Shrink your JPG, PNG and WebP images in seconds — right here in your browser. Upload a photo, adjust the quality slider, optionally resize it, and see exactly how much file size you save before downloading. Free, no signup, and your images never leave your device.
Why Image Compression Matters in 2026
A typical phone photo is 3–8 MB. Upload ten of those to a blog post and your page becomes a 50 MB monster that takes forever to load — especially on mobile data. Google uses page speed as a ranking factor, and visitors abandon slow pages: most people leave if a page takes more than 3 seconds.
Compression solves this by removing data your eyes can’t see. A well-compressed JPEG at 80% quality looks identical to the original but is 60–80% smaller. Our free tool above lets you control exactly how much compression to apply and shows the size savings before you download.
Lossy vs Lossless: What’s the Difference?
- Lossy (JPEG, WebP): permanently discards some image data. Quality setting 80–85% is the sweet spot — visually identical, much smaller. Going below 60% introduces visible blocky artifacts.
- Lossless (PNG): preserves every pixel. Files stay large. Only needed for graphics with sharp text/lines or when you need transparency.
Rule of thumb: photos → lossy JPEG/WebP at 75–85%. Logos, screenshots, graphics with text → PNG.
How Much Should You Compress? (With Examples)
- Blog/website images: 75–80% quality, resize to max 1600px wide. A 5 MB photo becomes ~200–400 KB.
- Instagram/Facebook: platforms re-compress anyway — upload at 80–85% and let them handle the rest.
- Portfolio (photographers): 85–90% to protect fine detail, but still resize — nobody needs a 8000px web image.
- Email attachments: 70–75% keeps files emailable without ugly artifacts.
Resize + Compress: The Combo That Saves the Most
Compression alone helps, but resizing saves even more. A 4000×3000 photo displayed at 800px wide is carrying 25× more pixels than needed. Our tool does both: set your target width first, then adjust quality. Together they routinely cut file size by 90%+.
WebP: The Format You Should Be Using
WebP gives 25–35% smaller files than JPEG at the same visual quality, and every modern browser supports it. If your site platform accepts WebP uploads, convert your images (try our free image format converter) — it’s the single easiest speed win for image-heavy pages.
Common Compression Mistakes
- Compressing an already-compressed image repeatedly: each save at low quality degrades further. Always compress from the original.
- Forgetting to resize: uploading a 12 MP photo as a 300px thumbnail.
- Using PNG for photos: a PNG photo can be 5–10× larger than an equivalent JPEG for zero visible benefit.
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How to Use
- Upload a JPG, PNG or WebP image using the tool above.
- Adjust the quality slider — 80% looks identical to the original for most photos.
- Resize the image if you need smaller dimensions.
- Download the compressed image and check how much size you saved.
FAQs
Will compression reduce quality?
You control quality with the slider; 80% looks identical for most photos.
Is there a file size limit?
Works best under ~20MB.
Are my images uploaded?
No, all processing happens in your browser.
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