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Tools

Small, focused utilities that do one job well. Everything runs locally in your browser — nothing you type is ever sent to a server.

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Password Generator

Generate strong, random passwords with custom length and character rules. Everything runs locally in your browser.

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Typing Speed Test

Measure your typing speed in words per minute with live accuracy tracking.

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QR Code Generator

Turn links, text, or Wi-Fi credentials into a scannable QR code, encoded entirely in your browser and downloadable as PNG.

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Word Counter

Live word, character, sentence, and paragraph counts, plus reading and speaking time, updating as you type.

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Time Zone Converter

Convert any time between world zones with automatic daylight saving handling, plus live clocks in six major cities.

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Case Converter

UPPER, lower, Title, Sentence, camel, Pascal, snake, kebab, CONSTANT — nine cases, one click each.

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JSON Formatter & Validator

Pretty-print or minify JSON with a strict hand-built parser that reports the exact error line and column.

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Hash & Base64 Encoder

MD5, SHA-1, and SHA-256 digests plus URL-safe Base64 encode/decode, computed live in your browser.

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More tools are in the works. Check the calculators section too — it keeps growing.

gizmo421

Free browser-based tools and calculators. Everything runs locally — nothing you type ever leaves your device.

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