Falcon PDF Blog

Work smarter with PDFs

Guides, tutorials, productivity tips and ideas to help people work better with PDF documents.

Falcon PDF editing a document across desktop and mobile
PDF Editing·September 2, 2026·8 min read

How to Edit a PDF: A Complete Guide

Edit any PDF like a pro — change text, add images, rearrange pages, fill forms and annotate — on iOS, Android, Mac, Windows and Linux with Falcon PDF.

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Falcon PDF AI Chat configured with a custom AI provider
AI·August 28, 2026·6 min read

How to Configure Your Own AI Provider in Falcon PDF

Connect OpenAI, OpenRouter, Groq, Together AI, or a local Ollama model and chat privately with your PDFs using your own API key.

Adding a text box to a PDF form in Falcon PDF
PDF Editing·August 20, 2026·5 min read

How to Add Text to a PDF

Type directly onto any PDF — fill flat forms, add notes, insert labels and match fonts — on iOS, Android, Mac, Windows and Linux with Falcon PDF.

Highlighting and commenting on a PDF in Falcon PDF
How-To·August 12, 2026·6 min read

How to Annotate a PDF: Highlight, Comment and Draw

Mark up any PDF with highlights, sticky notes, freehand ink and shapes — perfect for review, study and feedback — across all your devices with Falcon PDF.

PDF Guides·July 30, 2026·6 min read

How to Compress a PDF Without Losing Quality

Shrink large PDFs for email and upload while keeping text crisp — learn which settings matter and how to balance size and quality with Falcon PDF.

PDF Security·July 18, 2026·6 min read

How to Sign a PDF Securely

Add a legally useful signature to any PDF, then lock it down with a password and permissions so it can’t be tampered with — on all your devices with Falcon PDF.