All tools run locally — zero data sent

Your data,
precisely handled.

Eight essential data utilities for developers, engineers, and analysts. No sign-up. No servers. Every operation runs in your browser.

AVAILABLE TOOLS

Convert between JSON, YAML, TOML, XML, and CSV instantly. Paste any format and the tool detects it automatically.

Describe your schema and configure query options. Generates production-ready SQL across five dialects.

Decode and inspect JWT tokens instantly. Verify signatures, check expiry, and understand every claim — no guesswork.

Compare two versions of JSON, SQL, or any code side-by-side. Highlights every addition, removal, and change instantly.

Remove or replace PII from JSON, CSV, and SQL dumps before sharing or storing. 9 field types detected automatically.

Validate .env files against a template and decode cron expressions into plain English with a calendar preview.

Test patterns, inspect matches, and understand every token in plain English.

Infer JSON Schema from sample data and validate any JSON against the contract instantly.

Your data,precisely handled.