Innealan — free online utilities
Everything runs in your browser — nothing you paste is ever sent to a server. No sign-up, no limits, no clutter. Fast, free, private.
Popular tools
View all tools →Text & Data
JSON Formatter & Validator
Beautify, minify, and validate JSON with instant error locations.
Text & Data
JSONPath Tester
Query JSON data with JSONPath expressions locally in your browser.
Text & Data
JSON Schema Validator
Validate JSON data against a JSON Schema locally in your browser.
Text & Data
Line Filter
Keep or remove matching lines from text locally in your browser.
Text & Data
Markdown Table Generator
Turn CSV-style rows into a Markdown table locally in your browser.
Text & Data
JSON Diff Checker
Compare two JSON documents and inspect changed paths locally.
Notes
All notes →How to Inspect a JWT Safely
Decode JWT headers and payloads, understand expiry claims, and avoid mistaking decoding for verification.
CSV and JSON Conversion Without Data Surprises
Understand headers, quoted values, and JSON record shapes when converting CSV data.
YAML Validation: Common Errors and a Fast Debugging Workflow
Avoid indentation mistakes, ambiguous values, and malformed YAML with a practical validation workflow.