Everything in the catalog

Validates JSON Lines files, such as AI datasets and event logs, and jumps to the failing line.

Review pane for calibrating an LLM judge: load a promptfoo CSV, mark your own labels and see where they differ from the judge.

Line-based diff of two texts with whitespace and case options, side by side or inline, with share link.

Sorts lines A to Z, Z to A, numerically or shuffled, with case and trim options.

Opens CSV, TSV or log files for searching and filtering by column.

Renders pasted markdown live, with copy as HTML or PNG and a share link.

Joins multi-line text into one line with a chosen separator and quote escaping.

Converts numbers between binary, decimal, hexadecimal and other bases.

Decodes PHP serialize() strings, such as WordPress options or transients, into a readable nested dump.

Creates a QR code from text in three sizes, with an optional centre logo and PNG download.

Turns a URL query string into a JSON object.

Tests a regular expression with flags against sample text, shows match counts and supports replace.

Draw a few strokes and a Sketch-RNN model keeps drawing the object, with a model picker for subjects like birds.

Renders pasted SVG code as an image.

Counts lines, words, characters, bytes and approximate tokens as you type.

Removes duplicate items from newline, comma, JSON array or custom-delimited lists.

Separates people from the background in webcam or video frames using TensorFlow.js segmentation models.

Detects a face mesh from webcam or video input using TensorFlow.js models in the page.

Finds hand keypoints in a webcam stream or video using TensorFlow.js models in the browser.

Tracks body keypoints from a webcam or video using MoveNet running through TensorFlow.js.

Type or pick sentences and see which are flagged as profane, sexually explicit or otherwise offensive by a TensorFlow.js model.

Paste an epoch number to see the calendar date and time it stands for.

Converts tab-separated values into structured JSON.

Turns a pasted userscript into an install link and previews its metadata.