Tools directory
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Showing 12 tools
Developer
Format, convert, test, generate, and compare everyday engineering data.
Regex Tester
Test JavaScript regular expressions against sample text.
Timestamp Converter
Convert Unix timestamps, ISO timestamps, and local dates.
Cron Expression Parser
Explain common five-field cron expressions and next schedule intent.
UUID Generator
Generate random UUID v4 identifiers in the browser.
Lorem Ipsum Generator
Generate placeholder paragraphs for UI and layout testing.
Diff Checker
Compare two text blocks and show line-level differences.
JSON to TypeScript Converter
Generate TypeScript interfaces from JSON objects.
JSON to CSV Converter
Convert arrays of JSON objects into CSV rows.
CSV to JSON Converter
Convert CSV with headers into JSON objects.
SQL Formatter
Format common SQL statements for easier review.
JWT Claim Explainer
Explain registered JWT claims such as iss, sub, aud, exp, nbf, iat, and jti.
API Response Beautifier
Beautify JSON, XML, or text API responses and inspect status metadata.