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Fast, focused utilities built for real workflows — no fluff, no sign-ups, no limits.
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Calculations and conversions run directly in your browser — fast and private.
2000+
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A growing library covering text, code, math, images, and more.
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Fresh additions
Recently Added
The latest tools added to our collection
Oblique Triangle Calculator
Solve any oblique (non-right) triangle step-by-step using Law of Sines and Law of Cosines. Handles SSS, SAS, ASA, AAS, and SSA ambiguous cases with area, altitudes, and inradius.
Null Space Calculator
Calculate the null space (kernel) of any matrix step-by-step. Find the nullity, rank, pivot columns, and basis vectors spanning the kernel.
Negative Log Calculator
Calculate negative logarithms -log(x) for base 10, natural log ln, binary log log2, or custom bases. Perfect for pH, pOH, pKa, and entropy calculations.
Multiplying Scientific Notation Calculator
Multiply numbers in scientific notation step-by-step with mantissas, powers of 10, engineering notation, and significant figures.
Multiplying Radicals Calculator
Multiply square roots and higher-index radicals step-by-step with coefficients, different indices, FOIL binomials, and exact simplified radical form.
Multiplying Polynomials Calculator
Multiply polynomials step-by-step using the distributive property, FOIL method, or grid box method with full algebraic breakdown and like term grouping.
Multiplying Exponents Calculator
Multiply powers and exponential terms using the Product Rule, Power of a Product rule, algebraic monomials, and fractional/negative exponents.
Multiplicative Inverse Calculator
Calculate the multiplicative inverse (reciprocal) of integers, fractions, mixed numbers, decimals, and complex numbers with step-by-step simplification.
Moment of Inertia Calculator
Calculate the second moment of area (Ix, Iy), polar moment of inertia (J), section modulus, and radius of gyration for standard geometric shapes.
Modulo Order of Operations Calculator
Evaluate arithmetic expressions with modulo and PEMDAS precedence, compare operator conventions, and view step-by-step solutions.
Modulo of Negative Numbers Calculator
Calculate modulo operations with negative dividends and divisors across Python/floored, C/truncated, Euclidean, and ceiled conventions.
Mobius Strip Calculator
Calculate geometric dimensions, surface area, edge boundary length, aspect ratio, and cutting topology of a Möbius strip.
Mixed Number Calculator
Perform arithmetic operations on mixed numbers and fractions with step-by-step solutions, improper fraction conversion, and simplification.
Miracle Calculator
Calculate expected miraculous events over time using Littlewood's Law and probability analysis.
Midsegment of a Triangle Calculator
Calculate midsegment lengths, medial triangle perimeter and area, and midpoint coordinates using the Triangle Midsegment Theorem.
Mayan Numeral Converter
Convert numbers to Mayan numerals with authentic base-20 vigesimal glyphs, position values, and calendar system modes.
Matrix Norm Calculator
Calculate Frobenius norm, 1-norm (max column sum), infinity-norm (max row sum), spectral norm, and entrywise norms with step-by-step formulas.
Matrix Scalar Multiplication Calculator
Multiply or divide any matrix by a scalar value with step-by-step element calculations, LaTeX export, and matrix properties.
Manhattan Distance Calculator
Calculate the Manhattan (taxicab) distance between two points in 2D, 3D, and 4D space with Euclidean comparison and step-by-step math.
Luhn Algorithm Calculator
Validate numbers with the Luhn mod 10 algorithm and compute check digits for credit cards, IMEI, and identification numbers with step-by-step math.
Lowest Common Denominator Calculator
Find the lowest common denominator (LCD) for two or more fractions with step-by-step prime factorization, LCM, and equivalent fractions.
Log Base 2 Calculator
Calculate the binary logarithm log2(x), find powers of 2, bit length, and change of base with step-by-step math and formulas.
Line of Intersection of Two Planes Calculator
Find the parametric and symmetric equations of the line where two 3D planes intersect, with direction vector, common point, angle, and step-by-step cross-product.
Linear Interpolation Calculator
Calculate interpolated and extrapolated values between two coordinates with slope, equation of the line, step-by-step formula, and live interactive graph.
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44 categories — pick one to explore its tools
Agriculture & Horticulture
39 tools
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Data Conversion
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Environment Sustainability
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Finance Calculators
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Food Cooking
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Fractal Generators
45 tools
Gaming Tools
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371 tools
Image Manipulation
131 tools
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List Tools
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23 tools
Math Calculators
442 tools
Miscellaneous tools
267 tools
Name Generators
10 tools
Network Tools
25 tools
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18 tools
Paycheck Calculators
70 tools
PDF & Document Tools
3 tools
Physics & Chemistry
170 tools
QR & Barcode Tools
6 tools
Random Generators
59 tools
Real Estate Finance
50 tools
Social Media Tools
25 tools
Statistics & Data Analysis
131 tools
Text Editors & Viewers
6 tools
Text Processing
101 tools
Time & Date
159 tools
Travel & Automotive
50 tools
Unicode Tools
43 tools
Unit Converters
180 tools
Utilities
45 tools
Weather & Environment
6 tools
Web & SEO Tools
23 tools
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On the roadmap
Coming Soon
New mini-tools we're building next.
Html to Jsx
Convert HTML file to JSX online
Instagram Reel Downloader
Download and save Instagram videos locally with our Instagram Reel Downloader. No signup required.
Instagram Reel Thumbnail Downloader
Save thumbnails from any reel
Always free
No subscriptions, credits, or paywalls. Every tool on the site is free to use.
Privacy first
Processing happens client-side whenever possible. Your data never leaves your browser.
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From the blog
Latest Blog Posts
Tips, guides, and insights from our team
How to Download a Website Favicon (Free Online Method)
Download any website's favicon in PNG or ICO format. Step-by-step guide for developers and designers using a free favicon downloader.
JWT Token Decoding Explained: How to Read JWT Payloads Safely
Learn how JWT tokens work, what header and payload contain, and how to decode JWT online without exposing secrets. Free JWT decoder guide.
How to Take a Screenshot in Your Browser (Free Tool Guide)
Capture full pages or visible areas in your browser without extensions. Step-by-step guide to our free online screenshot tool.
Stock Splits Explained: What They Are, How They Work, and How to Calculate New Shares
Understand forward and reverse stock splits, how to calculate new shares, cost basis adjustments, and why companies split stock. Free split calculator included.
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