How to reduce image file size without losing quality
“Without losing quality” usually means “without a difference you can see.” With a few smart choices you can cut image sizes by 50–80% while they still look great. Here’s how.
Pick a more efficient format
The single biggest win is often the format. Converting a JPEG or PNG to WebP typically saves 25–35% at the same visual quality; AVIF can save around 50%. If you don’t specifically need PNG or JPG, switch to WebP or AVIF first.
Lower the quality just enough
For lossy formats (JPEG, WebP, AVIF), quality around 70–80 is the sweet spot: most photos look identical to the original but are a fraction of the size. Below about 60 is where visible artifacts usually start. Compare before/after to find your limit.
Resize to the size you actually display
A 6000-pixel photo shown in a 1000-pixel-wide column is wasting most of its data. Resizing to the dimensions you actually use is a huge, quality-neutral saving — the displayed image looks identical.
Use target-size compression
When you need a specific limit (say under 200KB for a form), let the tool search for the highest quality that still fits, instead of guessing. That gives you the best possible quality at your size cap.
Strip unnecessary metadata
Photos carry EXIF data (camera model, GPS, timestamps) that adds bytes and can leak your location. Removing it shrinks the file slightly and improves privacy — with zero effect on the image itself.
Do it privately with Dropsize
Dropsize applies all of these in your browser — convert, adjust quality, resize, target a size, and keep or strip EXIF — with nothing uploaded. Batch your images and download them as a zip.
Compress your images →