Guides and tutorials

Clear, practical instructions for working with PDFs, images, text, and career documents.

Image guides · 6 min read · Updated October 2026

Passport & Visa Photo Size Guide: Dimensions in mm, Inches & Pixels (300 DPI)

Convert common photo print sizes into pixels at 300 or 600 DPI, compare print and digital requirements, and resize with a browser tool.

Combine reports, scans, receipts, or forms into one cohesive PDF. Master page ordering, mixed orientations, and client-side security.

Reduce PDF file size to meet strict portal and email limits while keeping text razor-sharp and images legible.

Build a focused, high-converting resume with measurable achievements, ATS-compliant formatting, and clean PDF export.

Extract specific pages, isolate custom intervals (e.g. 1-5, 8, 12-15), or burst multi-page documents into individual files with zero file uploads.

Connect job requirements to proven accomplishments, craft a compelling narrative, and export a polished PDF letter.

Convert DOCX and DOC files to PDF online, preserve tables and page breaks, check font substitutions, and verify selectable text.

Understand the difference between digital text PDFs and scanned images, and know when OCR is needed.

Combine smartphone photos, receipts, and scans into a single organized multi-page PDF document entirely in your browser.

Extract pages from a PDF as crisp image files, choose suitable DPI settings, and download single pages or ZIP archives.