Why do resume photo requirements differ from site to site?

Because each site checks a different attribute. JobKorea works in pixels and file size, specifying 103 by 132 pixels within 1MB. Q-Net, Korea's national qualification exam portal, works in print dimensions, asking for an ID photo (2.5 by 3.5cm) or a half-name-card photo (3 by 4cm) in JPG or JPEG format under 200KB. One looks at pixels, another at paper dimensions, another at format and size. That is why a file tuned for one site gets rejected by the next. The final word is always the original job posting and the instructions on the site you are applying through.

How do I shrink a photo that is too large to upload?

Give an image compression tool a target size and it will find the best quality that fits under it. If you are still over the limit, reducing the pixel dimensions with a resize before compressing is more effective. The standard order is crop for aspect ratio, resize for pixels, compress for file size. Compressing first loses quality while cutting less size.

Does renaming a file from .png to .jpg change its format?

No. Changing .png to .jpg at the end of the filename leaves the data inside as PNG, so a site that inspects the format still rejects it, and some viewers show the file as broken. You have to re-save it as JPG in an image conversion tool for the format to actually change. Where only JPG and JPEG are accepted, this difference leads straight to a rejection.

Can I edit a passport photo the same way?

No. Photos submitted for a new passport are held to an entirely different standard. Korea's Ministry of Foreign Affairs passport photo rules do not permit photos with the background erased or a white background composited in, nor photos that have been filtered or retouched. A passport photo has to be an original shot against a uniform background to specification from the start. Use the crop, resize, and compress steps in this article only to fit the file specifications of a photo that has already been taken.

Resume Photo Requirements - Why Is Mine Rejected?

Hand-drawn illustration of a large photo print wedged in the mouth of an upload box, too big to fit through, with a warning triangle beside it

Resume photo requirements tend to block you right before the deadline. The cover letter is written, the photo is the last thing to upload, and up comes "file size exceeded."

The original from the photo studio gets refused, so in a panic you send it to yourself over a messaging app and save it again — and now the face is smeared.

There is a reason the same photo passes in one place and fails in another. Application sites check different attributes.

Hand-drawn illustration comparing a very large photo print with a small ID-photo sized print, with a double-headed arrow spanning the width of the large one — In most cases the problem is not the photo. It is the file.

Six minutes gets you

A way to pin down which of the three causes got your photo rejected.
A clear sense of how the requirements differ between application sites.
The order to work in so you lose the least image quality.

A rejection almost always comes down to one of three things. The aspect ratio is wrong, the pixel dimensions are wrong, or the file size and format are wrong.

Why can't you upload a phone photo as is?

Because photos from a modern phone are far larger than resume photo requirements allow. Shot with the default camera, one image runs to several megabytes, while submission limits are much tighter.

Q-Net accepts nothing over 200KB, which is a few percent of a phone original.

Studio originals are high resolution for printing, so they almost always need reducing for web submission. Keep the original as it is and make a separate copy for submission.

Resume photo requirements: what do you match?

This is where most people get confused. Since each site checks something different, a file tuned for one is rejected outright by the next. Put the official published requirements of two commonly used Korean sites side by side and the difference is obvious.

Site	Size requirement	Format	File size
JobKorea resume	103 × 132 pixels	jpg, jpeg, gif, png	Within 1MB
Q-Net exam application	ID photo (2.5 × 3.5cm) or half-name-card photo (3 × 4cm)	JPG, JPEG only	200KB or under

What the table shows is that the units themselves differ. JobKorea speaks in pixels, Q-Net in print dimensions. The format differs too: Q-Net takes JPG and JPEG only, so a PNG that uploads fine to JobKorea is refused there.

Easy to mix up

The "3 × 4 passport photo" on Q-Net is not the passport issuance size

What Q-Net's notice calls a passport photo (3 × 4) refers to the size commonly known in Korea as a half-name-card photo. The photo you actually submit when applying for a passport is a different size: 3.5 × 4.5cm, the standard used by our Passport Photo Checker.

The names are close enough that cropping to 3.5 × 4.5 and submitting it to Q-Net gets the ratio wrong. The safe approach is to follow the exact figures the receiving site publishes.

Why does the order matter?

Because changing the order means doing the same work twice. To meet resume photo requirements, go ratio first, then pixels, then file size — that sequence costs the least quality.

Work the other way round and you pay twice: compressing before the resize throws away quality that the resize would have removed anyway.

Hand-drawn illustration of three steps running left to right: cropping a photo with corner brackets, shrinking it to a smaller photo, and pressing it thinner between two plates — Compress first and you lose quality while cutting less size.

Step 1 · Ratio

Crop to the required aspect ratio

Phone photos are usually 3:4 or 9:16, which does not match ID photo proportions. In Image Crop, set the ratio the site specifies and crop so the face sits centred and slightly high. Leaving a little headroom above looks natural.

Step 2 · Pixels

Resize to the required pixel dimensions

Where pixels are stated outright, as with JobKorea's 103 × 132, enter the numbers directly in Image Resize. Cutting pixels cuts file size substantially, so this step alone often clears the size limit. Keep the aspect-ratio lock on to avoid stretching the face.

Step 3 · Size and format

Compress under the limit, convert the format if needed

If you are still over, finish with Image Compress. Give it a target size and it finds the best quality that fits underneath. If the format is the problem, re-save as JPG in Image Converter. Compression tools preserve the original format, so format changes are the converter's job.

What goes wrong when you are in a hurry?

Hand-drawn illustration of three identically sized ID photo frames: one with the figure pushed to one side, one enlarged so the top of the head is cut off, and one correctly centred with a check mark — Shrink without fixing the ratio and the subject ends up off-centre or cropped.

Mistake 1

Renaming the file extension

Changing .png to .jpg in the filename does not change the format. The data inside is still PNG, so sites that inspect the format still reject it, and some viewers show it as broken. On a site that accepts only JPG and JPEG, this trips immediately.

Mistake 2

Shrinking it by sending it through a messaging app or taking a screenshot

Both of those re-compress the image on their own terms. The size drops, but the edges of the face smear, and after a couple of rounds it is obvious at any zoom. This photo is the first impression on your application, so reducing it once from the original is the safer path.

Mistake 3

Using this method on a passport photo

Unlike resume and exam submissions, the photo you submit when applying for a new passport is held to an entirely different standard. Korea's Ministry of Foreign Affairs rules do not permit backgrounds that have been erased or composited, or retouched photos.

A passport photo must be an original shot to specification from the start.

In one line

Resume photo requirements are not a problem of retaking the photo. They are a problem of fitting the file. Check the ratio, pixels, file size, and format the site publishes and work through them in that order.

If you apply through the same places regularly, it is worth preparing copies in advance — one for resumes, one for exam applications.

If you have a photo to fix right now, start with Image Crop.

References

JobKorea, "Resizing your ID photo": standard 103 × 132 pixels, within 1MB, jpg/jpeg/gif/png. View the guidance
Q-Net, "Photo registration guide": ID photo (2.5X3.5) or passport photo (3X4) dimensions, *.JPG or *.JPEG, 200KB or under. View the guidance
Ministry of Foreign Affairs passport photo rules: composited backgrounds and retouched photos are not accepted. View the rules

This article is for general information only and does not replace the official instructions of each receiving site. Photo dimension, size, and format requirements can change when sites are redesigned, so treat the original job posting and the application site's own guidance as the final standard. The figures given here were confirmed against each organisation's official guidance as of August 2026.

Frequently asked questions

: Because each site checks a different attribute. JobKorea works in pixels and file size, specifying 103 by 132 pixels within 1MB. Q-Net, Korea's national qualification exam portal, works in print dimensions, asking for an ID photo (2.5 by 3.5cm) or a half-name-card photo (3 by 4cm) in JPG or JPEG format under 200KB. One looks at pixels, another at paper dimensions, another at format and size. That is why a file tuned for one site gets rejected by the next. The final word is always the original job posting and the instructions on the site you are applying through.
: Give an image compression tool a target size and it will find the best quality that fits under it. If you are still over the limit, reducing the pixel dimensions with a resize before compressing is more effective. The standard order is crop for aspect ratio, resize for pixels, compress for file size. Compressing first loses quality while cutting less size.
: No. Changing .png to .jpg at the end of the filename leaves the data inside as PNG, so a site that inspects the format still rejects it, and some viewers show the file as broken. You have to re-save it as JPG in an image conversion tool for the format to actually change. Where only JPG and JPEG are accepted, this difference leads straight to a rejection.
: No. Photos submitted for a new passport are held to an entirely different standard. Korea's Ministry of Foreign Affairs passport photo rules do not permit photos with the background erased or a white background composited in, nor photos that have been filtered or retouched. A passport photo has to be an original shot against a uniform background to specification from the start. Use the crop, resize, and compress steps in this article only to fit the file specifications of a photo that has already been taken.

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