Data Formats
Free, private, runs in your browser
JSON, YAML, XML, TOML, and CSV validators, formatters, converters, and diff tools. Plus UUID, ULID, Base64, and IBAN validators.
JSON Viewer
Format and visualize JSON data.
JSON Linter
Validate and lint JSON code.
JSON Minify
Minify JSON to reduce size.
JSON <> YAML
Convert JSON to YAML and YAML to JSON instantly.
TOML YAML JSON Converter
Convert between TOML, YAML and JSON in one tabbed tool. Four conversion modes with live validation, 100% client-side.
JSON <> CSV
Convert JSON to CSV and CSV to JSON format instantly.
JSON Diff
Compare two JSON objects and see differences.
CSV Row & Column Counter
Count rows, columns, and cells in CSV data. Handles quoted fields, auto-detects delimiter, shows column types and empty values.
XML Formatter
Format and prettify XML documents.
XML ↔ JSON
Bi-directional XML to JSON converter with real-time conversion and clipboard support.
YAML Linter
Validate and lint YAML code.
YAML Viewer
YAML linter and validator. Format, validate, and beautify YAML documents with real-time syntax checking.
GZip Compress/Decompress
Compress to gzip/zlib/deflate and back, with Base64 in/out. Native browser streams, nothing uploaded.
UUID Generator
Generate UUIDs (Universally Unique Identifiers). Supports v1, v4, and more.
ULID Generator
Generate ULIDs (Universally Unique Lexicographically Sortable Identifiers).
Base64 String
Encode and decode Base64 strings instantly.
Base64 File
Convert files to and from Base64 encoding.
Phone Parser
Parse and format phone numbers.
IBAN Validator
Validate and parse International Bank Account Numbers.
List Converter
Convert lists between different formats (comma, newline, JSON, etc).