Document Tools
Detect and reconstruct embedded math formulas from vector PDFs: math-font recognition (CMMI/CMSY/CMEX, STIX, Cambria Math), Unicode math, super/subscripts and stacked fractions, AMS equation numbers ((2a)/(2b) subequations) preserved; outputs copyable LaTeX, presentation MathML (MathJax/KaTeX-compatible) and a downloadable .tex bundle.
pdf-latex-mathml-mathjax-formula-extractor-and-equation-number-preserverPDF Tools
Audit a tagged PDF's logical structure tree against PDF/UA-1 (ISO 14289-1) semantics: RoleMap termination, H1-H6 heading hierarchy, Alt text on Figure/Formula, RFC 3066 language tags, illegal nesting, and structure-vs-content MCID reading order — each finding labeled with its Matterhorn Protocol checkpoint.
pdf-logical-structure-tree-validatorPDF Tools
Sign PDFs with a PKCS#12 certificate using an ETSI CAdES detached signature.
pdf-pades-certificate-signerPDF Tools
Permanently remove PDF text and hidden page objects by rebuilding an image-only PDF.
pdf-secure-redaction-sanitizerDocument Tools
Count words, characters, sentences and CJK characters in PDF documents
pdf-word-countDocument Tools
Estimate reading time from PDF word counts, page pacing, and section-level breakdowns
pdf-reading-time-estimatorPDF Tools
Advanced PDF repair with detailed diagnostics, before/after comparison, and repair logging
pdf-repair-enhancedPDF Tools
Rotate PDF pages by specified degrees (90°, 180°, 270°)
pdf-rotateDocument Tools
Convert PDF documents to EPUB e-book format with reflowable content
pdf-to-epubDocument Tools
Extract tabular data from PDF files and convert to Excel spreadsheets with customizable parsing options
pdf-to-excelDocument Tools
Convert PDF documents to HTML web pages with preserved formatting and structure
pdf-to-htmlDocument Tools
Convert PDF pages into a sequence of image files, packaged as a ZIP archive
pdf-to-images