What date formats can I paste?
Most browser-supported date strings work, including ISO timestamps.
Convert a readable date into Unix seconds and milliseconds for APIs, databases and logs.
Convert Unix seconds or milliseconds into readable local and UTC date strings.
Time guideGuideView the current Unix timestamp in seconds and milliseconds with UTC and local time.
Time guideGuideRepair common JSON syntax errors such as trailing commas, comments, single quotes, missing quotes and unmatched brackets.
JSON guideGuideClean up JSON returned by ChatGPT or other AI tools when the response includes markdown fences, comments or invalid syntax.
AI guideGuideRemove trailing commas from JSON objects and arrays so strict JSON parsers can read the data.
JSON guideGuideDecode Base64 text back into readable Unicode text without uploading it to a server.
Encode guideGuideMost browser-supported date strings work, including ISO timestamps.
A date string without a timezone is usually interpreted as local time by the browser.
JavaScript Date timestamps are usually milliseconds.