ISO Date Formatter

Normalize messy human-readable dates into strict, database-ready ISO 8601 strings.

This tool has an API.Automate it from your code — 1 credit/call.Open in Playground
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Examples & Use Cases

Input String

10/12/2024 3:30 PM

ISO 8601 Output

{ "iso8601_utc": "2024-10-12T19:30:00.000Z", "date_only": "2024-10-12", "time_only": "19:30:00.000", "timezone_offset": 240 }

ISO 8601 Normalization

When saving dates to Postgres, MongoDB, or transmitting them via JSON APIs, you must use a standardized format.ISO 8601 (`YYYY-MM-DDTHH:mm:ss.sssZ`) is the undisputed international standard. Our formatter takes messy, human-typed dates and normalizes them into pure UTC ISO strings.

About ISO Date Formatter

Normalize messy human-readable dates into strict, database-ready ISO 8601 strings. It's built for date, time and scheduling calculations, runs instantly, and works on any device — no install, no sign-up.

How to use ISO Date Formatter

  1. Paste or type your input into the editor on the left.
  2. Leave the defaults, or tweak them if the tool exposes options.
  3. The result appears instantly on the right — everything runs in your browser, so nothing is uploaded.
  4. Copy the output, or download it, and you're done.

Why use ISO Date Formatter?

  • Fast and local — the transform happens in your browser, so there's no round-trip and no waiting.
  • Private by default — your input never leaves your device.
  • Accurate — the same, well-tested logic powers both this page and the public API.
  • Free — unlimited use in the browser, with an optional API for automation.

Use it from the API

Everything this page does is also available as a REST endpoint, so you can call ISO Date Formatter from your own code, a script or a CI pipeline.

Bash
curl "https://api.toolsxpo.com/v1/iso-date-formatter" \
  -H "Authorization: Bearer txp_live_YOUR_KEY"

The endpoint returns a JSON envelope ({ ok, data, meta }) and costs 1 credit per successful call. Try it in the playground or browse the full API reference.

Frequently asked questions

Is ISO Date Formatter free to use? Yes — use it in the browser as much as you like. The optional API has a free tier and pay-as-you-go pricing for heavy or automated use.

Is my data private? Yes. ISO Date Formatter runs entirely in your browser — your input never leaves your device and nothing is logged or stored.

Can I automate ISO Date Formatter? Yes — call the iso-date-formatter API endpoint from any language and script it into your workflow.

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