dataReady
CSV Cleaner
Remove duplicates and normalize simple CSV data.
Open tool →KERVONI TOOL COLLECTION
Data Tools
Simple local utilities for lightweight data cleanup and browser-first workflows.
dataReady
CSV ↔ JSON Converter
Convert CSV and JSON locally while preserving IDs and validating columns.
Open tool →dataReady
JSON Formatter & Validator
Validate, format or minify JSON without changing number tokens.
Open tool →dataReady
Base64 Encoder & Decoder
Encode and decode UTF-8 text using standard Base64.
Open tool →dataReady
URL Encoder & Decoder
Percent-encode or decode a URL component locally.
Open tool →dataReady
Password Generator
Generate random passwords on your device using Web Crypto.
Open tool →dataReady
Unix Timestamp Converter
Convert Unix seconds, milliseconds and ISO dates with explicit timezones.
Open tool →dataReady
UUID Generator
Generate up to 100 random UUID v4 identifiers on your device.
Open tool →dataReady
SHA Hash Generator
Calculate SHA-256, SHA-384 or SHA-512 hashes of UTF-8 text locally.
Open tool →dataReady
Number Base Converter
Convert signed integers between binary, octal, decimal and hexadecimal without rounding.
Open tool →dataReady
Random Number Generator
Generate random integers in a chosen range, with optional unique results.
Open tool →dataReady
JWT Decoder
Decode a JWT header and payload locally without verifying its signature.
Open tool →dataReady
Regex Tester
Test JavaScript regular expressions and inspect match positions locally.
Open tool →All listed tools are available without an account. Browser-first tools keep local files on your device unless a feature explicitly says otherwise.