All guides
Citeable notes on format, file size, dimensions, ID photos, and email attachments.
Compress a photo under 100 KB or 200 KB for upload
Why forms cap uploads at 100 KB or 200 KB, and how to shrink a JPG without wrecking a face or document photo.
EmailEmail photo attachment too large
Why email rejects or strips photo attachments, Gmail/Outlook size limits, and how to shrink images before sending.
FormatHEIC photo not accepted by a portal
Why iPhone HEIC uploads fail on forms and portals, and how to convert to JPG without losing the submission.
ID / passportPassport and ID photo size requirements (2026)
A practical 2026 checklist for passport and ID photo size, background, and file rules — without pretending to be an official government site.
FormatPortal says JPG only — PNG, WEBP, or HEIC rejected
What “JPG only” means on upload forms, which formats fail, and how to export a compatible JPEG.
DimensionsWrong photo dimensions for a form upload
How pixel size, aspect ratio, and crop rules cause form photo rejections — and how to measure what the portal wants.