Coding and developer tools

Free Cron Expression Generator.

Cron expression with sample occurrences and timezone assumptions.

Prepare a cron schedule from your actual timing requirement and inspect example occurrences before configuring a job.

Chrome extension + account required.
25 free automation tasks/month across tools. Browser-provider limits apply.

WHAT TO HAVE READY

Desired schedule and runtime conventions.

YOUR STARTING POINT

A task you can make yours.

Copy it here. Paste it into WebAct when you are ready.

This page prepares your prompt. The task runs in WebAct.

01

Make the task yours.

Review the prompt above. Add your goal and any requirements that matter.

02

Bring it to WebAct.

Open WebAct, paste the task and provide your source material. Start in Chat for a draft or explanation; use Task when you want an approved browser action or file.

03

Check the useful part.

Check formulas, code and calculations against known inputs in the appropriate runtime. Review actions before execution and keep the original data available.

A PRACTICAL GUIDE

How to use the Cron Expression Generator.

Cron syntax depends on the scheduler and timezone. Provide example occurrences and distinguish five-field Unix syntax from formats with seconds.

Make the workflow fit your task.

Specify the scheduler, field format and timezone, then translate the intended calendar pattern into an expression. Check representative occurrences and relevant daylight-saving behavior in the actual scheduling environment.

What you provide
Desired schedule and runtime conventions.
What you get
Cron expression with sample occurrences and timezone assumptions.

See the input and the result.

Illustrative input and output · a teaching example, not a live WebAct run

Example input

Run at 09:00 every Monday in a five-field Unix scheduler.

Completed example

0 9 * * 1, using the scheduler's configured timezone; verify daylight-saving behavior in that environment.
Download this example

Load this input into the prompt, then copy it to WebAct to try the task. Your result may differ from the illustration.

Decisions and troubleshooting.

Can a five-field cron expression be pasted into every scheduler?

No. Some formats include seconds or use different conventions. Generate for the named runtime and verify its accepted syntax.

Why does a correct expression run at the wrong local time?

Check the scheduler's configured timezone and daylight-saving behavior. The expression alone may not specify either.

Try it with your own source.

Replace the example with your material in the task prompt. Keep the requirements you need, then copy the task into WebAct.

Customize and copy the task ↑
BEFORE YOU BEGIN

Using WebAct.

The prompt and example are available here. Run your task in the WebAct Chrome extension.

Is this tool free?

You can copy and edit the prompt here for free. To use it with WebAct, install the Chrome extension, create and verify your account, and connect an available browser ChatGPT session. The Free plan includes 25 user-started automation tasks per calendar month, shared across tools. Ordinary browser Chat is separate; provider limits apply.

Learn about shared context in our privacy policy and choosing Chat or Task.

FROM A PROMPT TO YOUR OWN WORK

Bring the task to your page.

Install WebAct, add your source material and make the result yours.

Install WebAct