The blog
Practical guides on file formats, sizes, and getting your concours application accepted the first time — no jargon, just what actually works.
Ideal Resume PDF File Size for Job Portals and ATS Systems
Most job portals cap resume uploads at 1-5MB, and a bloated PDF can also trip up ATS parsing — here's a sane target size and how to shrink a resume without losing quality.
India e-Visa Photo Requirements (Exact Size and Specs)
The Indian e-Visa portal wants a 2×2 inch (51×51mm) square photo, plain white or light background, uploaded as JPG under 1MB — here's how to get every part right.
Zoom Profile Picture Size and Background Guide
Zoom shows your profile photo as a circle when your camera is off — here's the size that looks sharp, plus how to clean up a background instead of using Zoom's blur.
TikTok Profile Picture Size: The Right Dimensions and Crop
TikTok displays your profile photo as a circle at 20×20px in the feed and 132×132px on your profile — upload a square at least 200×200px so nothing important gets cropped off.
Discord Avatar Size Guide: Best Dimensions and How to Crop
Discord displays avatars as a circle at 128×128px minimum, but the file you upload should be bigger and square — here's the right size and how to crop and export it correctly.
Best Photo Size for a CV or Resume
400-600px square, under 1MB, roughly 35×45mm if printed — and a note on whether you should include one at all, since the answer depends on where you're applying.
How to Compress Multiple Images at Once
Compressing photos one at a time gets tedious fast when you have a dozen — here's how to batch the whole set to the same target size in one go.
How to Fix a 'File Too Large' Upload Error
The error rarely tells you the actual limit or your file's actual size — here's how to find both, and the fastest way to get under whatever the number turns out to be.
How to Reduce an Image's File Size Without Losing Quality
The real levers that shrink an image — compression quality, pixel dimensions, and format — and how to use each without the photo looking obviously worse.
Compress vs. Resize: What's the Difference?
Both make a file smaller, but they change different things — and using the wrong one is the most common reason people don't hit the size they need.
Facebook Profile Picture: Size and Crop Guide
Facebook displays your profile picture as a circle too — the safe upload size, and the same margin rule that applies to Instagram.
Instagram Profile Picture: Size and Crop Guide
Instagram uploads square but displays circular — here's the exact size to use and how much margin to leave so nothing important gets cut off.
Canada Visa Photo Requirements
35×45mm, at least 420×540px for a digital upload, and a 60-240KB file size range — the exact IRCC specs, and the range that trips people up.
Moroccan Passport Photo Requirements
35×45mm, white/blue/light-grey background, and a head that fills 70-80% of the frame — the exact official specs from passeport.ma, explained plainly.
PDF or Image: Which Should You Upload?
When a form doesn't specify a format and just says 'upload your document,' here's how to decide between a PDF and an image — and how to convert either way in seconds.