Bulk Image Compressor

Free Online Bulk Image Compressor

Compress multiple images in one session with this free bulk image compressor. Choose your output format, adjust image quality, and resize large pictures when needed. Then download each result or save all compressed images in one ZIP file.

Select up to 30 JPG, PNG, or WebP images. Maximum input size: 20 MB per image.
Lower quality usually creates smaller JPG and WebP files. PNG does not use this quality setting.
Use 0 to keep the original width unless the height limit applies.
Use 0 to keep the original height unless the width limit applies.
Choose your images to get started. Your files are processed in your browser.

How to Compress Multiple Images

This bulk image compressor helps you reduce the size of several pictures at once. You do not need an account or an external image API.

  1. Select the JPG, PNG, or WebP images you want to process.
  2. Choose an output format and set your preferred quality.
  3. Enter maximum dimensions if you also want to resize large images.
  4. Click Compress Images and review the results.
  5. Download individual files or save successful results in a ZIP file.

For JPG and WebP, lower quality settings can reduce file size. However, very low quality may create visible artifacts. Start with 80% and adjust the setting to suit your needs.

Why Use a Bulk Image Compressor?

Processing images one by one takes time. A bulk image compressor lets you prepare several pictures in one session, which is useful for websites, online stores, blogs, and social media.

Smaller images can help reduce page weight. Still, the best result depends on the original format, dimensions, and image content. Check your images before replacing the originals, especially when you need high visual quality.

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Frequently Asked Questions

What is a bulk image compressor?

A bulk image compressor processes several images in one session. It helps you reduce file sizes without repeating the same steps for each image.

Is this bulk image compressor free?

Yes. You can use the tool for free in your browser. It does not require an account or an external image API.

Which image formats can I compress?

You can select JPG, PNG, and WebP images. You can export processed images as WebP, JPG, or PNG.

Will compressing images reduce their quality?

JPG and WebP compression can reduce image quality, depending on the selected setting. PNG output preserves the canvas image data without lossy quality adjustment, but it may not create a smaller file.

Can I resize images while compressing them?

Yes. Set a maximum width or height in pixels. The tool keeps the image proportions and reduces dimensions only when the image exceeds your limits.

Are my images uploaded to a server?

No. Image processing takes place in your browser. The tool creates the compressed images and ZIP download on your device.