# Enrich Pipeline Steps There are nine enrich steps available in the Squirro data processing pipeline. This includes the following steps: - [Unshorten Link](unshorten-link.md#pipeline-steps-unshorten-link) - [Duplicate Detection](duplicate-detection.md#pipeline-steps-duplicate-detection) (also known as _deduplication_) - [Content Augmentation](content-augmentation.md#pipeline-steps-content-augmentation) - [Content Extraction](content-extraction.md#pipeline-steps-content-extraction) - [PDF OCR](pdf-ocr.md#pipeline-steps-pdf-ocr) - [Noise Removal](noise-removal.md#pipeline-steps-noise-removal) - [Thumbnail Extraction](thumbnail-extraction.md#pipeline-steps-thumbnail-extraction) - [Language Detection](language-detection.md#pipeline-steps-language-detection) - [PDF Conversion](pdf-conversion.md#pipeline-steps-pdf-conversion)