UtilVox
🛠️
Category · Utility

Utility tools, all of them.

Browse 23+ free tools, all running in your browser.

23tools
3.8Mmonthly uses
4.9★avg rating
🔢
New
Convert numbers dynamically between Binary, Octal, Decimal, Hex, and custom bases 2-36.
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📄
New
Generate standard freelance, service, NDA, and rental agreements in seconds with flexible templates.
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🧾
New
Create professional, downloadable PDF invoices instantly with custom branding and automated calculations.
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✖️
New
Convert numbers dynamically between scientific, standard, e-notation, and engineering notation with high precision.
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🔢
New
Perform matrix addition, subtraction, multiplication, inverse, transpose, rank, determinant, and eigenvalues instantly with detailed calculations.
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📊
New
Compute standard deviation, mean, median, variance, percentiles, skewness, outliers, and render beautiful interactive Box-plots.
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📐
New
Solve quadratic equations ax² + bx + c = 0 step by step with real-time dynamic interactive graphing.
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🌳
New
Decompose any number into prime factors, render beautiful dynamic Factor Trees, and calculate GCD/LCM.
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🧮
New
Calculate combinations C(n,r) with or without repetitions using high-precision BigInt engines, trace formula steps, list subsets, and view Pascal's rows.
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🔀
New
Calculate permutations P(n,r) with or without repetition, circular, multiset, word anagrams, trace detailed formulas, and list arrangements.
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🎲
New
Calculate basic, conditional, Venn overlapping events, Bayes Theorem, binomial and normal distributions with interactive bell-curves and Venn diagrams.
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🚀
New
Solve speed, distance, or time equations, utilize an interactive formula triangle, and compute multi-leg journey total splits.
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New
Solve for Voltage, Current, Resistance, or Power using any two known variables with interactive wheel selectors and dynamic circuit schematic updates.
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⚖️
New
Calculate density, mass, or volume with dynamic formula triangles, 30+ material presets database, and dynamic buoyancy simulation checks.
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🎲
New
High-entropy cryptographic dice rolling for technical and tabletop precision.
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👤
New
Generate context-aware names for characters, businesses, and digital identities.
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⏱️
New
High-precision timing engine with sub-millisecond accuracy and lap analytics.
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🍅
New
Engineering deep focus through scientific interval management.
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🌐
New
High-precision global time synchronization with temporal comparison engine.
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⌨️
New
Master your keyboard rhythm with real-time WPM diagnostics and performance analytics.
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📅
New
Coordinate across borders with our high-precision time zone synchronization engine.
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🔊
New
Convert text to natural-sounding human speech instantly with neural AI synthesis.
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🎙️
New
Convert speech to high-precision text in real-time with neural processing.
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