Understand the rule. Fix the file once.
Official-source country explainers plus plain-language guides to the PDF and image requirements that make online forms reject otherwise useful files.
How to calculate overnight shift hours with breaks
Use a reliable next-day formula, subtract unpaid breaks, and total repeated night shifts.
Date calculationHow to count workdays between two dates
Understand inclusive dates, weekends, custom holidays, and the difference between weekdays and workdays.
PDF page orderHow to reorder, rotate, and delete PDF pages
Correct scan order, sideways sheets, blanks, and duplicates without uploading the document.
PDF organisationHow to merge PDF files in the correct order
Build a clear application packet while protecting originals and checking the finished page order.
PDF page rangesHow to split a PDF by page range
Create separate files from ranges, individual pages, and non-adjacent page groups.
PDF file sizeHow to compress a PDF to an exact KB or MB limit
Target 100 KB, 500 KB, 1 MB, or another upload ceiling without sacrificing more quality than necessary.
United StatesUS visa digital photo: pixels, JPG, and 240 KB
Prepare the technical file while keeping the State Department’s separate photo-content rules in view.
United KingdomUK passport photo size and digital checker
Check the 600×750 pixel minimum and 50 KB–10 MB file-size range without cropping the original.
CanadaCanada online passport photo file checklist
Check the photographer’s original JPEG for its 3:2 ratio, pixels, and 200 KB–5 MB window.
New ZealandNew Zealand passport photo size checker
Validate the official JPG, 3:4 ratio, pixel range, and 250 KB–5 MB file-size range.
EuropeEU visa photo requirements and Schengen photo tool
Understand the shared ICAO rule, then copy the exact KB, pixel, and format limits from the destination portal.
File sizeHow to make an image fit an exact KB range
Why “under 50 KB” and “20–50 KB” are different problems—and how to solve both.
DimensionsPixels, aspect ratio, crop, and resize explained
A practical guide to width × height rules without stretched faces or rejected files.
FormatsJPG vs PNG vs WebP for online forms
Choose the format a portal will accept without making your file unnecessarily large.
ChecklistThe five checks before you upload a photo
A quick final review for file size, pixels, format, filename, and visible content.
Popular ready-made presets.
Open a focused page with the useful settings already loaded, then adjust only what your destination portal requires.
For very short PDFs and strict upload ceilings.
Open preset →200 KBFor application forms and short supporting documents.
Open preset →500 KBFor clearer scans and multi-page application files.
Open preset →1 MBFor longer scans, portfolios, and clearer supporting files.
Open preset →20 KB imageAn 18–20 KB window for tiny form uploads.
Open preset →50 KB imageA 48–50 KB preset for common application portals.
Open preset →100 KB imageA 95–100 KB window for detailed form photographs.
Open preset →200 KB imageA 190–200 KB window for clearer online uploads.
Open preset →600×600 pixelsAn exact square crop with a practical JPG ceiling.
Open preset →