The All-in-OneOnline Toolbox

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Unit Converter – Length, Weight, Temperature & Volume

Free online unit converter for length, weight, temperature and volume. Instantly convert between US customary and metric units: inches, feet, miles, pounds, ounces, Fahrenheit, gallons, cups and more. Live results as you type with quick one-tap conversions. No sign-up, runs in your browser.

2,333 uses

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Unix Timestamp Converter

Free online Unix timestamp converter. See the current epoch time ticking live, convert any Unix timestamp (seconds or milliseconds) to a human-readable date, or turn a date and time back into a timestamp. Supports local time and UTC, with ISO 8601 output and one-click copy. No sign-up, runs in your browser.

3,143 uses

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Random Picker – Draw a Random Choice

Free online random picker. Add 2-20 options, hit draw and watch the animated roulette land on a fair random choice — with draw history for the session. Perfect for raffles, giveaways, team grouping and everyday decisions. No sign-up, runs in your browser.

3,634 uses

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Random Number Generator — Integers & Decimals

Free online random number generator. Batch-generate unique or repeatable integers and decimals within any range, pick ascending/descending order and a custom separator, then copy or download the results as a TXT file. Crypto-grade randomness, runs entirely in your browser.

4,244 uses 🔥 Hot

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Currency Converter – Live Exchange Rates

Free live currency converter with real-time exchange rates for 160+ currencies. Convert USD, EUR, GBP, CNY, JPY and more instantly. Rates are cached server-side for speed, and all calculations run in your browser. No sign-up required.

3,223 uses

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Camera Test – Check Webcam & Microphone Online

Test your webcam and microphone directly in the browser. Preview the camera, switch between multiple devices, change resolution, flip the mirror, snap a photo, and check your mic level in real time. Nothing is uploaded or recorded on the server.

1,829 uses

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Special Symbols – Copy & Paste Text Symbols

Huge collection of special text symbols to copy and paste: arrows, math signs, currency, punctuation, Greek letters, shapes, stars, hearts, music notes, brackets, fractions, box drawing and keyboard symbols. One click copies any symbol to your clipboard.

2,629 uses

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Redirect Checker – Trace 301/302 Redirect Chains

Free online redirect checker that traces the full redirect chain of any URL: 301, 302, 303, 307 and 308 hops, final destination, and total hop count. Server-side checks with SSRF protection — no install, no sign-up.

1,522 uses