E-commerce product photo (Shopify)
Before
2400×2400px, 3.2 MB JPG
After
1200×1200px, 280 KB JPG (quality 80%)
This is the sweet spot for Shopify uploads. Product details stay sharp, page loads fast.
All Tools
Image Compressor – Compress Images Without Uploading Them
I built this because every online compressor made me upload my image first, then asked for my email, then slapped a watermark on it. Here you drop an image, set the quality, and download — everything happens inside your phone or laptop.
100% free, no signup
Upload a file
Drag & drop your file here, or click to browse
Your files are processed in your browser and never uploaded to any server.
A note from me
I ran this tool on 200+ images — product photos, screenshots, and phone camera shots. What worked for me: e-commerce product photos at 1200×1200px and 80% quality. WhatsApp photos at 1600px and 75%. For websites, use WebP — it's 30-40% smaller than JPG at the same visual quality.
— Mirza Noman Baig
How to use this tool
- 1Pick your image (JPG, PNG, or WebP).
- 2Drag the quality slider — 70-80% works for most images.
- 3If the image is huge, lower the width and height too.
- 4Check the preview to make sure it still looks sharp.
- 5Hit Download and save the compressed file.
Real results from testing
These are actual measurements from using this tool, not estimates.
Phone camera photo (for WhatsApp)
Before
4032×3024px, 5.8 MB JPG
After
1600×1200px, 210 KB JPG (quality 75%)
WhatsApp compresses anyway, so sending 200-300 KB is enough. Anything bigger is wasted.
Website hero image
Before
1920×1080px, 1.8 MB PNG
After
1920×1080px, 340 KB WebP (quality 82%)
WebP is the better choice for websites — same visual quality, much smaller file.
Image Compressor features
Compression happens in your browser
Your images never leave your device. No upload, no waiting.
JPG, PNG, and WebP support
All three common formats work. You choose the output format.
Full quality control
You decide how small the file gets and how much quality stays.
Resize while compressing
If the image is too large, lower width and height — the size drops even more.
Frequently asked questions
What quality setting should I use?+
In my testing, 75-85% works for most images. If the image has text or fine details, go 85-90%. For screenshots, never go below 85% — text starts looking fuzzy.
Does my image go to a server?+
No. Everything runs in your browser. I can't see your images, and I can't save them.
Does PNG compression reduce quality?+
PNG is lossless, but to shrink it dramatically in the browser, it gets converted to JPG or WebP. If you need transparency, keep it as PNG — the size won't drop as much, but transparency stays.
Can I compress multiple images at once?+
Yes. Select multiple images, and each one is processed separately. You can download them all.
Does it work on phones?+
Yes. It works in both Android and iPhone browsers. Pick an image, compress, done.