PDFs. Would thoroughly recommend if you have document collation to do or any other form of PDF editing. The icing on the cake is the fast, polite and friendly customer service team.
2020-05-25
Shorten Image File Size Under 300kb
Managing image files can often be a challenge, especially when you need to keep your website fast and efficient. Our Shorten Image File Size feature reduces your image files to less than 300kb, ensuring they load quickly without compromising quality. This tool is perfect for anyone looking to enhance their digital experience.
Key Features
Easily reduce image size without losing quality
Compatible with various image formats, including JPEG and PNG
User-friendly interface for quick adjustments
Preview options to see changes before saving
Fast processing to save you time
Potential Use Cases and Benefits
Optimize images for websites and blogs to improve loading speed
Prepare images for email attachments or social media sharing
Save storage space on devices and cloud services
Enhance user experience by reducing waiting times
Maintain high image quality while meeting size requirements
This feature effectively solves your problem of large image files. By compressing images to less than 300kb, you can ensure your content loads quickly, enhancing user satisfaction and engagement. Whether you run a website, share images on social media, or simply want to manage your files better, this tool allows you to achieve your goals effortlessly.
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.
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How do I make a 300 KB file?
How to compress a PDF to 300kb or less. Open the Tools center and select the Optimize PDF Tool. Choose the file you want to compress. Select Reduce File Size in the top menu. Pick your options and file version compatibility. Rename and save the file.
How do you make a KB file smaller?
To reduce the size of your PDF, open the file, then go to Convert > Compress. This will bring up a menu where you can choose the compression level, from smallest to largest (file size). At the smallest option, with file compression and image resampling set to 150 dpi, our 11,775MB file got compressed to 261.53KB.
How do I convert a JPG to PDF less than 300KB?
Convert JPG to PDF at 200 KB or Less Go to the JPG to PDF tool, drag and drop your JPG in. On the next page you'll see an overview of your documents. On the next page, click “Compress PDF” and choose “Basic Compression.” Wait for the tool to compress the new PDF file. Download your converted and compressed PDF!
How do I reduce the KB size of a photo?
Compress JPG to 200 KB Online First, convert the JPG to a PDF. On the right of the result page, click “Compress PDF.” Choose “Basic Compression” and wait for our software to compress the file. On the next page, click “PDF to JPG,” then “Convert entire pages” to save the file as an image.
How do I make a picture less than 300kb?
Right-click on the image file in the File Explorer, select Open With, Paint. Select main menu item Image, Stretch/Skew Change the Horizontal and Vertical percentages to a percentage less than 100. Select the main menu item File >> Save As to save the resized image.
How can I make a file smaller than 300kb?
How to compress a PDF to 300kb or less. Open the Tools center and select the Optimize PDF Tool. Choose the file you want to compress. Select Reduce File Size in the top menu. Pick your options and file version compatibility. Rename and save the file.
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