Image Compressor
Image Compressor
Compress JPG and PNG images to much smaller file sizes without visible quality loss — free, instant, no signup.
🔒 100% private — compression happens in your browser, no uploads.
What is an image compressor?
An image compressor reduces the file size of your photos and graphics so they take up less storage, upload faster, and load quicker on websites. Modern compression is remarkably clever: it removes data your eyes can't easily see, so a photo that was 4 MB can become 400 KB while looking virtually identical.
This matters everywhere: Google ranks faster websites higher, emails have attachment limits, and forms often reject files over a few MB. Compressing before you upload solves all of these at once.
How to compress an image
- Upload — drag & drop your JPG or PNG into the box above.
- Set compression — 80% is ideal for most uses. Lower the slider for even smaller files, raise it when quality is critical.
- Compare & download — see the before/after side by side with exact sizes, then download.
Why use ImageFlexy's compressor?
- Up to 90% smaller files with no visible quality loss at recommended settings.
- Side-by-side preview — you see exactly what you're getting before downloading.
- Completely free — no limits, no watermarks, no signup.
- Private — compression runs locally in your browser; your images are never uploaded.
- SEO friendly output — smaller images mean faster pages, and faster pages rank better on Google.
Frequently asked questions
Will compression ruin my image quality?
At 75–85% quality, the difference is virtually invisible to the human eye while file size drops dramatically. Only extreme compression (below 40%) shows noticeable artifacts.
What's the difference between JPG and PNG output?
This tool outputs JPG, which is best for photos and complex images. If your image needs transparency, use our JPG to PNG converter instead and keep the PNG format.
Is there a file size limit?
Processing happens on your device, so limits depend on your device's memory. Images up to 20–30 MB generally compress smoothly.
Are my images uploaded to a server?
Never. The whole process runs in your web browser — your files stay on your device.
How do I compress an image to exactly 50KB or 100KB?
This tool does not have an exact-size button, but it is easy: compress at 80%, check the reported output size, and if it is still over your target, lower the slider (try 60–75%) and compress again. Most phone photos land under 100KB around 70% quality.
Why did my file get bigger after compression?
This can happen with very small or already-compressed PNGs: the tool re-encodes the image as JPG with a white background, which can slightly grow tiny files. In that case just keep your original — nothing was harmed.
Can I use compressed images on my website?
Absolutely — you should. Smaller images make pages load faster, and Google has confirmed that page speed is a ranking factor. Around 75–80% quality is the standard sweet spot for web images.
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