Blog

Plain-language guides to common file problems, each linked to the tool that helps.

• How to get a PDF under an email size limit
  Why PDFs get too large to email and a practical order of steps to shrink them without ruining readability.
• Why phone scans look grey, and how to fix them
  Shadows and grey paper are a lighting problem first. How to photograph documents well and clean them up into a readable PDF.
• Why WhatsApp photos look blurry, and when to shrink them first
  WhatsApp recompresses photos you send. Learn when sending as a document is better, and when pre-shrinking photos helps on a slow connection.
• Passport and ID photo sizes explained: mm, pixels and KB
  Print size, pixel dimensions and file-size limits are different requirements. How to convert between them and resize a photo for an online application.
• How to merge PDFs without breaking order or page sizes
  Plan page order, clean up files first and check the merged result. A practical checklist for combining several PDFs into one.
• PDF to JPG: which resolution should you choose?
  How dpi translates to pixels, which setting fits screens, messaging or print, and when converting a PDF to JPG is the wrong choice.
• Turn photos into one PDF: order, rotation and file size
  Combining phone photos into a single PDF is easy, but size and orientation cause trouble. How to prepare images and keep the file manageable.
• Resizing images for online forms: dimensions, quality and file size
  Upload forms limit dimensions, file size or format. How each setting affects the result and the best order to adjust them.