All Free Tools

JSON Formatter

Format, beautify, and validate JSON data instantly.

Base64 Encoder / Decoder

Encode or decode Base64 strings and files instantly.

URL Encoder / Decoder

Percent-encode or decode any URL or query string.

CSS Minifier

Minify CSS to reduce file size and speed up your website.

HTML Minifier

Strip whitespace and comments from HTML for faster pages.

UUID Generator

Generate random UUIDs (v4) in bulk — one click, no login.

Markdown to HTML

Convert Markdown to clean, semantic HTML in real time.

Regex Tester

Test and debug regular expressions with live match highlighting.

Color Picker

Pick colors and convert between HEX, RGB, HSL, and more.

Hash Generator

Generate SHA-1, SHA-256, and SHA-512 hashes from any text — no upload required.

HTML to Markdown

Convert HTML markup to clean Markdown syntax — reverse of Markdown-to-HTML.

Color Contrast Checker

Check WCAG accessibility contrast ratios between foreground and background colors.

Number to Words

Convert any number into its written English word form — e.g. 1234 → "one thousand two hundred thirty-four."

Invoice Generator

Create and download professional invoices as PDF for free.

Loan Calculator

Calculate monthly repayments, total interest, and amortization.

Compound Interest

See how your money grows with compound interest over time.

VAT / Tax Calculator

Add or remove VAT and calculate net / gross amounts instantly.

Discount Calculator

Calculate sale price after a discount, percentage saved, and original price from sale price.

Image Compressor

Compress JPEG and PNG images without losing visible quality.

Image to Base64

Convert any image to a Base64 data URI — copy and use anywhere.

Meta Tag Generator

Generate SEO-optimized meta tags for your web pages instantly.

Keyword Density Checker

Analyze keyword frequency and density in any text or web page.

Word Counter

Count words, characters, sentences, and reading time instantly.

Case Converter

Convert text to UPPER, lower, Title, camelCase, snake_case and more.

Lorem Ipsum Generator

Generate placeholder lorem ipsum text of any length.

Text Diff Checker

Find differences between two blocks of text, line by line.

Age Calculator

Calculate exact age in years, months, and days from any date of birth.

Percentage Calculator

Calculate percentages — what is X% of Y, what % is X of Y, and percentage change.

Tip Calculator

Calculate tip amount and split the bill between any number of people.

Length Converter

Convert between meters, feet, inches, cm, km, miles, and more.

Temperature Converter

Convert Celsius, Fahrenheit, and Kelvin in real time.

QR Code Generator

Generate QR codes for URLs, text, WiFi, and more — download as PNG.

Password Generator

Generate strong, random passwords with custom length and rules.

BMI Calculator

Calculate your Body Mass Index in metric or imperial units.

Calorie Calculator

Calculate your daily calorie needs based on age, weight, and activity.

GPA Calculator

Calculate your semester GPA and cumulative GPA instantly.

Grade Calculator

Find the grade you need on your final exam to pass your class.

Life Insurance Calculator

Estimate how much life insurance coverage you need based on income, debts, and dependents.

Auto Insurance Estimator

Estimate your annual car insurance premium based on driver profile and vehicle type.

Home Insurance Calculator

Estimate how much home insurance coverage you need and what it might cost.

Health Insurance Premium Estimator

Estimate your monthly health insurance premium based on age, location tier, and plan type.

Insurance Deductible Calculator

Compare high vs. low deductible plans — find out when a higher deductible saves you money.

Term vs. Whole Life Comparison

Compare total cost of term life insurance vs. whole life — see which makes more financial sense.

Insurance Claim Estimator

Estimate your out-of-pocket costs for an insurance claim given your deductible and co-insurance.

Renters Insurance Calculator

Estimate the right amount of renters insurance coverage for your belongings.