Are my images uploaded to a server?

No. All compression and resizing happen in your browser using the Canvas API. Your images never leave your device.

What is the best format for compression?

WEBP usually produces the smallest files at a given quality. JPG is more widely compatible. Use JPG for photos you need to share broadly.

When converting a transparent PNG to JPG, transparency is replaced with a white background because JPG does not support transparency.

There is no hard limit, but very large images may take a moment to process depending on your device.

Compress and resize images to reduce file size. Supports JPG, PNG, and WEBP. All processing happens locally.

image compressor

compress image to 1mb

resize image for instagram

image resizer

Drop an image here or click to browseJPG, PNG, WEBP. Compressed locally in your browser.

1
Upload an image
Select a JPG, PNG, or WEBP image. Everything is processed locally and never uploaded.
2
Choose format and quality
Pick JPG or WEBP output, then adjust the quality slider to balance size and quality.
3
Resize if needed
Set a custom width and height, or keep the aspect ratio locked while resizing.
4
Preview and download
See the compressed result and file size, then download the optimized image.

Convert HEIC and HEIC photos from iPhone to JPG instantly in your browser. No upload, no watermark.

View photo metadata like camera, GPS, and settings, then strip EXIF data for privacy before sharing.

Extract dominant colors and a full palette from any image. Click to copy HEX, RGB, and HSL values.