JSONFORGE
Toolkit

Every instrument, one keystroke away.

Carefully crafted utilities. All local-first. All keyboard-friendly.

JSON Formatter
Pretty-print and indent JSON with instant syntax highlighting.
JSON
JSON Validator
Catch syntax errors with precise line + column hints.
JSON
JSON Minifier
Strip whitespace and ship the smallest payload possible.
JSON
JSON Diff
Side-by-side semantic diff with structural awareness.
JSON
JSON Tree Viewer
Interactive collapsible tree to navigate deep payloads.
JSON
JSON Beautifier
Smart indentation with sort-keys and quote normalization.
JSON
JSON → CSV
Flatten arrays of nested JSON objects into clean, spreadsheet-ready CSV with quoted strings and configurable delimiters.
JSON
CSV → JSON
Parse CSV into typed JSON arrays in one click.
JSON
Base64 Encode/Decode
Encode and decode Base64 with UTF-8 safety.
Encode
JWT Decoder
Decode header, payload and inspect claims locally.
Encode
Regex Tester
Test regular expressions with live match highlights.
Dev
Timestamp Converter
Convert between Unix epoch and human-readable dates.
Dev
URL Encode/Decode
Percent-encode and decode URL components instantly.
Encode
SQL Formatter
Beautify SQL with keyword casing and indentation.
Dev
HTML Previewer
Sandboxed live preview for HTML snippets.
Dev
YAML Tool
Format YAML and convert YAML ↔ JSON in one keystroke.
Dev
XML Tool
Pretty-print XML, validate well-formedness, and round-trip convert between XML and JSON with attribute preservation.
Dev
GraphQL Formatter
Indent and clean up GraphQL queries instantly.
Dev