Simple, Quick & Free JPG Compressor to 300KB
Need to shrink a JPG to 300KB for forms, portals, or email? This free online tool reduces file size in seconds while keeping your image sharp—no downloads, no account, no design skills required.
Always Free, Browser-Based
Keeps Quality at 300KB
Precise File Size Targeting
Why reduce JPG to 300KB?
Websites, academic portals, and online forms often enforce a 300KB size limit. A 300KB JPG keeps images clear while allowing smooth uploads and efficient storage.
Use it to:
- Submit IDs or forms with strict file caps
- Share images quickly via email
- Place JPGs in slides or reports without slowing them down
- Upload faster to portals and cloud drives
Minimize Image Size
Minimize Image Size
Minimize Image Size
Minimize Image Size
Compress JPG Online Free vs. Offline
How to resize JPG to 300KB?
Discover the difference with PDFelement JPG Compressor.
Completely Free
No fees, no watermark, no software—compress instantly in your browser.
Sharp Quality Kept
Even at 300KB, your JPG stays crisp and clear for official use.
Exact Size Control
Set 300KB as the target and get accurate results—no endless retries.
Perfect for Upload Rules
Most portals, forms, and email servers accept JPGs under 300KB.
One-Click Process
Upload, set size, and download—no editing knowledge needed.
Works Everywhere
Compatible with Windows, Mac, iOS, and Android—fully online.
Your go-to online Image resizer.
Secure, Compliant, and Professional PDF Software - Award - Winning.
PDFelement shines in G2 Summer 2025 as a Grid Leader, Momentum Leader, and High Performer for Enterprise - adding to its 2024 G2 Best Software Award - Top 50 Office Products, ISO 27001 - Information Security Management certification, and PDF Association membership.
FAQs about Online Image Resizer.
-
How can I reduce a JPG to 300KB without losing quality?
Use a JPG compressor that allows custom file size settings. Our tool compresses while keeping details intact.
Steps:
- Upload your JPG
- Enter 300KB as the target size
- Download instantly
-
Can big JPGs be compressed down to 300KB?
Yes. Large JPGs can be reduced by trimming file complexity or scaling image dimensions.
Tips:
- Crop unused background
- Adjust image width/height
- Save as JPG format (instead of PNG)
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Is 300KB a good size for JPGs?
Yes. 300KB is ideal for:
- Application portals
- ID and exam forms
- Email attachments
- Presentation or report visuals
It strikes the right balance between clarity and file size.
-
What tool works best to compress JPG to 300KB?
Our JPG compressor is:
- Free and online
- Free of watermarks
- Supports custom size input
- Compatible across all devices
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What if my JPG won't shrink to 300KB?
If the file is still too large, simplify the image before trying again.
Try this:
- Lower resolution slightly
- Save in standard JPG quality
- Remove extra effects or layers
- Upload again for compression
-
Are there any limitations when I am using this tool to compress images?
Just a quick heads-up when using PDFelement Free Online Compressor: the file you upload should be under 100MB. If you're using "Custom Size" mode, the file must be under 10MB. For larger files, choose High, Medium, or Low compression instead. That's it! Feel free to compress as many PDFs as you'd like — all for free. No sign-up needed, and there are no limits to how many you can process.
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