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Turn your jsPsych experiment into a shareable dataset.

It creates a file that describes your experiment and its variables, so your data is easier to share, archive, and reuse.

The output follows the Psych-DS standard, so your dataset is understandable to other researchers and software right out of the box.

Web wizard

Point-and-click in your browser. Nothing leaves your computer.

Command-line tool

Generate metadata locally or automate it across many experiment files.

Features

Descriptions from the plugins

Columns are described automatically from the jsPsych plugin that recorded them, and you fill in the rest by hand.

Any jsPsych export

CSV, JSON, and JSON-Lines all work, and your original files are always kept.

Validation built in

The wizard checks your dataset against Psych-DS in your browser before you share it.

See it in action

A Serial Reaction Time experiment, before and after

See how cryptic jsPsych columns like grid and target turn into readable descriptions — then run the tool on the same sample yourself, no upload needed.

See the example →