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Free online image compressor

Free Image Compressor Online

Reduce JPG, PNG, WebP and other browser-readable images with quality and target-size controls. Batch process files, preview results and download a ZIP.

✓ Free to use✓ No account✓ Browser-based✓ Batch processing

Image Compressor

Reduce image file size with quality and target-size controls. No account required. Your files stay on your device during browser-based processing.

✓ Bulk upload✓ Live previews✓ ZIP download

1. Add your images

Select one image or a complete batch. Every file gets its own thumbnail and details.

2. Choose settings

Set dimensions, format, quality or a best-effort target file size.

3. Preview & download

Compare original and processed images, then download one or everything as ZIP.

Privacy note: Pixora processes these core tools in your browser. Selected files are not uploaded to a Pixora processing server for conversion.

What to know before using Free Image Compressor Online

The right image workflow depends on the destination, the source image and the result you need. A smaller file is not automatically a better file: reducing dimensions too far can make text or fine detail unreadable, while excessive compression can introduce visible artifacts. Pixora lets you preview the result before downloading so you can make that trade-off deliberately.

Check the destination

Confirm the required format, maximum dimensions and file-size limit before editing.

Keep the original

Save an untouched source copy so you can make another version later without compounding quality loss.

Review the output

Check dimensions, transparency, text, edges and visual quality before publishing or submitting the file.

How to use Free Image Compressor Online

  1. Choose one or more images or drag in a batch.
  2. Select WebP, JPG or PNG output and adjust quality.
  3. Optionally set a target size such as 100KB, 200KB or 500KB.
  4. Process, compare the original and result, then download individually or as a ZIP.

Helpful tips

  • Start around 80–85% quality for a practical balance.
  • Use a target size when a website or form has a strict file-size limit.
  • Resize very large images first when their dimensions are much larger than the display size.

Frequently asked questions

Is Pixora free?

Yes. The core image compressor is free to use without an account.

Can I compress multiple images?

Yes. Upload a batch and apply the same settings to every file.

Can Pixora guarantee an exact target size?

No. Target size is best-effort because image content and browser encoding affect the final file size.

Are my images uploaded?

Core processing happens in your browser and does not require sending image data to a Pixora processing server.

More Pixora tools

Compress image →Resize image →Image guides →