Extract Columns and Convert to JSON

Pull only the columns you need from a CSV, then convert the slimmed-down data to JSON.

Beginner~2 mincsvtransformationapi

Use case

Use this when a wide CSV contains many columns but only a subset are relevant, and you want lean JSON for an API, script, or frontend component.

Workflow overview3 steps0 / 3 completed~2 min

What to expect

Follow the steps from left to right for a quick overview, then use the inline stepper below to run each tool.

Pull only the columns you need from a CSV, then convert the slimmed-down data to JSON.

Current focusStep 1 · CSV Column Extractor

0% complete

Step 1csv-tools Waiting

CSV Column Extractor

CSV → CSV

Extract columns

CSV containing only the specified columns.

Step 2csv-tools Waiting

CSV to JSON Converter

CSV → JSON

Convert to JSON

JSON generated from the CSV input.

Step 3json-tools Waiting

JSON Formatter (Pretty Print)

JSON → JSON

Format JSON

Readable, pretty-printed JSON output.

Workflow steps

Run this workflow inline

Work through each tool step here. Running a step automatically prepares the next step with the correct handoff value.

Workflow shortcut

Next unlocked step: Step 1 · CSV Column Extractor

Progress is stored locally in this browser.

Step 1Ready to runcsv-tools

CSV Column Extractor

Keep only the columns you need. Specify column names and get a slimmed-down CSV.

Open full tool

Columns to keep

Comma-separated column names, for example: age,city

CSV input

Paste the CSV to filter and use the separate columns field above to pick columns to keep.

Extracted CSV

CSV containing only the specified columns.

Run this step to process the current input and prepare the next workflow stage.

Step 2Lockedcsv-tools

CSV to JSON Converter

Convert CSV data into JSON format.

Open full tool

Complete the previous step first

This step unlocks automatically after all earlier workflow steps are completed successfully.

CSV input

Paste CSV rows with a header row.

JSON output

JSON generated from the CSV input.

Run this step to process the current input and prepare the next workflow stage.

Step 3Lockedjson-tools

JSON Formatter (Pretty Print)

Pretty-print JSON with consistent indentation.

Open full tool

Complete the previous step first

This step unlocks automatically after all earlier workflow steps are completed successfully.

JSON input

Paste raw or minified JSON.

Formatted JSON

Readable, pretty-printed JSON output.

Run this step to process the current input and prepare the next workflow stage.