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Quick answer

How to use the free Image Compressor

To compress images for free, open the Image Compressor, drop JPG, PNG or WebP files, set quality around 80%, and download individually or as a ZIP. All processing stays on your device.

Free image tools — compress, resize & convert

Compress, resize, convert and clean images — all in your browser with no upload. Shrink JPG, PNG and WebP files by up to 90%, resize to exact dimensions, convert between formats, and strip EXIF metadata. Batch processing with ZIP download. No sign-up, no watermark, no limits.

Every image tool processes your files locally on your device. Photos never leave your computer, keeping your personal images private and secure. It's perfect for web publishing, social media, email attachments, and everyday photo tasks.

Image tools included

  • Compress images — reduce JPG, PNG and WebP file size by up to 90% with a quality slider.
  • Resize image — set exact dimensions or a max width/height while keeping aspect ratio.
  • PNG to JPG — convert and compress PNG photos to smaller JPG files.
  • JPG to WebP — convert to the modern WebP format (25–35% smaller at same quality).
  • HEIC to JPG — convert iPhone HEIC/HEIF photos to standard JPG or PNG.
  • EXIF stripper — remove GPS location, camera details and metadata before sharing.

Why compress images before publishing

Images are the heaviest part of any web page. A 4MB photo can often compress to under 400KB with no visible quality loss — a 90% reduction that makes pages load several times faster. Smaller images improve Core Web Vitals (LCP), which Google uses as a ranking signal.

Questions

Frequently asked questions

Are my images uploaded to a server?

No. All compression and resizing happens in your browser with the Canvas API. Your files never leave your device, so it's completely private and works offline.

Is there a limit on how many images I can process?

There's no hard cap — processing dozens of images is fine. Very large batches depend on your device's memory, so we suggest ~30 at a time for smooth performance.

Which format should I choose?

WebP for the best size with transparency support, JPG for maximum compatibility on photos, and PNG when you need lossless quality or sharp transparency.

Will compression reduce quality?

JPG and WebP are lossy, so lower quality means smaller files. At 75–85% the difference is usually invisible. PNG is lossless and only benefits from resizing.

Does resizing keep the aspect ratio?

Yes by default — set a max width and/or height and the image scales proportionally. Uncheck "Keep aspect ratio" to force exact dimensions.

GuideHow to Compress Images Without Losing Quality (Free Online) — ToolCrixRead the full guide →
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