SynthPDF Blog
Tutorials, comparisons, and guides on PDFs and AI document tools.
How to Merge PDF Files Online — Complete Guide 2026
Everything you need to know about merging PDFs: browser tools, desktop apps, command-line methods, and when each makes sense.
How to Extract Data from PDFs with AI: Complete Guide
Tables, form fields, invoices, contracts — a complete guide to AI-powered PDF data extraction with examples, code, and tool comparisons.
Resume Formats That Pass ATS in 2026 (With Examples)
Chronological, functional, combination — which resume format actually passes ATS filters in 2026? We tested all three with real ATS systems.
Compress PDFs in Python: 5 Libraries Benchmarked (2026)
We benchmarked PyMuPDF, pypdf, Ghostscript, pikepdf, and img2pdf on 10 real PDFs. Compression ratios, speed, and quality — all measured.
How to Summarize a 200-Page PDF in Seconds with AI
A step-by-step guide to getting accurate, structured summaries from lengthy PDFs — research papers, annual reports, legal contracts, and manuals.
How to Redact Sensitive Information from a PDF
Permanently remove names, account numbers, SSNs and other PII from PDFs — not just hide them with black boxes.
Translate a PDF in 60 Seconds (Any Language)
Step-by-step guide to translating PDFs while preserving the original layout — no copy-paste required.
How to Build an ATS-Friendly Resume in 2026
Most resumes never reach a human. Here's how to write one that passes ATS filters and lands interviews.
How to Compress a PDF Without Losing Quality
Learn how to shrink your PDF file size by up to 80% while keeping text sharp and images crisp.