46+ free interactive tools for mathematics, science, engineering, and development. Use them alongside our LaTeX editor for a complete workflow.
Plot and explore mathematical functions interactively.
Full-featured scientific calculator with expression history.
Perform matrix operations: add, multiply, transpose, determinant, inverse.
Solve linear, quadratic, and system of equations step by step.
Compute descriptive statistics, distributions, and regression.
Convert between units of length, mass, temperature, volume, and more.
Convert between binary, octal, decimal, and hexadecimal.
Calculate area, perimeter, volume for common geometric shapes.
Balance chemical equations and calculate molecular weights.
Compute derivatives, integrals, and limits step-by-step.
Calculate probabilities and percentiles for common distributions.
Prime factorization, GCD, LCM, and primality testing.
Visually build tables and export as LaTeX code.
Write LaTeX equations with WYSIWYG toolbar and live KaTeX preview.
Format, validate, minify, and beautify JSON data instantly.
Encode and decode Base64 text and files, plus URL encoding.
Test regular expressions with real-time match highlighting and capture groups.
Generate QR codes for URLs, text, WiFi, email, and vCard.
Count words, characters, sentences, paragraphs with reading time estimate.
Format and beautify JSON, HTML, CSS, JavaScript, SQL, and XML code.
Pick colors, convert HEX/RGB/HSL, check WCAG contrast accessibility.
Write and preview Markdown with live rendering and HTML export.
Compare two texts and highlight added, removed, and changed lines.
Convert Unix timestamps to dates and dates to timestamps instantly.
Generate MD5, SHA-1, and SHA-256 hashes from text input.
Generate placeholder text in paragraphs, sentences, or words.
Perform fraction arithmetic, simplify, and compare fractions.
Calculate percentages, percentage change, discounts, and tips.
Calculate loan payments, interest, and amortization schedules.
Calculate Body Mass Index with metric and imperial units.
Generate strong random passwords with customizable options.
Convert text between 12 case formats: UPPER, lower, camelCase, snake_case, and more.
Encode and decode URLs, query strings, and special characters.
Decode and inspect JSON Web Tokens (JWT) claims and headers.
Format, prettify, and minify HTML code with custom indentation.
Minify CSS for production or beautify for debugging.
Convert numbers to and from scientific notation (a ร 10โฟ).
Solve linear, quadratic, and cubic equations step by step.
Calculate trig functions, view identities, and solve triangles.
Quick physics calculations: mechanics, electricity, thermo, waves.
Convert between CSV and JSON formats with custom delimiters.
Format, validate, and minify XML documents instantly.
Convert images to Base64 data URIs for embedding in HTML/CSS.
Generate v4 (random) and v1 (timestamp) UUIDs in bulk.
Generate random integers, floats, sequences, and pick random items.
Analyze readability, syllable count, letter frequency, and more.