I shrank a long screenshot and the text became unreadable. Why, and how do I avoid it?
Because shrinking scales everything by the same factor: when the screenshot's width drops below half, text that was 30 px tall ends up about 14 px tall and gets hard to read. The fix is to crop the screenshot to the part that matters first and then shrink it less, or keep the original width and make the file lighter by compressing instead.
What happens to the letters, in numbers
A long phone screenshot of 1170 × 2532 px showing a chat or a customer order.
Type a width of 540 with the ratio lock on, and the height becomes 1169.
The scale is about 0.46, so everything is now less than half its size.
A line of text that was 30 px tall is now about 14 px, and the small dots of Arabic letters are the first detail to blur at that size.
The tool reduces large pictures in halving steps, which keeps more detail than a single jump. But nothing can make a 14 px letter carry the detail of a 30 px one. The problem is the target size itself, not the way of shrinking.
Why long screenshots are the worst case
Set a small width for a very tall picture and the height stays large while the width narrows, and text follows the width. A short screenshot would not need such a big reduction in the first place. So the usual mistake is trying to fit a whole screenshot into a small space, like a post or a thumbnail.
The fixes, in order
- Crop to what matters: open the Image cropper and cut out the message or line you want to show. A crop 1170 wide and a few hundred pixels tall hardly needs shrinking.
- Shrink less: if you need the whole screenshot, choose a larger width, such as 800 instead of 540, and check the preview zoomed in before downloading.
- Save as PNG: letters are sharp edges, and JPEG can leave smudges around them that make small text harder to read. PNG keeps the edges as they are.
- If the goal is only a lighter file, do not reduce the dimensions at all: keep the width and cut the weight another way.
A quick check before any shrink
After typing the new width in the Image resizer, zoom into the preview on your screen and try to read the smallest text in the capture, such as a price or a date. If you have to lean in to read it, your customer will struggle more on a phone screen. And some platforms compress images again after upload, so leave some clarity in reserve.
Common questions
Can I get the text back by enlarging the small image?
No. Enlarging only calculates new pixels from their neighbors and does not restore letters that were lost. Go back to the original screenshot.
I need to show several parts of a long screenshot. What should I do?
Cut each part out separately with the cropper, then show them as separate images or combine them into one, rather than shrinking the whole capture.