Developer tool
Your files never leave your device
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Work starts the moment you drop a file
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The table renders in GitHub, most static-site generators, and Markdown-aware editors. It is a simple pipe table, so merged cells, row spans, and nested blocks are not supported.
A literal | inside a cell will be read as a column boundary. Escape it as \| in your source before pasting so the columns line up as intended.
Rows are assembled locally and never uploaded, so tables containing internal data stay on your device.
That is the promise behind every tool here. Files are read in your browser tab, processed there, and discarded when you close it — never uploaded to our servers.
Flatten an array of objects to CSV.
Convert CSV rows to a JSON array.
Format and beautify your messy HTML code instantly in your browser.
Format, validate, prettify and beautify your JSON data instantly.
Format and parse YAML.
Test, visualize, and debug Regular Expressions instantly in your browser.
