webutilities.tools

Validate and Format JSON

Check JSON syntax first, then produce consistently formatted JSON.

Beginner~2 minapivalidationformatting

Use case

Use this workflow before committing JSON files or sending payloads between services so you can catch syntax mistakes and standardize formatting.

Workflow overview2 steps0 / 2 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.

Check JSON syntax first, then produce consistently formatted JSON.

Current focusStep 1 · JSON Validator
0% complete
Step 1json-tools Waiting

JSON Validator

JSON → JSON

Validate JSON

Status and preview for the validated JSON.

Step 2json-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 · JSON Validator

Progress is stored locally in this browser.
1
Step 1Ready to runjson-tools

JSON Validator

Validate JSON syntax and surface parse errors.

Open full tool

JSON input

Paste JSON to validate before continuing.

Validation result

Status and preview for the validated JSON.

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

2
Step 2Lockedjson-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.