PDF Quality Checklist: 20 Things to Verify Before Sharing

Introduction

Comprehensive pre-flight checklist for PDF quality, compatibility, and security. If you're new to this topic, don't worry — this guide walks you through everything step by step with clear explanations and practical examples. Whether you're using PDFly's free online tools or building your own workflow, this guide covers everything you need to know about pdf quality checklist 20 things to verify before sharing.

Understanding Quality

PDF quality encompasses consistency, accessibility, performance, and professionalism. From font embedding to cross-viewer compatibility, quality-focused practices ensure your PDFs look great and function correctly everywhere they're used.

Key Concepts You Need to Know

Font embedding prevents text substitution and layout shifts
Image resolution should match the output medium (72 DPI for web, 300+ for print)
Linearized PDFs (Fast Web View) load progressively for better web performance
Tagged PDFs enable screen reader accessibility and WCAG compliance
Cross-viewer testing ensures consistent rendering across all platforms

Step-by-Step: Quality Workflow

1

Identify Your Goal

Clearly define what you want to achieve with your PDF document.

2

Choose the Right Tool

Select the appropriate PDFly tool based on your specific needs.

3

Upload Your File

Drag and drop your PDF into the tool. All processing happens in your browser.

4

Apply Changes & Download

Execute the operation and download the result. Your original file stays untouched.

Tips & Best Practices

Always embed fonts to ensure consistent rendering across all viewers

Test PDFs on multiple devices, browsers, and operating systems

Use PDF/A for long-term archival to ensure future compatibility

Optimize for web with linearization for faster online viewing

Create a quality checklist specific to your document type

Common Mistakes to Avoid

Avoid These Common Pitfalls

Not embedding fonts causes text substitution on different systems
Using too-high image resolution wastes space without quality benefit
Not linearizing PDFs for web causes slow loading and poor user experience
Skipping accessibility tags excludes users who rely on screen readers
Not testing across viewers leads to inconsistent rendering

Quality Checklist

0 / 5 completed

All fonts are embedded in the PDF Images are at appropriate resolution for the output medium The PDF is linearized for web viewing Accessibility tags are present for screen readers The PDF has been tested across multiple viewers and devices

Key Takeaways

Font embedding prevents text substitution across viewers

Linearized PDFs load faster on the web

Cross-viewer testing ensures consistent rendering

Frequently Asked Questions

Embed all fonts, use standard color spaces, test across multiple viewers (Acrobat, browsers, mobile), and avoid features that aren't universally supported.

For web viewing, 72-150 DPI is sufficient. For print, use 300 DPI minimum. Higher resolutions increase file size without visible quality improvement.

Linearize (Fast Web View) your PDFs, compress images, reduce file size, and use progressive loading. PDFly's compression tool automatically optimizes for web viewing.

Accessible PDFs have proper tags, reading order, alternative text for images, sufficient color contrast, and keyboard navigation support. Follow WCAG 2.1 guidelines for best results.