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JPG to PNG
PNG cannot undo what JPG threw away
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PNG to JPG
LiveA PNG of a photograph usually comes back as a JPG 5 to 10 times smaller, which is the real reason to do this. A PNG of a screenshot is the awkward case: JPG softens text and sharp edges, so if the words have to stay readable, compress it as a PNG instead.
What it does
- Photographs typically drop 5 to 10 times in size
- Text and hard edges pick up visible fuzz
- Transparent areas are filled with white
Your files
Gone within the hour.
Files are uploaded over HTTPS, used only to run this tool, and deleted from our server automatically about an hour later. Never sold, never used to train anything.
Frequently asked questions
Why is my PNG screenshot so big?
PNG records every pixel exactly and never discards anything, so its size tracks how much detail is in the frame. A full screen grab that includes a photo, a map, or a gradient background can easily land between 5 and 15 MB. JPG gets small by throwing away detail your eye is unlikely to miss, which is the whole trade you are making here.
Does converting PNG to JPG make text blurry?
Yes, and this is the one real limitation of this conversion. JPG compresses in 8 by 8 pixel blocks and handles high-contrast edges badly, so black text on white picks up a faint grey halo and thin lines go soft. On a photograph you will not notice it at normal viewing size. On a screenshot of code, a spreadsheet, or a receipt, you probably will.
How much smaller will the file actually get?
For photographic content, 5 to 10 times smaller is normal: an 8 MB PNG usually lands near 1 MB. For flat graphics like logos, diagrams, or a plain UI, the saving is far less impressive, because PNG is already efficient at large blocks of one color and JPG has little redundancy left to exploit. Check both sizes before you delete the original.
What happens to the transparent background?
It is filled with white. JPG has no alpha channel at all, so transparency cannot survive the conversion in any form, and the white is baked into the pixels permanently. If the cut-out edge matters, for a logo sitting on a colored page for example, keep the PNG or convert to WebP, which keeps transparency and is still much smaller.
How do I make a screenshot smaller without losing quality?
Use Compress Image rather than this page. It keeps the file as a PNG and shrinks it by cutting the number of colors, so edges stay hard and text stays legible (gradients can band a little). The saving is smaller than a JPG conversion gives you, but nothing gets smeared. Come back here only if the result still will not fit.
What quality does the JPG come out at, and where does my file go?
We encode at quality 85, progressive, which is high enough that the loss is hard to see on photos without pixel-peeping. The conversion runs on our server, not in your browser, so the file travels over HTTPS and is deleted automatically about an hour after the job. It is never sold and never used to train anything. One image at a time, up to 50 MB, no account and no watermark.