74 Free Calculators

Online Calculators

Fast, accurate, free

Health, finance, math, and developer tools — no login required.

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Health & Fitness

BMI, calories, pregnancy, heart rate

11 tools
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Finance & Math

Loans, interest, investments, math

13 tools
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Developer Tools

Encoders, converters, generators

34 tools
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Base64 Encoder/Decoder

Encode and decode text or files using Base64

Border Radius Generator

Visually generate CSS border-radius values

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Box Shadow Generator

Create and preview CSS box-shadow styles

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Color Code Converter

Convert between HEX, RGB, HSL, and CMYK color codes

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Color Palette Generator

Generate beautiful color palettes from a base color

Cron Expression Parser

Parse and explain cron job schedule expressions

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CSS Grid Generator

Build and export CSS grid layouts visually

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CSV to JSON Converter

Convert CSV data to JSON format instantly

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Diff Checker

Compare two texts and highlight differences

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Dummy Image Generator

Generate placeholder images with custom dimensions

Favicon Generator

Create favicons from emoji or text

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Flexbox Playground

Interactive CSS flexbox layout visualizer

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Font Preview Tool

Preview Google Fonts with custom text

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Gradient Generator

Create and export CSS gradient styles

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Hash Generator

Generate SHA-1 and SHA-256 hashes from text

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HTML Entity Encoder/Decoder

Encode and decode HTML entities

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HTTP Status Code Reference

Look up HTTP status codes and their meanings

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Image Compressor

Compress images client-side without uploading

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IP Lookup Tool

Look up your current IP address and location

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JSON Formatter/Validator

Format, validate, and minify JSON data

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JWT Decoder

Decode and inspect JSON Web Token payloads

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Lorem Ipsum Generator

Generate placeholder lorem ipsum text

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Markdown Preview

Write and preview Markdown in real-time

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Meta Tag Generator

Generate HTML meta tags for SEO

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Number Base Converter

Convert between binary, octal, decimal, and hex

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Password Generator

Generate strong random passwords with custom rules

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QR Code Generator

Generate QR codes from URLs or text

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Regex Tester

Test and debug regular expressions with live match highlighting

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Signature Generator

Create professional HTML email signatures

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SVG Editor

Edit and optimize SVG code with live preview

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Timestamp Converter

Convert Unix timestamps to human-readable dates

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URL Encoder/Decoder

Encode and decode URL query strings and paths

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User Agent Parser

Parse and decode browser user-agent strings

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UUID Generator

Generate random v4 UUIDs in bulk

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Utility Tools

Units, time, text, productivity

16 tools

Free Online Calculators for Every Need

AnyCalc offers 74 free online calculators and tools across health, finance, developer, and utility categories. Every calculator runs entirely in your browser — no sign-up, no data collection, instant results. Whether you need to calculate your BMI, estimate loan payments, encode a Base64 string, or convert units, AnyCalc has you covered.

Health & Fitness Calculators

Track your wellness with our BMI calculator, calorie estimator, heart rate zone finder, pregnancy week tracker, ovulation predictor, protein intake guide, sleep cycle optimizer, and more. All formulas follow established medical and scientific standards.

Finance & Math Calculators

Make smarter financial decisions with compound interest, loan amortization, retirement planning, and stock return calculators. Plus math tools for probability, statistics, trigonometry, GCD/LCM, and prime number analysis.

Developer Tools

Speed up your development workflow with JSON formatting, Base64 encoding, JWT decoding, regex testing, CSS generators, hash generators, and 25+ more tools built for programmers. No installation required.

Utility Tools

Everyday tools for unit conversion, currency conversion, age calculation, GPA computation, typing speed tests, timers, molecular weight calculation, and more. Simple, fast, and always free.

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