filter

Filter Lines by Substring — Drop every line that contains a pattern — or keep only the lines that do. Plain substring matching or full regex.

Image Filters — Apply CSS-grade filters to any image — grayscale, sepia, blur, brightness, contrast, saturation, hue-rotate, invert. Live preview as you...

CSV Filter — Filter CSV rows by any column — contains, equals, regex match, numeric compare, empty / not-empty.

CSV Studio — Drop a CSV file (or load 100-row demo data) and explore it like a power tool: filter rows, sort by multiple columns, bulk-update cells, vis...

Line Filter — Stack multiple filters to strip unwanted lines from a block of text. Each filter says "remove if line contains X", "…does NOT contain Y", ...