Handiwork.tools

52 free browser tools. No signup, no bloat.

Web App Productivity Developer Toolsローンチ 2026年7月12日

Handiwork.tools とは？

Handiwork is a free collection of 52 browser-based tools. No sign-up, no paywalls, no limits. Developer: JSON Formatter, Regex Tester, JWT Decoder, Diff Checker, Cron Explainer Security: AES-256 Encryption, PII Scrubber, Password Generator Converters: Base64, URL, CSV to JSON, Color, Timestamp Calculators: Compound Interest, Loan, GPA, Discount Productivity: Pomodoro, Stopwatch, Notepad Everything runs locally. Your data never leaves your device. handiwork.tools

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