Practical guides for file uploads
Choose a guide based on the problem you are actually trying to solve. Each checklist explains what to check, which tool helps, and where manual review is still necessary.
Photo Upload Checklist: Format, KB and Dimensions
A step-by-step guide to preparing a photo for application upload portals without guessing the rules.
Open guide →Image basicsImage KB vs Pixels: Why Uploads Fail
Understand image size, dimensions, cropping and JPEG compression before uploading an application photo.
Open guide →PDF qualityScan Quality Checklist for Multi-page PDFs
How to catch blank scans, dark pages, skewed text and mixed page sizes before sharing or submitting a PDF.
Open guide →Forms and documentsInteractive PDF Form Submission Checklist
Check required AcroForm fields, signatures, attachments and form flattening before submitting an interactive PDF.
Open guide →Where to start
If an application portal rejects a photo, start with the Photo Upload Checklist. If you are unsure whether 600 × 800 and 50KB are the same kind of limit, read Image KB vs Pixels. For a long scanned document, use the Scan Quality Checklist. If a fillable PDF form has unanswered fields, use the Interactive PDF Form Checklist.
These guides do not replace the current instructions of a government agency, employer, university, or other organization. Keep your original file and review downloaded results before uploading them.