Web Utils

Generate random strings with custom length, count, and alphabets.

Generate UUID v1, v3, v4, and v5 values.

Encode text to Base64 or decode Base64 back to text.

Format, minify, validate, and inspect strict JSON.

Convert CSV and JSON tables, preview rows, and download results.

Test a regular expression and preview matching text.

Compare text by line or word and inspect changes.

Convert Unix seconds, milliseconds, and dates in UTC and KST.

Parse a cron expression and preview its next run times.

Inspect URLs, edit query parameters, and encode or decode text.

Inspect keyboard event keys, codes, symbols, and locations.

Hover over CSS cursor values to preview their appearance.

Convert HEX, RGB, and HSL colors and check contrast.