“data extraction”

Hides or extracts data in images using least-significant-bit steganography and inspects bit planes.

Pulls out every string in a JSON document that is long or contains line breaks.

Extracts text and structure from documents using the MinerU document extraction toolkit.

Collection of single-purpose CSV utilities to convert, swap columns, extract and replace data.

Extracts entities and relations from text using custom labels you define.

Isolates the red marks from an annotated image and overlays them on the original photo.

Collects every valid HTTP link from pasted HTML into a plain list.

Pulls out named entities from text using labels you type in, with no training.

Extracts and pretty-prints JSON-LD blocks and Schema.org types from a page or pasted HTML.

Visualises priority-queue heap operations such as insert, extract and heapify.