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Private · runs on your server

Compress image

Make your image smaller while keeping it looking sharp.

Lower = smaller file, higher = better quality

This tool lets you reduce image size in KB or MB for free. Upload your JPG or PNG, compress it, and download a smaller file that still looks sharp — no signup, no watermark.

Upload forms and websites often cap how big an image can be, and a photo straight from a phone or camera is usually several MB — too large to attach. Compressing the image brings the file size down to the KB or MB you need while keeping it looking sharp. It runs on the server, needs no account, and deletes files after processing — a fast way to compress an image on any device.

How to use it

  1. 1Upload your image (JPG or PNG)
  2. 2Let the compressor shrink the file size
  3. 3Tap compress to make it smaller
  4. 4Download your smaller image

Key features

  • Reduce image size in KB or MB — free online, no signup
  • Compresses JPG and PNG images
  • Makes a smaller file that's easy to upload
  • Keeps the image looking sharp
  • Runs in any browser on desktop and mobile
  • Files deleted automatically after processing

What it does

  • Reduces an image's file size in KB or MB
  • Compresses JPG and PNG images
  • Keeps the image looking sharp
  • Makes files easy to email, upload or share
  • Works with no login and no signup

What you get

  • A smaller version of your image in KB or MB
  • An image that still looks sharp
  • A file that fits upload and email limits
  • Secure processing with automatic file deletion

Common use cases

  • Shrink a photo to meet an upload size limit
  • Reduce an image to a few hundred KB for a form
  • Make a picture small enough to email
  • Lighten images so a page loads faster
  • Fit a photo under a website's file-size cap

Who it's for

  • Anyone hitting an upload size limit
  • People filling forms with photo size caps
  • Students attaching images to submissions
  • Website owners lightening their images
  • Anyone emailing or sharing large photos

Before and after

BeforeA photo is too big to upload.
AfterIt's compressed to fit the size limit.
BeforeAn image is several MB and slow to send.
AfterIt drops to a few hundred KB.
BeforeA form rejects a large photo.
AfterThe smaller file uploads fine.

Good to know

Why people trust it

How to reduce image size in KB for free

Photos from a phone or camera are often several megabytes, which is a problem when a form, website or email caps the file size. You end up with an image that simply won't upload or send. Compressing it reduces the file size — down to a few hundred KB, or whatever limit you're working with — while keeping the picture looking sharp.

To compress here, upload your JPG or PNG and the tool reduces the file size for you. You get a smaller image to download, ready to upload or email. It's a free way to reduce image size in KB or MB, with no account and no watermark.

Wondering how to reduce an image's size without software? This works right in your browser — no install, no signup. It's a quick image compressor: upload, compress, and download. Whether you need to slip under a 1 MB cap or get a photo down to a few hundred KB for a form, you get a file that fits.

Compression keeps the image looking sharp while cutting the weight; heavier compression trades a little quality for an even smaller size, so you can balance the two. Because it runs online, it works the same on Windows, Mac, iPhone and Android, and your files are deleted automatically after processing. A simple way to reduce image size in KB free online — no account required.

Also known as: image compressor, reduce image size, shrink image, compress photo.
FAQ

Frequently asked questions

How do I reduce an image's size in KB for free?

Upload your JPG or PNG and the tool compresses it to a smaller file size you can download — free, with no signup or watermark.

Can I get an image under a specific size limit?

Yes. Compression brings the file size down so you can fit upload caps like 1 MB or a few hundred KB while keeping the image sharp.

Will compressing reduce the quality?

It keeps the image looking sharp while cutting the file size. Heavier compression trades a little quality for an even smaller file.

Does it work with JPG and PNG?

Yes. The compressor works with both JPG and PNG images and reduces their file size.

Is it really free with no sign up?

Yes. Compressing is completely free, with no account, no signup and no watermark. Files are deleted automatically after processing.

🔒 Processed privately on the server 🗑️ Files deleted automatically 🚫 Never shared with third parties