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Image Compressor

Shrink JPEG, PNG and WebP files without uploading them anywhere.

Image Tools Reviews Free · no sign-up

Drop an image here, or click to choose one

JPEG, PNG or WebP · processed on your device, never uploaded

Quick Tool Overview

The Image Compressor shrinks JPEG, PNG and WebP files on your own machine. Choose a quality level, watch the resulting file size update immediately, and stop at the point where the file is small but the picture still looks right. Nothing is ever uploaded.

What it does
Re-encodes an image at a smaller file size
You give it
A JPEG, PNG or WebP file from your device
You get back
A compressed image with the size saving shown
Best for
Page speed, email attachments and upload size limits
Image Tools Free, unlimited use No sign-up Runs in your browser

About the Image Compressor

Large images are the single most common reason a page loads slowly. This compressor re-encodes your image at a quality level you control and shows the resulting file size immediately, so you can find the point where the file is small but the picture still looks right.

Everything happens on your own machine using the canvas API — the image is never uploaded, which makes this safe for photos of documents, screenshots containing customer data, or anything else you would not want sitting on someone else's server. You can also switch the output format while compressing; converting a photographic PNG to WebP or JPEG often cuts the size by more than the quality slider ever will.

Key features of the Image Compressor

Nothing leaves your device

Compression runs on the canvas API in your browser, which makes it safe for screenshots containing customer data or photos of documents.

Quality slider with live size

The output size updates as you drag, so you can find the exact point where the saving stops being worth it.

Side-by-side comparison

Original and compressed are shown together, because a percentage saving means nothing until you can see the picture.

Change format while compressing

Converting a photographic PNG to WebP or JPEG often cuts more than the quality slider ever will.

No queue, no upload wait

Work is local, so large files are processed at the speed of your machine rather than your connection.

How to use the Image Compressor

  1. 1

    Add your image

    Drop a file onto the box or click to choose one. JPEG, PNG and WebP are supported.

  2. 2

    Adjust the quality

    Move the slider and watch the output size update. Around 75 to 85 percent is usually indistinguishable from the original.

  3. 3

    Compare the result

    The original and compressed sizes are shown side by side with the percentage saved.

  4. 4

    Download

    Save the compressed image to your device.

Frequently asked questions

No. The file is read and re-encoded entirely inside your browser. It never touches a network connection.

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