Online Toolbox of Free Web Tools for Developers, Marketers, and Creators
All The Tools is a one stop online toolbox packed with fast, free web utilities for developers, marketers, and everyday creators. From password generators and converters to social media helpers and design tools, everything here runs directly in your browser — no sign-ups, no tracking, and no installs.
Quick Start
Use this toolbox to solve quick problems, prototype ideas, or get real work done without jumping between dozens of different sites.
Find the Right Tool in Seconds
Browse the full collection below or use the filters to narrow tools by category, such as generators, converters, calculators, text utilities, and developer tools. Each tool is focused on doing one thing well — fast, private, and distraction-free.
Start Here — Popular Tools
Jump straight to the most-used utilities in the toolbox, perfect for quick tasks and everyday problems.
Showing 126 of 126 tools
Math & Calculators
Calculate percentages, tips, BMI, and convert between number systems including binary, hex, and Roman numerals.
Percentage Calculator
Calculate percentages, increases, and decreases
Tip Calculator
Calculate tips and split bills easily
BMI Calculator
Calculate Body Mass Index and health metrics
Roman Numeral Converter
Convert regular numbers to Roman numerals instantly
Base Number Converter
Convert numbers between binary, octal, decimal, duodecimal, hexadecimal, and base 36
Binary to Decimal Converter
Convert binary (base-2) numbers to decimal (base-10). Essential for programmers and computer science students.
Decimal to Binary Converter
Convert decimal numbers to binary. Perfect for learning computer science and digital electronics.
Binary to Hexadecimal Converter
Convert binary to hex (base-16) for compact representation. Used in programming and color codes.
Hexadecimal to Binary Converter
Convert hexadecimal to binary. Essential for low-level programming and debugging.
Binary to Octal Converter
Convert binary to octal (base-8). Useful for Unix permissions and legacy systems.
Octal to Binary Converter
Convert octal to binary. Common in file permissions and system programming.
Decimal to Hexadecimal Converter
Convert decimal to hex. Essential for color codes, memory addresses, and programming.
Hexadecimal to Decimal Converter
Convert hex to decimal. Used in web development, debugging, and data analysis.
Octal to Hexadecimal Converter
Convert octal to hexadecimal for more compact number representation.
Hexadecimal to Octal Converter
Convert hex to octal. Useful for Unix file permissions and system programming.
Decimal to Octal Converter
Convert decimal to octal (base-8). Used in Unix/Linux file permissions.
Octal to Decimal Converter
Convert octal to decimal. Decode Unix permissions and legacy system values.
Decimal to Duodecimal Converter
Convert decimal to duodecimal (base-12). Used in measurements and alternative math systems.
Duodecimal to Decimal Converter
Convert duodecimal (base-12) to decimal. Decode dozenal number representations.
Binary to Duodecimal Converter
Convert binary to duodecimal (base-12) for alternative number system exploration.
Duodecimal to Binary Converter
Convert duodecimal to binary representation.
Octal to Duodecimal Converter
Convert octal to duodecimal (base-12) numbers.
Duodecimal to Octal Converter
Convert duodecimal to octal representation.
Hexadecimal to Duodecimal Converter
Convert hexadecimal to duodecimal (base-12).
Duodecimal to Hexadecimal Converter
Convert duodecimal to hexadecimal representation.
Decimal to Base-36 Converter
Convert decimal to base-36 (alphanumeric). Used in URL shortening and compact IDs.
Base-36 to Decimal Converter
Convert base-36 to decimal. Decode short URLs and alphanumeric identifiers.
Binary to Base-36 Converter
Convert binary to base-36 for compact alphanumeric encoding.
Base-36 to Binary Converter
Convert base-36 to binary representation.
Octal to Base-36 Converter
Convert octal to base-36 alphanumeric encoding.
Base-36 to Octal Converter
Convert base-36 to octal representation.
Hexadecimal to Base-36 Converter
Convert hex to base-36. Useful for compact alphanumeric encoding.
Base-36 to Hexadecimal Converter
Convert base-36 to hexadecimal representation.
Duodecimal to Base-36 Converter
Convert duodecimal to base-36 encoding.
Base-36 to Duodecimal Converter
Convert base-36 to duodecimal representation.
Percentage Increase/Decrease Calculator
Calculate percentage increase or decrease between two values. Perfect for measuring growth rates, price changes, and comparing values over time.
Discount Calculator
Calculate final price after discount. Find out how much you save with percentage discounts on any purchase.
Sales Tax Calculator
Calculate sales tax amount and total price. Add tax percentage to any purchase to find the final cost.
Profit Margin Calculator
Calculate profit margin percentage from cost and revenue. Essential for business pricing and profitability analysis.
Markup Calculator
Calculate selling price from cost and markup percentage. Determine the right pricing for products and services.
Converters
Convert units of measurement, currencies, and more with real-time exchange rates.
Unit Converter
Convert between different units of measurement
Currency Converter
Convert between world currencies with live rates
Centimeter to Inches Converter
Convert centimeters to inches accurately for height, crafts, or screen sizes.
Inches to cm Converter
Fast inch to centimeter conversion. Perfect for international shipping and sizing.
Miles to km Converter
Convert miles to kilometers for travel, racing, or road trip planning.
km to Miles Converter
Switch kilometers to miles instantly. Ideal for marathons and driving abroad.
Feet to Meters Converter
Accurate feet to meters conversion for architecture, height, and construction.
Meters to Feet Converter
Convert meters to feet and inches for global height and distance standards.
kg to lbs Converter
Kilograms to pounds conversion for fitness goals, gym weights, and luggage.
lbs to kg Converter
Convert pounds to kilograms for medical forms, shipping, and travel.
Kilograms to Grams Converter
Convert kilograms to grams for recipes, lab work, and packaging.
Grams to Ounces Converter
High-precision grams to ounces conversion for cooking, jewelry, and postage.
Ounces to Grams Converter
Convert oz to grams for recipes and laboratory measurements.
Celsius to Fahrenheit Converter
Convert °C to °F for weather, baking, and travel. Quick and accurate.
Fahrenheit to Celsius Converter
Convert °F to °C for science, cooking temperatures, and climate tracking.
Liters to Gallons Converter
Convert liters to US gallons for fuel, water tanks, and large-scale liquids.
ml to oz Converter
Milliliters to fluid ounces conversion for drinks, medicine, and beauty products.
Cups to ml Converter
Convert cooking cups to milliliters for international baking and recipes.
Square Meters to Square Feet Converter
Convert m² to ft² for real estate listings and apartment sizing.
km/h to mph Converter
Convert kilometers per hour to miles per hour for car speeds and racing.
Knots to mph Converter
Convert maritime/aviation knots to miles per hour for sailing and flight.
US Dollar to Euro Converter
Convert US Dollars to Euros. Check USD to EUR exchange rates for travel, shopping, and international transfers.
US Dollar to British Pound Converter
Convert US Dollars to British Pounds. Get current USD to GBP rates for UK travel and purchases.
US Dollar to Japanese Yen Converter
Convert US Dollars to Japanese Yen. Check USD to JPY exchange rates for Japan travel and business.
US Dollar to Canadian Dollar Converter
Convert US Dollars to Canadian Dollars. Get current USD to CAD rates for cross-border shopping.
US Dollar to Australian Dollar Converter
Convert US Dollars to Australian Dollars. Check USD to AUD exchange rates for travel Down Under.
US Dollar to Swiss Franc Converter
Convert US Dollars to Swiss Francs. Get USD to CHF rates for Swiss travel and investments.
Euro to US Dollar Converter
Convert Euros to US Dollars. Check EUR to USD exchange rates for American travel and shopping.
Euro to British Pound Converter
Convert Euros to British Pounds. Get current EUR to GBP rates for UK travel and purchases.
Euro to Japanese Yen Converter
Convert Euros to Japanese Yen. Check EUR to JPY exchange rates for Japan travel and business.
Euro to Canadian Dollar Converter
Convert Euros to Canadian Dollars. Get EUR to CAD rates for Canada travel and transfers.
Euro to Australian Dollar Converter
Convert Euros to Australian Dollars. Check EUR to AUD exchange rates for Australian travel.
Euro to Swiss Franc Converter
Convert Euros to Swiss Francs. Get EUR to CHF rates for Switzerland travel and banking.
British Pound to US Dollar Converter
Convert British Pounds to US Dollars. Check GBP to USD exchange rates for American travel.
British Pound to Euro Converter
Convert British Pounds to Euros. Get current GBP to EUR rates for European travel and shopping.
British Pound to Japanese Yen Converter
Convert British Pounds to Japanese Yen. Check GBP to JPY exchange rates for Japan travel.
British Pound to Canadian Dollar Converter
Convert British Pounds to Canadian Dollars. Get GBP to CAD rates for Canada travel.
British Pound to Australian Dollar Converter
Convert British Pounds to Australian Dollars. Check GBP to AUD exchange rates.
British Pound to Swiss Franc Converter
Convert British Pounds to Swiss Francs. Get GBP to CHF rates for Swiss travel.
Japanese Yen to US Dollar Converter
Convert Japanese Yen to US Dollars. Check JPY to USD exchange rates for American travel.
Japanese Yen to Euro Converter
Convert Japanese Yen to Euros. Get current JPY to EUR rates for European travel.
Japanese Yen to British Pound Converter
Convert Japanese Yen to British Pounds. Check JPY to GBP exchange rates for UK travel.
Japanese Yen to Canadian Dollar Converter
Convert Japanese Yen to Canadian Dollars. Get JPY to CAD rates for Canada travel.
Japanese Yen to Australian Dollar Converter
Convert Japanese Yen to Australian Dollars. Check JPY to AUD exchange rates.
Japanese Yen to Swiss Franc Converter
Convert Japanese Yen to Swiss Francs. Get JPY to CHF rates for Swiss travel.
Canadian Dollar to US Dollar Converter
Convert Canadian Dollars to US Dollars. Check CAD to USD exchange rates for cross-border shopping.
Canadian Dollar to Euro Converter
Convert Canadian Dollars to Euros. Get current CAD to EUR rates for European travel.
Canadian Dollar to British Pound Converter
Convert Canadian Dollars to British Pounds. Check CAD to GBP exchange rates.
Canadian Dollar to Japanese Yen Converter
Convert Canadian Dollars to Japanese Yen. Get CAD to JPY rates for Japan travel.
Canadian Dollar to Australian Dollar Converter
Convert Canadian Dollars to Australian Dollars. Check CAD to AUD exchange rates.
Canadian Dollar to Swiss Franc Converter
Convert Canadian Dollars to Swiss Francs. Get CAD to CHF rates.
Australian Dollar to US Dollar Converter
Convert Australian Dollars to US Dollars. Check AUD to USD exchange rates for American travel.
Australian Dollar to Euro Converter
Convert Australian Dollars to Euros. Get current AUD to EUR rates for European travel.
Australian Dollar to British Pound Converter
Convert Australian Dollars to British Pounds. Check AUD to GBP exchange rates.
Australian Dollar to Japanese Yen Converter
Convert Australian Dollars to Japanese Yen. Get AUD to JPY rates for Japan travel.
Australian Dollar to Canadian Dollar Converter
Convert Australian Dollars to Canadian Dollars. Check AUD to CAD exchange rates.
Australian Dollar to Swiss Franc Converter
Convert Australian Dollars to Swiss Francs. Get AUD to CHF rates.
Swiss Franc to US Dollar Converter
Convert Swiss Francs to US Dollars. Check CHF to USD exchange rates for American travel.
Swiss Franc to Euro Converter
Convert Swiss Francs to Euros. Get current CHF to EUR rates for Eurozone travel.
Swiss Franc to British Pound Converter
Convert Swiss Francs to British Pounds. Check CHF to GBP exchange rates.
Swiss Franc to Japanese Yen Converter
Convert Swiss Francs to Japanese Yen. Get CHF to JPY rates for Japan travel.
Swiss Franc to Canadian Dollar Converter
Convert Swiss Francs to Canadian Dollars. Check CHF to CAD exchange rates.
Swiss Franc to Australian Dollar Converter
Convert Swiss Francs to Australian Dollars. Get CHF to AUD rates.
Text Tools
Count words, change text case, and analyze content for writing and publishing.
Generators
Generate passwords, UUIDs, QR codes, and placeholder text for development and content creation.
Color Tools
Pick colors, generate gradients, and get HEX, RGB, and HSL values for design work.
Time & Date
Convert timestamps, time zones, and work with dates across different formats.
Timestamp Converter
Convert between Unix timestamps and human-readable dates
Time Zone Converter
Convert times between different time zones
Timer & Stopwatch
Online countdown timer and stopwatch with lap tracking and custom presets
Online Timer
Free countdown timer with custom presets and audio notifications
Online Stopwatch
Free stopwatch with lap tracking and local storage
Image Tools
Edit photos, generate icons, and manipulate images with filters and adjustments.
Hardware Tools
Check device compatibility and specifications for streaming hardware.
OCR Tools
Scan barcodes and extract text from images using optical character recognition.
Music & Audio
Convert Morse code, export playlists, and work with audio formats.
Scientific Tools
Chemistry, physics, and scientific utilities
A Practical Online Toolbox — Not a SaaS Trap
This online toolbox is built to stay lightweight and respectful of your time. Tools load fast, work offline when possible, and avoid unnecessary tracking. There are no accounts to create and no features hidden behind paywalls — just useful tools that do their job and get out of the way.
Looking for deeper guides or examples? Many tools include step-by-step tutorials and walkthroughs in the blog, with direct links between the tool and its documentation to help you get the most out of each utility.
Social Media
Tools for social media marketers to format posts, manage content, and optimize engagement.
Social Media Launchpad
Launch and manage social media posts