Compress Image Online Free — No Upload
Reduce JPG, PNG and WebP file size in seconds. Everything runs in your browser — your photos never leave your device.
Drop images here or click to choose
Files are processed in your browser and never uploaded.
How to use
- Drop or select one or more images (JPG, PNG, WebP).
- Drag the quality slider to balance size and clarity.
- Click Compress, then download each result or all at once.
About this tool
This image compressor runs entirely in your browser using the Canvas API and a WebAssembly-based compressor, so your photos never leave your device. That makes it both faster (no upload/download round-trip) and more private than server-based tools. It works well for getting photos under common limits like 100KB or 200KB for forms, job portals and websites, and for cutting page weight to improve Core Web Vitals. For the smallest files at good quality, try exporting to WebP after compressing.
Frequently asked questions
Are my images uploaded to a server?+
No. All compression happens locally in your browser. You can open your browser's Network tab and confirm there are no outbound image requests.
How do I compress an image to 100KB?+
Drop your image, lower the quality slider gradually, and watch the output size. Most photos reach 100KB at quality 40–60. For very large images, reduce dimensions first.
How do I compress an image to 50KB?+
Set quality to around 30–45 and compress. If the file is still over 50KB, try resizing the image to smaller dimensions before compressing.
How do I compress an image without losing quality?+
Use quality 75–85 for a good balance. At these settings the visual difference is barely noticeable while file size drops by 40–60%.
Does compressing reduce quality?+
Lossy compression trades some detail for smaller size. At quality 70–80 the difference is usually invisible on screens while the file gets much smaller.
What image formats are supported?+
JPG, PNG and WebP. For HEIC (iPhone photos), use our HEIC to JPG converter first.