Complete resource index
PDF tools, guides, and research directory
Find every public GoPDFConverter resource from one page. Start with the task you need, move to a guide when the tradeoffs matter, or open the research library when you need reproducible measurements and downloadable evidence.
Use a tool when you know the output you need. Read a guide when privacy, quality, or workflow choices matter. Use research and local checkers when a claim needs measurements, fixtures, or independent validation.
Free PDF tools that process files locally
These workflows run in browser memory. Selected document bytes are not sent to GoPDFConverter for file processing; the webpage, public libraries, and anonymous analytics still use ordinary network requests.
Combine and separate
- Merge PDF — combine documents
- Split PDF — create separate files
- Extract PDF Pages — save selected pages
- Delete PDF Pages — keep everything else
Arrange and edit pages
- Organize PDF — reorder pages
- Rotate PDF — fix page orientation
- Crop PDF — change visible boundaries
- Add Page Numbers
- Watermark PDF
Sign, protect, and unlock
- Sign PDF — draw or type a simple signature
- Protect PDF — add password encryption
- Unlock PDF — remove a known password
Convert PDF to another format
- PDF to JPG
- PDF to PNG
- PDF to Text
- PDF to Word
- OCR PDF — text from scans
Create PDF from another format
Reduce file size
- Compress PDF — Light, Balanced, or Maximum
- Compression preset benchmark
- Offline compression guide
Privacy, quality, and workflow guides
Private browser workflows
Quality and conversion
Safety and protection
Open the guide library with descriptions
Open PDF research, calculators, and private checkers
Benchmarks and challenges
PDF preflight and privacy
Image and fixture resources
Open the research library with methods and summaries
Translated PDF tools
Selected core workflows are available in Spanish, Portuguese, Hindi, and Indonesian. English remains the most complete language for guides and research.
Testing, ownership, privacy, and policies
About GoPDFConverter
Ownership, maintainer identity, architecture, project scope, and contact.
How the tools are tested
Real browser workflows, downloadable fixtures, independent output checks, privacy testing, and known boundaries.
How GoPDFConverter works
Local file processing, ordinary website requests, pricing, offline use, output quality, and practical browser limits.
Privacy policy
What the site can and cannot access, analytics, local processing, and retention.
Terms of use
Service limits, acceptable use, disclaimers, and user responsibilities.
Downloads and feeds
Atom feed
Chronological guide, research, and major update discovery.
Schema.org DataCatalog JSON
Structured records and direct distributions for 11 open datasets.
PDF preflight checklist JSON
Twelve reusable checks with print and sharing tracks, evidence fields, risks, limits, and pass conditions.
How GoPDFConverter works — structured summary
Eight plain-language facts about processing, pricing, offline use, output quality, and browser limits, with sources.