Free online image compressor

Compress Images Online Free

Reduce JPG, PNG and WebP file sizes with adjustable quality and optional resizing. Compress images for websites, uploads, email and everyday sharing without installing software.

✓ JPG ✓ PNG ✓ WebP ✓ Batch compression ✓ Browser processing

Compress Your Images

Choose one or more images, adjust the settings and download smaller copies.

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Drop images here

or choose JPG, PNG or WebP files from your device

Choose Images
Lower quality usually creates a smaller file.
WebP or JPG can often create smaller photo files.
Optional. Leave empty to keep dimensions.
Choose images to get started.
Original size 0 B
Compressed size 0 B
Space saved 0%
Why compress images?

Smaller Image Files, Simpler Workflows

Image compression is useful whenever a large file makes an upload, page or sharing workflow harder than it needs to be.

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Reduce File Size

Make large image files smaller so they are easier to upload, store and share.

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Prepare Images for Web

Smaller image assets can reduce the amount of data a browser needs to download.

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Meet Upload Limits

Compress images when an application, form or website places a limit on file size.

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Process Multiple Images

Select several supported images and compress them together in one browser session.

Choose the right format

Compress JPG, PNG and WebP Images

Different image formats behave differently during compression, so the best choice depends on the type of image and where you will use it.

JPG

Compress JPG

JPG is commonly used for photographs and other continuous-tone images. Adjusting quality can significantly reduce the file size while keeping a visually useful result.

Compress JPG →
PNG

Compress PNG

PNG is useful for graphics and images that need transparency. If your workflow depends on PNG characteristics, use the dedicated PNG compression tool.

Compress PNG →
WEBP

Compress WebP

WebP is a modern web image format designed to provide efficient image delivery. Use the dedicated WebP compressor when your source image is already in WebP.

Compress WebP →

Compress Images Online Without Complicated Software

Large image files are common when photos come directly from a phone or camera, when screenshots are saved at high resolution, or when graphics are exported at dimensions much larger than their final display size. An image compressor helps reduce that file weight so the image is easier to upload, share and publish.

The important part is choosing compression that fits the image. A photograph usually benefits from adjustable JPEG or WebP quality, while a transparent graphic may need a PNG workflow. There is no single compression setting that is ideal for every image, which is why this tool gives you control over quality, output format and optional width.

Compress JPG Images for Smaller Files

JPG is a common format for photographs, product images and everyday pictures. If a JPG is several megabytes but only needs to appear at a smaller size on a website, reducing its dimensions and quality can often produce a much smaller file. For a dedicated JPG workflow, use our Compress JPG tool.

Reduce PNG File Size Without Changing Your Workflow

PNG is widely used for screenshots, logos, illustrations and graphics where transparency may matter. PNG compression behaves differently from JPEG-style quality compression, so it is useful to choose a PNG-specific workflow when you need to keep the PNG format. You can use Compress PNG for that purpose.

Compress Images for Websites

Images can make up a significant part of the data downloaded by a web page. Preparing images at sensible dimensions and using an appropriate format can help reduce unnecessary page weight. Compression is especially useful for large hero images, blog photos, product images and other visual assets that do not need their original camera dimensions.

A practical workflow is simple: first decide the dimensions the image actually needs, then choose a suitable format, and finally compress the resulting file. If you need to change dimensions first, use our Image Resizer. For a broader workflow, see our Image Optimization guide.

Compress Images for Email, Forms and Uploads

Many online forms and services place limits on image file size. A photo that looks perfectly normal can still be too large for the upload field. Compressing the image gives you a smaller copy that is easier to submit while keeping the original file untouched. If you need a specific size such as 100KB or 200KB, you can also use our 100KB or 200KB compression tools.

Keep the Original Image

Compression changes the output file, so it is good practice to keep your original image as a master copy. This gives you the option to create different versions later for a website, application, email or social platform without repeatedly compressing an already compressed file.

Common use cases

When Should You Compress an Image?

Use image compression when the original file is larger than the destination actually requires.

🌐 Website Images

Compress blog photos, product images and page graphics before publishing them online.

📄 Online Forms

Reduce photos when an application, registration form or portal has a file-size limit.

✉️ Email & Sharing

Create smaller copies of large photos that are easier to attach or send.

🛍️ Product Images

Prepare product photos for ecommerce pages where oversized originals are unnecessary.

📝 Blog Images

Optimize article images before uploading them to WordPress or another CMS.

📱 Mobile Photos

Create smaller copies of high-resolution phone photos for everyday online use.

More image tools

Need More Than Compression?

Use the tool that matches the next step in your image workflow.

Resize Image

Change width and height when your image dimensions are larger than necessary.

Open Image Resizer →

Convert to WebP

Convert JPG or PNG images to WebP when your website workflow supports the format.

Open WebP Converter →

Optimize Images

Learn how dimensions, formats and compression can work together for better image preparation.

Image Optimization →
Latest guides

Image Compression Tips & Guides

Explore the latest FreePixelKit articles about image formats, compression and optimization.

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Frequently asked questions about image compression
FAQ

Image Compression FAQs

Quick answers to common questions about compressing image files online.

Image compression reduces the amount of data stored in an image file. Depending on the format and settings, it can reduce file size while maintaining a visually useful result.

Choose an image, select your quality and output settings, then click Compress Images. The tool creates a separate compressed copy that you can download.

Yes. This page supports JPG, PNG and WebP input. You can also choose a different supported output format when appropriate.

There is no universal setting for every image. A moderate quality setting is a useful starting point for photographs. Check the output visually and adjust quality if you need a smaller file or higher fidelity.

No. The compressor creates a new output file. Your original file remains on your device unchanged.

Yes. You can select multiple supported images and process them in the same browser session. Processing speed depends on image dimensions and your device.

For a specific target such as 100KB or 200KB, use the dedicated target-size compression tools available on FreePixelKit. Exact output size can depend on the source image and its visual complexity.

If the original dimensions are much larger than the image's intended display size, resizing first can remove unnecessary pixels and make compression more effective.

Make Your Images Smaller in a Few Clicks

Compress JPG, PNG and WebP images, adjust quality and download smaller copies for your next upload, website or sharing task.

Compress an Image →
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