Documentation v3.0

Engineering Hub

Deep dives into the algorithms, security protocols, and architecture powering the Sigma-Engine.

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Welcome to PDFTEQ

Announcing the launch of our 19 engineering-grade tools.

Security & Compliance

PDF/A Standard Deep Dive

Algorithmic breakdown of ISO 19005 compliance and archiving.

Watermark Architecture

Vector overlay logic and alpha blending algorithms.

Metadata Architecture

Understanding Info Dictionaries and optimizing properties.

Flatten PDF Architecture

How interactive AcroForms are welded into static content.

Core Processing

Merge PDF Architecture

Metadata-safe document concatenation algorithms.

Split PDF Logic

Advanced page extraction and stream separation.

Structural Compression

Lossless stream optimization techniques.

PDF Repair Architecture

Reconstructing broken XREF tables and headers.

Conversion Engine

PDF to JPG Rasterizer

High-fidelity 300 DPI rendering math.

JPG to PDF Stitching

Algorithmic aspect ratio preservation.

Word to PDF Conversion

Preserving formatting during DOCX to PDF transformation.

PDF to Word Extraction

OCR and text layer recovery (Reflow).

PDF to Excel Tables

Smart-Grid row/column parsing logic.

Content Stream Parsing

Extract raw text data from binary streams.

Page Operations

Add Page Numbers

Dynamic coordinate calculation for headers.

Reorder Pages

Array manipulation for visual page sorting.

Remove Blank Pages

Luminance threshold detection.

Extract Specific Pages

Non-destructive object cloning.

Rotate Document

Matrix transformation of viewports.

Delete Pages

XREF table pruning methods.

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