Convert timestamps, CSV, JSON, and encoded payloads quickly.
Convert Unix timestamps to dates and dates back to seconds or milliseconds.
Convert API timestamps to local and UTC time without sending values to a server.
Encode and decode Base64 or URL text locally.
Handle encoded payloads, query strings, and copied tokens in the browser.
Convert CSV to JSON and JSON to CSV with headers and clear errors.
Transform table data and API fixtures locally before pasting into another tool.