filemate

July 1, 2026

How to Get Your Resume Photo to the Right Size and File Size

Ever been blocked by a job site asking for a photo “under 100KB and 300px wide”? Handle the pixels and the file size in order and it passes on the first try.

Resume and application photo uploads usually come with two requirements: pixel dimensions (say 300px wide, 3:4 ratio) and file size (say under 100KB). They’re separate things, so the order you handle them in matters.

Step 1. Set the pixel size first

Start in the image resizer and match the required width. If the rule is “300px wide,” set the width to 300. The ratio is kept automatically.

  1. Drag in the ID photo, or click to select it
  2. Choose “Width (px)” and enter the required value (e.g. 300)
  3. Press “Resize” and download

If an exact ratio like 3:4 is required, crop to 3:4 first in your phone or PC photo app, then set the pixels with the tool above.

Step 2. Hit the file size (KB)

If it’s still over 100KB after resizing, open the image compressor and set the “max file size” to 0.1MB (=100KB). ID photos are small, so the quality drop is barely noticeable. See the guide on reducing file size for tips.

Why resize first, then compress

Cutting the pixels first makes the image lighter, so the later compression can hit your target size while removing less quality. Do it the other way around and you tend to lose quality for nothing.

If it’s an iPhone HEIC photo

If the shot is an iPhone HEIC, the job site may not recognize it. Convert it to JPG first with the HEIC to JPG converter, then follow the steps above.

Frequently asked questions

  • JPG or PNG? For ID photos, JPG is far smaller at the same quality. Most sites recommend JPG too.
  • What if I don’t know the required size? It’s usually stated in the site’s help or next to the upload box. If not, a 3:4 ratio at 300–450px wide is a safe default.
  • Is it safe? Everything runs in your browser; the photo is never sent to a server.