No signup required
Stop writing one-off scripts
Paste your JSON or CSV, get instant results. Built for developers who value their time.
Available Tools
Duplicate Checker
Find duplicate values by any key. Supports single and multi-key detection.
Open tool
Data Mapper
Extract and transform fields. Convert array of objects to simple arrays.
Open tool
Validator
Check required fields, null values, and validate data types.
Open tool
JSON Diff
Compare two JSON objects. Find added, removed, and changed values.
Open tool
JSON Formatter
Beautify, minify JSON. Convert between JSON and CSV formats.
Open tool
UUID Generator
Generate UUIDs, nanoids, or custom IDs in bulk.
Open tool
Base64 / JWT
Encode/decode Base64 strings. Inspect JWT tokens.
Open tool