Calculators
Password GeneratorSecure random passwords with length and character options.
Age CalculatorCalculate age from date of birth.
Date Difference CalculatorFind years, months, and days between two dates.
BMI CalculatorCalculate body mass index from weight and height.
Percentage CalculatorFind percentage values fast.
Discount CalculatorCalculate final price after discount.
Tip CalculatorCalculate restaurant tips and totals.
GPA CalculatorCalculate GPA from credits and points.
Loan EMI CalculatorEstimate monthly loan payments.
Tax CalculatorAdd tax rate to an item price.
Fuel Cost CalculatorEstimate trip fuel cost.
Text Tools
Word CounterCount words, characters, and lines.
Case ConverterConvert text to uppercase, lowercase, title case, and sentence case.
Slug GeneratorCreate SEO-friendly URL slugs.
HTML Encoder / DecoderEncode and decode HTML entities.
Text CleanerRemove extra spaces and empty lines.
Reverse TextReverse text instantly.
Converters
Length ConverterConvert meters, kilometers, feet, inches, and miles.
Weight ConverterConvert kilograms, grams, pounds, and ounces.
Temperature ConverterConvert Celsius, Fahrenheit, and Kelvin.
Area ConverterConvert square meters, acres, hectares, and more.
Volume ConverterConvert liters, gallons, cups, and milliliters.
Speed ConverterConvert km/h, mph, knots, and m/s.
Time ConverterConvert seconds, minutes, hours, days, and weeks.
Data Storage ConverterConvert bytes, KB, MB, GB, and TB.
Currency ConverterConvert major currencies with live rates when available.
Developer Tools
JSON Formatter & ValidatorFormat, validate, and minify JSON.
URL Encoder & DecoderEncode or decode URL components.
Base64 Text Encoder & DecoderConvert plain text to and from Base64.
UUID GeneratorGenerate secure UUID v4 identifiers.
Unix Timestamp ConverterConvert timestamps to local and UTC dates.
SHA-256 Hash GeneratorCreate hashes from text in your browser.
Regex TesterTest JavaScript regular expressions against text.
HTML PreviewPreview small HTML snippets in a sandboxed frame.
Extra Tool Categories
Finance & Business ToolsInterest, margin, ROI, tax, salary, and break-even calculators.
Date & Time ToolsDays between dates, weekday, week number, business days, and time converters.
Math & Number ToolsAverage, median, ratio, GCD, LCM, prime, factorial, and percentage tools.
SEO & Website ToolsTitle length, meta length, keyword density, slug, heading, link, and sitemap checks.
Random GeneratorsRandom numbers, dice, coin, PIN, OTP, lorem ipsum, usernames, CSS snippets, and teams.
File and Utility Tools
Color Tools
Color PickerPick HEX and RGB values.
RGB / HEX ConverterConvert between RGB and HEX color formats.
CSS Gradient GeneratorCreate linear gradients with CSS output.
Random Color GeneratorGenerate random color palettes.
HSL / RGB ConverterConvert HSL and RGB values.
Complementary Color FinderFind matching complementary colors.
Tool directory
Free online calculators, converters, and browser tools
Quick Solved groups everyday tools into practical categories so visitors can find an age calculator, BMI calculator, percentage calculator, word counter, unit converter, currency converter, JSON formatter, QR code generator, color picker, and SEO checker without browsing through unrelated pages.
The directory is built around the keyword clusters in the local keyword workbook: calculators, text tools, color tools, unit conversion, currency exchange, file conversion, and developer utilities. Each category links to tools and supporting guides for better internal linking and clearer search intent.