All-in-one image toolkit
Free Online Image Tools
Compress images to any file size, convert between JPG/PNG/WebP, crop, resize, and rotate — all in your browser. No signup, no uploads, no limits.
100% private — files never leave your device
Image Compressor
Reduce file size to exactly 100KB, 200KB, 500KB, 1MB, or 2MB with smart binary search.
Format Converter
Convert between JPG, PNG, and WebP. Decodes HEIC and AVIF from iPhones and cameras.
Image Cropper
Drag to select any area and crop. Precise pixel-level control with live preview.
Image Resizer
Change dimensions to any width and height. Maintain aspect ratio with one click.
Image Rotator
Rotate images by any angle with quick presets for 90°, 180°, and 270°. Custom slider for precise adjustments.
Batch Processor
Process multiple images at once. Convert, resize for social media, and download as ZIP.
Remove Background
AI cutout in one click. Removes image backgrounds automatically, handling hair and complex edges with precision.
Watermark Remover
Paint over watermarks, logos or unwanted objects and erase them instantly with smart pixel filling.
100% Private
All processing happens in your browser. Images never leave your device.
Batch Processing
Upload multiple images at once, process them together, and download as ZIP.
All Formats
Supports JPEG, PNG, WebP, HEIC, AVIF, GIF, BMP, TIFF.
Free Forever
No accounts, no watermarks, no hidden limits. Every tool is completely free.
Frequently asked questions
Are my images uploaded to a server?+
No. Every tool on CompressIO runs entirely in your browser using JavaScript and the Canvas API. Your files never leave your device.
Is CompressIO really free?+
Yes. Every tool is free with no watermarks, no accounts, no daily limits. Just open the page and drop your images in.
Which formats can I convert?+
The Format Converter can decode HEIC/HEIF (iPhone photos), AVIF, WebP, JPG, and PNG, and export as JPG, PNG, or WebP with adjustable quality.
What tools are included?+
CompressIO includes six free tools: Image Compressor, Format Converter, Image Cropper, Image Resizer, Image Rotator, and Batch Processor.
Do I need to create an account?+
No. No account, no email, no sign-up — just open the page and use the tools. Nothing is stored about you.
Can I use CompressIO on my phone?+
Yes. Every tool runs in any modern browser — desktop, tablet, or mobile. The interface adapts to your screen.
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