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A growing library covering text, code, math, images, and more.
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Recently Added
The latest tools added to our collection
Polish Notation Calculator
Convert and evaluate expressions between Infix, Prefix (Polish Notation), and Postfix (Reverse Polish Notation) with step-by-step stack operations.
Polar to Cartesian Converter
Convert 2D and 3D polar and cylindrical coordinates (r, θ) into Cartesian rectangular coordinates (x, y) with angle unit options and step-by-step math.
Polar Decomposition Calculator
Compute the polar decomposition of 2x2 and 3x3 real matrices into unitary/orthogonal (U) and positive semi-definite (P) factors with step-by-step math.
Pi Calculator
Calculate and approximate Pi (π) using circle measurements, Archimedes method, Buffon needle Monte Carlo simulation, and Leibniz infinite series.
Phase Shift Calculator
Calculate the phase shift, amplitude, period, frequency, and vertical shift of trigonometric sine and cosine wave functions.
Perpendicular Line Calculator
Find the equation, slope, and intercept of a perpendicular line passing through a given point with step-by-step math and 2D plot.
Perimeter of a Triangle with Fractions Calculator
Calculate the perimeter of a triangle with fractional side lengths or mixed numbers with step-by-step common denominators.
Perimeter of a Rectangle with Given Area Calculator
Calculate the perimeter, missing side length, and diagonal of a rectangle from its area and one known side or dimension ratio.
Perimeter Calculator
Calculate the perimeter and area of common 2D shapes including rectangles, triangles, circles, polygons, trapezoids, and ellipses.
Perfect Square Trinomial Calculator
Check if a quadratic trinomial is a perfect square trinomial, factor it into a binomial squared, and find missing coefficients.
Perfect Square Calculator
Check if any number is a perfect square, find its square root, nearest perfect squares, simplest radical form, and prime factorization.
Perfect Cube Calculator
Check if any number is a perfect cube, find its cube root, nearest perfect cubes, simplest radical form, and prime factorization.
Percent to Goal Calculator
Calculate percentage of a goal achieved, remaining target amount, and progress tracking with step-by-step math.
Time Percentage Calculator
Calculate what percentage of time a duration takes of another total period or find a duration from a percentage with step-by-step breakdown.
Percentage Point Calculator
Calculate percentage point difference, relative percentage change, and basis points between two rates with step-by-step math.
Percentage of a Percentage Calculator
Calculate a percentage of a percentage, chained percentages, and find the final amount from a base value with step-by-step math.
Partial Products Calculator
Multiply numbers step-by-step using the partial products algorithm, area box model, and expanded form with visual place value breakdown.
Partial Fraction Decomposition Calculator
Decompose rational functions and algebraic fractions into partial fractions with step-by-step solutions for linear and quadratic factors.
Parallel Line Calculator
Find the equation of a line parallel to a given line passing through a point, calculate perpendicular distance between parallel lines, and plot them interactively.
Parabola Calculator
Calculate the vertex, focus, directrix, axis of symmetry, intercepts, and equation of any parabola in standard or vertex form with an interactive graph.
Orthocenter Calculator
Calculate the orthocenter of any triangle from vertex coordinates or side lengths with altitude equations, centroid, and circumcenter.
Order of Magnitude Calculator
Calculate the order of magnitude of any number in scientific notation, round to the nearest power of 10, and compare scale differences.
One's Complement Calculator
Convert numbers between decimal and binary one's complement, invert bits, and perform signed binary arithmetic.
Obtuse Triangle Calculator
Calculate obtuse triangle side lengths, angles, area, perimeter, altitudes, and circumradius with step-by-step geometry formulas.
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Fractal Generators
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23 tools
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Name Generators
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PDF & Document Tools
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Physics & Chemistry
170 tools
QR & Barcode Tools
6 tools
Random Generators
59 tools
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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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