Coding and developer tools

Free JSON to CSV Converter.

Tabular CSV with nested-field decisions made explicit.

Convert the records you supply into a table and review the mapping decisions before importing the result elsewhere.

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

WHAT TO HAVE READY

JSON records and flattening rules.

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 the data and rules. Review any proposed calculation or code action before approving it, then check a known example.

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 JSON to CSV Converter.

Converting between records and a table requires explicit nesting, type and missing-value rules. Keep reverse conversion as an option on the same utility.

Make the workflow fit your task.

Choose the columns and explicit rules for nested objects, arrays and missing values. Convert records with correct quoting and preserve identifiers as needed, then inspect a round-trip or known row for lost distinctions.

What you provide
JSON records and flattening rules.
What you get
Tabular CSV with nested-field decisions made explicit.

See the input and the result.

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

Example input

Convert [{"id":1,"name":"Ada"},{"id":2,"name":"Lee, Jo"}] to comma-separated CSV with a header and double-quote escaping.

Completed example

id,name
1,Ada
2,"Lee, Jo"
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 every JSON structure be flattened into CSV without a rule?

No. Nested arrays and objects require a representation choice. State whether to expand rows, flatten keys or preserve serialized values.

Why do imported identifiers lose leading zeros?

The receiving spreadsheet may infer numbers. Preserve identifiers as text and check the import settings as well as the generated CSV.

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