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Tell it a target size — like 50 KB for a government form — and it finds the right quality automatically. No guessing with a slider, no repeated re-uploads.
Last updated 5 September 2026
Drag & drop files here, or
Up to 100 images, 25 MB each
Drop in one or more photos.
Choose a quick-pick chip (20 KB–1 MB) or type a custom target, plus an optional minimum.
The tool searches automatically and tells you exactly what it did — no slider guessing.
Quality alone at full size couldn’t reach 100 KB, so the tool reduced the dimensions once and re-searched quality, landing at 96 KB — just under the target — at quality 72%.
Most compressors make you drag a quality slider and check the result yourself, again and again. This tool automates that: it binary-searches the JPEG/WebP quality setting, testing a handful of values until it finds the highest quality that still fits under your target size.
If even the lowest quality is still too big — common with very small targets like 20 KB on a large photo — it also reduces the image dimensions in small steps and searches again, until it fits or it has tried as much as it reasonably can.
Some forms (competitive exam applications are a classic example) reject a file for being too small as well as too large — for instance, "between 20 KB and 50 KB". Set a minimum and the tool will nudge the quality back up if its first result lands below it, without ever going over your maximum.
A slider makes you guess and check repeatedly. This tool does that searching for you and stops exactly when it finds the best quality that still fits your target size.
For an extremely small target on a highly detailed image, even the lowest quality and smallest reasonable size may not fit. The tool tries its best across several downscale steps and clearly marks the result if it couldn’t fully meet your target.
No. When the tool needs to shrink dimensions to hit a target, it always scales proportionally — width and height shrink together.
Yes — enter a target (the maximum) and an optional minimum. This exactly matches forms that specify a size range like "20 KB to 50 KB".
Yes — the same target-size search works on any JPG or WebP image, signatures included, though a simple signature scan usually reaches a small target with better visual quality than a detailed photo would.
Typically well under a second per image for common target sizes, since the whole binary search runs locally in a Web Worker without any network round-trip.
JPG is the safer default since virtually every form and portal accepts it. Choose WebP only if you've confirmed the destination accepts it — it can sometimes reach a target size with slightly better visual quality.