Documentation v3.0

Engineering Hub

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

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Announcing the launch of our 19 engineering-grade tools.

Security & Compliance

PDF/A Standard Deep Dive

Algorithmic breakdown of ISO 19005 compliance.

Watermark Architecture

Vector overlay logic and alpha blending.

Metadata Architecture

Understanding Info Dictionaries.

Flatten PDF Architecture

Welding forms into static content.

Core Processing

Merge PDF Architecture

Metadata-safe document concatenation.

Split PDF Logic

Advanced page extraction separation.

Structural Compression

Lossless stream optimization.

PDF Repair Architecture

Reconstructing broken XREF tables.

Conversion Engine

PDF to JPG Rasterizer

High-fidelity 300 DPI rendering.

JPG to PDF Stitching

Algorithmic aspect ratio preservation.

Word to PDF Conversion

Preserving formatting during DOCX transformation.

PDF to Word Extraction

OCR and text layer recovery.

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.

Reorder Pages

Array manipulation for 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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