Data Tools

View, edit, parse and render tabular or hierarchical dataset files.

All Data Tools run in-browser. Your files and data never touch a remote backend server.

View and traverse complex JSON data in a collapsible tree display.

Open CSV files in an interactive, spreadsheet-like data grid to edit columns.

Interactively design tables, outputting markup HTML code tags.

Produce responsive bar, line, and pie charts locally, download as image.

Test regular expressions in real-time, displaying matches and group details.

Interactively generate cron schedule timings and read human explanations.

Explore the full directory of standard named colors, their hex codes, and categories.

Search and inspect symbols, characters, and escape strings by name.

Browse emojis by category or search term, copy with a single tap.