JSON validator

Make broken JSON understandable.

Data workspace

Ready in this tab

Source

0 B Processed locally

Paste data or choose a file to begin.

Analysis results

Analysis canvas

Ready when you are.

  1. Add a local file or paste data.
  2. Analyze format, quality, and likely sensitive fields.
  3. Review, clean, and export the in-tab working copy.
01 / Parse

Know the shape of the data.

Detect delimiters, validate structured text, and surface useful error locations.

02 / Review

Spot quality and privacy risks.

Measure completeness, duplicates, mixed values, and likely identifiers before sharing.

03 / Prepare

Clean a working copy locally.

Trim, deduplicate, mask, infer a schema, and export without changing the original file.

Focused utilities

Start with the job in front of you.

Every route opens the same private engine with guidance tailored to that format.

Practical guide

Validate structure, then inspect the data

A syntactically valid payload can still contain duplicate records, inconsistent value types, missing keys, or sensitive fields. Parse The Data goes beyond pretty-printing by profiling the records after validation.

  • 01Locate malformed JSON with a readable line and column.
  • 02Normalize arrays, objects, and common nested record collections.
  • 03Inspect inferred types and missing keys across records.
  • 04Export formatted JSON, JSONL, CSV, or an inferred JSON Schema.
Does Parse The Data upload my files?

No. Parsing, profiling, cleanup, and export run inside your browser tab. The application does not send dataset contents to our server or any third party.

What file types are supported?

The first release supports CSV, TSV, JSON, and JSON Lines (JSONL or NDJSON), including pasted text and local files.

Can it detect every privacy risk?

No. The privacy scan uses deterministic patterns and column-name hints. It can find common emails, phone numbers, IP addresses, SSNs, and payment-card patterns, but it is not a substitute for a formal privacy review.

Designed for restraint

The server delivers the tool. It never receives the dataset.

Parsing runs in a separate browser thread. There are no accounts, upload endpoints, third-party scripts, advertising trackers, or cloud storage in the analysis path.

Use the PII scan as an early warning—not as legal advice or a compliance certification.