An application or passport-photo upload can reject a prepared portrait as too large. Before retaking it, check the accepted format, byte cap, width and height.
A supplied ID-photo sample illustrates how to inspect facial detail, pixel dimensions and saved bytes. Photo-capture requirements and file size are separate conditions.
Start with these choices
Choose 500KB, 1MB, or 2MB, or enter the KB or MB value required by the destination.
The tool searches at the original dimensions and resizes only when quality changes are not enough.
Check the actual size as well as faces, text, and fine edges before submitting the image.
Choose JPG, PNG, or WEBP
WEBP is efficient for photographs, while JPG offers broad compatibility. PNG preserves transparency and pixels losslessly, but because it has no quality percentage, a small target may require a larger reduction in dimensions.
Write down three submission requirements first
Accepted format, maximum file size, and required pixel dimensions are separate checks. An image under 500KB can still be rejected if it is WEBP on a JPG-only form or narrower than the minimum width. If the original already meets every condition, there is no need to compress it again.
- Document photos: check names, dates, and small text for readability
- ID photos: check the required aspect ratio and pixel dimensions; prepare any necessary cropping separately
- Transparent logos: confirm PNG or WEBP support instead of choosing JPG only for a smaller file
For ID and passport photos, bytes and photo requirements are separate
A photo submission can specify JPG, maximum bytes, dimensions and ratio. For passport use, also check the official background and face-size requirements and use a compliant photo faithfully depicting the applicant. Compression exports a prepared image; it does not reposition the face or rebuild a compliant backdrop.
This source is 1105px wide. It would fail a minimum pixel requirement of 1200px even after meeting a byte cap. Automatic compression does not know the destination’s minimum pixel requirement, so inspect the actual source and output dimensions. Enlarging a small source does not restore missing detail.
- Reference pageOfficial Korean passport-photo requirements
When an under-limit image is still rejected
First check that you selected the result rather than the similarly named original. Rounded size displays and different KB or MB definitions can cause rejections near the limit. Toolit uses 1024 bytes per KB; if the destination requires 500,000 bytes, try a target with room to spare, such as 480KB, and check the actual file.
- Confirm the actual file format is accepted, not just the extension
- Check both pixel dimensions and aspect ratio
- If the tool reports that the target was not met, use the actual result size
- If text looks smeared, start again from the original rather than repeatedly compressing the result
An ID-photo sample: inspect the face and saved bytes
The supplied ID-photo sample measures 1,910,759 B at 1105×1423. Targets of 500KB and 200KB produced JPGs of 277,741 B and 195,833 B. Both retain the source pixel dimensions.
Inspect facial outlines, hair and the eye region after reducing bytes. This example changes export settings only: no face retouching or cropping. Check the original ratio and required clarity as well as size.
A target is an upper bound, not a size to fill. An output around 278 thousand bytes already meets the 500KB target. The production automatic-search logic ran with a local encoder; browser byte sizes can differ.
Raw reproducibility records (JSON)
The main results are explained above. These raw records contain processing conditions and file hashes. Opening a link displays JSON text, not an illustrated article.