Text
ASCII Art Generator
Generate ASCII art from text.
Open toolExplore all tools
Search 107 private, browser-based utilities or browse by category.
Popular:
All categories (15)
All tools
107 tools found
Converter
Base64 File Converter
Convert files to Base64 and decode Base64 strings back to files.
Open tool
Converter
Base64 String Converter
Convert text to Base64 and decode Base64 strings back to plain text.
Open tool
Web
Basic Auth Generator
Generate basic authentication credentials for HTTP requests.
Open tool
Measurement
Benchmark Builder
Build and run benchmarks for your code.
Open tool
Crypto
Bcrypt
Bcrypt is a tool for encrypting and decrypting text using the Bcrypt algorithm.
Open tool
Crypto
BIP39 Generator
Generate secure BIP39 mnemonic phrases for cryptocurrency wallets. Create passphrases with different entropy levels and in multiple languages.
Open tool
Video
Camera Recorder
Camera Recorder is a tool for recording video from your camera.
Open tool
Converter
Case Converter
Convert the case of a string and choose between different formats such as lowercase, uppercase, camelcase, and more.
Open tool
Development
Chmod Calculator
Calculate file permissions based on octal, symbolic, and decimal formats.
Open tool
Measurement
Chronometer
Measure the time it takes to complete a task.
Open tool
Converter
Color Converter
Convert colors between different formats such as hex, rgb, and hsl.
Open tool
Development
Crontab Generator
Generate crontab expressions for scheduling tasks.
Open tool
Converter
Date Converter
Free online date-time converter tool. Convert between different date/time formats including timestamps, ISO 8601, RFC standards and more.
Open tool
Web
Device Information
Get information about your device including the operating system, browser, and more.
Open tool
Converter
Email Normalizer
Normalize email addresses by removing extra characters and formatting them correctly.
Open tool
Development
Docker Run to Docker Compose Converter
Convert Docker run commands to Docker Compose files.
Open tool
Text
Emoji Picker
Pick an emoji from the list and copy it to your clipboard.
Open tool
Crypto
Encryption Decrypt
Encrypt and decrypt text using different algorithms like AES, TripleDES, Rabbit, or RC4. This tool processes all data locally for maximum security.
Open tool
Text
Escape HTML
Free online tool to escape and unescape HTML entities. Convert special characters like <, >, &, " and ' to their HTML entities and vice versa.
Open tool
Math
Eta Calculator
Calculate the estimated time of arrival (ETA) for a task.
Open tool
Cheat Sheet
Git Cheat Sheet
A cheat sheet for Git commands.
Open tool
Crypto
Hash Text
Hash a text string using various hash functions: MD5, SHA1, SHA256, SHA224, SHA512, SHA384, SHA3 or RIPEMD160.
Open tool
Crypto
HMAC Generator
Computes a hash-based message authentication code (HMAC) using a secret key and your favorite hashing function.
Open tool
Web
HTTP Status Codes
Complete reference guide for HTTP status codes with meanings, examples, and best practices.
Open tool
Data
IBAN Validator and Parser
Validate and parse IBANs.
Open tool
Converter
Integer Base Converter
Convert numbers between different bases.
Open tool
Network
IPv4 Address Converter
Convert IPv4 addresses between different formats. Like binary, decimal, and ipv6.
Open tool
Development
JSON to CSV
Convert JSON to CSV format easily. Validate and format JSON with JSON5 support. Process your data entirely in the browser with no server uploads.
Open tool
Development
JSON Minify
Minify and compress your JSON by removing unnecessary whitespace. Supports JSON5 format with comments and more flexible syntax.
Open tool
Network
IPv4 Range Expander
Calculate a valid IPv4 subnet from a start and end address range. Get CIDR notation and subnet information with this free online tool.
Open tool
Network
IPv4 Subnet Calculator
Calculate subnet information from IPv4 CIDR blocks. Get network address, mask, range, and more with this free online subnet calculator.
Open tool
Network
IPv6 ULA Generator
Generate your own local, non-routable IPv6 addresses for your network according to RFC4193. Create Unique Local Addresses (ULA) for your internal network.
Open tool
Featured Development
JSON XML Converter
Convert JSON to XML format easily. Transform data between these popular formats with this free online tool.
Open tool
Featured Development
JSON TOML Converter
Convert JSON to TOML format easily. Transform data between these popular formats with this free online tool.
Open tool
Development
JSON YAML Converter
Convert JSON to YAML format easily. Transform data between these popular formats with this free online tool.
Open tool
Featured Development
JSON Formatter
Format and beautify JSON with customizable indentation. Supports JSON5, comments, trailing commas and advanced formatting options.
Open tool
Web
Keycode Info
Get information about a keycode.
Open tool
Development
JWT Parser
Parse and decode JWT tokens.
Open tool
Featured Converter
String to Slug
Convert a string to a slug.
Open tool
Measurement
Convert Inches to Decimal
Convert inches to decimal.
Open tool
Measurement
Convert Decimal to Inches
Convert decimal to inches.
Open tool
Network
Mac Address Generator
Generate random MAC addresses for testing and development.
Open tool
Featured Text
Shrug Emoji Generator
Generate shrug emoji ¯_(ツ)_/¯ in different fonts and styles.
Open tool
New Network
Mac Address Lookup
Lookup the vendor and manufacturer of a device by its MAC address.
Open tool
Featured Text
Brat Generator
Create authentic Charli XCX BRAT album style meme images with custom text and colors. Generate lime green aesthetic images inspired by the iconic Brat album cover. Perfect for social media, fan art, and expressing your brat summer energy!
Open tool
New Image
HEIC to JPEG Converter
Convert HEIC/HEIF images to JPEG format online. Fast, free, and private conversion for Apple iPhone photos with smaller file sizes.
Open tool
New Image
HEIC to PNG Converter
Convert HEIC/HEIF images to PNG format with lossless quality. Free online converter for Apple photos with transparency support.
Open tool
Text
Markdown to HTML Converter
Convert Markdown to HTML with this free online tool. Perfect for creating beautiful documentation, blog posts, and more.
Open tool
Math
Math Expression Evaluator
Evaluate mathematical expressions with this free online tool. Perfect for solving complex equations, calculating values, and more.
Open tool
Crypto
CyberChef
CyberChef is a free, open-source, web-based tool for encryption, decoding, compression, and data analysis. It features a wide range of operations for handling various data formats, including Base64, Hex, and more.
Open tool
Network
WiFi QR Code Generator
Generate WiFi QR codes for easy network sharing. Create scannable QR codes that allow instant WiFi connection without typing passwords. Free online tool with customizable options.
Open tool
Generator
Random Animal Generator
Generate random animals from over 200 species! Perfect for education, games, creative writing, and learning about wildlife. Discover mammals, birds, reptiles, and marine animals.
Open tool
New Image
Bar Chart Generator
Create bar charts with this free online tool. Perfect for creating beautiful charts and graphs.
Open tool
Image
Pie Chart Generator
Create pie charts with this free online tool. Perfect for creating beautiful charts and graphs.
Open tool
Converter
Time to Decimal Calculator
Convert time from hours:minutes:seconds format to decimal hours, minutes, or seconds instantly. Perfect for time to decimal conversion in payroll, timesheet, and billing calculations with 6 decimal precision.
Open tool
Generator
CURP Generator
Generate CURP (Clave Única de Registro de Población) numbers for Mexican citizens. Perfect for creating CURP numbers for your applications.
Open tool
Image
Convert Picture to Black and White
Convert pictures to black and white with this free online tool. Perfect for creating beautiful black and white images.
Open tool
Cheat Sheet
Jupyter Notebook Markdown Cheat Sheet
Master Jupyter Notebook Markdown syntax with this comprehensive cheat sheet. Learn LaTeX math formulas, code blocks, tables, MyST extensions, and advanced formatting techniques for data science documentation. Perfect for Python developers, data scientists, and researchers working with Jupyter notebooks.
Open tool
New Generator
QRCode Generator
Generate QR codes for URLs, text, or any data with custom colors and settings.
Open tool
Generator
Chrome Extension Icon Generator
Generate icons for Chrome extensions. Perfect for creating beautiful icons for your Chrome extensions.
Open tool
New Converter
Julian Date Converter
Convert between Gregorian calendar dates and Julian dates (ordinal date format). Julian date format uses yyddd or yyyyddd where yy/yyyy is the year and ddd is the day of year.
Open tool
Calculator
PFT Calculator
Calculate your PFT score based on your age and gender.
Open tool
Converter
Military Time Converter
Convert military time to standard time.
Open tool
Image
Table Text to Image
Convert text tables to images with this free online tool. Perfect for creating beautiful images of your data.
Open tool
Calculator
Board Foot Calculator
Calculate the board feet of a piece of wood.
Open tool
Featured Converter
Discord Time Converter
Convert time to Discord time format.
Open tool
Calculator
CD Calculator
Calculate Certificate of Deposit (CD) interest earnings with compound interest and tax considerations. Plan your savings strategy.
Open tool
Calculator
Average Wrist Size Calculator
Calculate your wrist size and get recommendations for smartwatches, fitness trackers, and jewelry. Compare with average sizes and find the perfect fit for wearable devices.
Open tool
Calculator
EMI Calculator
Calculate your EMI for a loan. Perfect for calculating your EMI for a loan.
Open tool
Calculator
Body Surface Area Calculator
Calculate your body surface area. Perfect for calculating your body surface area.
Open tool
Calculator
Bra Size Calculator
Calculate your perfect bra size with international sizing support. Get accurate measurements in US, UK, EU, and AU sizes with our free bra fit calculator.
Open tool
Calculator
Ovulation Calculator
Calculate your most probable ovulation date and fertile window based on your last menstrual period. Estimate your best days to conceive.
Open tool
Calculator
Density Calculator
Calculate density, mass, or volume using the equation ρ = m/V. Supports multiple units and includes common material densities.
Open tool
Text
Discord Text Formatting
Format text for Discord. Perfect for formatting text for Discord.
Open tool
New Text
Discord Colored Text Generator
Create Discord colored text with ANSI foreground and background colors, bold, underline, live output, and one-click copy and paste.
Open tool
New Calculator
BAC Calculator
Calculate your BAC (Blood Alcohol Concentration) based on your weight, gender, and the amount of alcohol you've consumed.
Open tool
Text
Text Compare
Compare two text documents side by side and highlight differences. Perfect for finding changes between code, articles, or any text versions with line-by-line diff.
Open tool
New Calculator
Concrete Calculator
Calculate the volume of concrete needed for your project. Perfect for calculating the volume of concrete needed for your project.
Open tool
Calculator
Grade Calculator
Calculate your grade based on your assignments and weights. Perfect for calculating your grade based on your assignments and weights.
Open tool
New Math
Fraction Calculator
Add, subtract, multiply, and divide fractions. Simplify fractions, convert decimals, and work with mixed numbers easily.
Open tool
Calculator
401k Calculator
Calculate your 401k savings and retirement income. Perfect for calculating your 401k savings and retirement income.
Open tool
New Calculator
Tire Size Calculator
Calculate tire dimensions, compare tire sizes, and understand tire codes. Free online tire size calculator with diameter, circumference, and speedometer calibration.
Open tool
Featured Calculator
One Rep Max Calculator
Calculate your one rep max based on your weight and reps. Perfect for calculating your one rep max based on your weight and reps.
Open tool
Calculator
Tile Calculator
Calculate the number of tiles needed for your project. Perfect for calculating the number of tiles needed for your project.
Open tool
Calculator
Date Calculator
Calculate the number of days between two dates. Perfect for calculating the number of days between two dates.
Open tool
New Math
Pythagorean Theorem Calculator
Calculate the missing side of a right triangle using the Pythagorean theorem (a² + b² = c²). Free online calculator with step-by-step solutions.
Open tool
New Calculator
WW Points Calculator
Free Weight Watchers points calculator. Estimate SmartPoints (2015–2021), PointsPlus (2010–2015), original Points (pre-2010), and your daily points target based on nutritional values.
Open tool
New Calculator
Macro Calculator
Free macro calculator. Estimate your daily protein, carbohydrates, and fat needs based on BMR (Mifflin-St Jeor or Katch-McArdle), activity level, and weight goal. US and metric units supported.
Open tool
New Converter
Weight Calculator
Convert weight and mass between different units including kilograms, pounds, ounces, grams, stone, and more. Fast and accurate weight conversion tool.
Open tool
New Calculator
BTU Calculator
Calculate BTU requirements for heating and cooling. Estimate AC BTU needs for rooms and houses based on size, insulation, climate, and other factors.
Open tool
New Crypto
Password Generator
Generate strong, secure, random passwords with customizable length, characters, and options. Free online password generator with entropy calculation.
Open tool
New Calculator
Credit Card Calculator
Calculate credit card payoff time, monthly payments, and total interest. Plan your debt-free journey with our free calculator.
Open tool
New Random
Dice Roller
Free online virtual dice roller. Roll d4, d6, d8, d10, d12, d20 or custom-sided dice. Perfect for tabletop RPGs, Dungeons & Dragons, and board games.
Open tool
New Calculator
Tip Calculator
Calculate tip amount, total bill, and split between people. Supports custom tip percentages, tax rate, and shows a comparison table for common tip rates.
Open tool
New Calculator
Pea Gravel Calculator
Free pea gravel calculator — estimate how much pea gravel you need by area and depth. Get instant results in cubic yards, cubic feet, tons, lbs, kg, and 50-lb bags. Supports rectangle, circle, and custom area input with optional cost estimate.
Open tool
New Calculator
Fuel Cost Calculator
Estimate your trip's fuel cost based on distance, fuel efficiency, and gas price. Supports miles, km, MPG, L/100km, km/L, per gallon, and per liter. Includes round-trip mode and vehicle presets.
Open tool
New Calculator
Gravel Calculator
Free gravel calculator — estimate how much gravel you need by area and depth. Instant results in cubic yards, cubic feet, tons, lbs, kg, and bags. Supports rectangle, circle, and total-area input with material density presets and optional cost.
Open tool
New Calculator
Mulch Calculator
Free mulch calculator — estimate how much mulch you need by area and depth. Instant results in cubic yards, cubic feet, 2-cu-ft bags, and weight. Supports rectangle, circle, and total-area input with mulch types and optional cost.
Open tool
New Converter
Hex to Decimal Converter
Convert hexadecimal to decimal with exact large-number and fraction results, binary output, calculation steps, and signed two's-complement values.
Open tool
New Converter
Binary Converter
Convert binary to decimal and decimal to binary, perform exact binary arithmetic, and view hexadecimal, octal, bit-length, and calculation steps.
Open tool
New Calculator
Average Calculator
Calculate the average, sum, count, median, mode, range, minimum, maximum, and weighted average for a list of numbers.
Open tool
New Calculator
LCM Calculator
Find the least common multiple of two or more integers with exact BigInt results, GCF, prime factorization, formulas, and calculation steps.
Open tool
New Calculator
Dress for Body Type
Find your body-shape profile from shoulders, bust, waist, high-hip, and hip measurements, then get personalized dress, outfit, silhouette, and fit recommendations.
Open tool
New Calculator
Day Counter
Count the days between two dates, or find the date 30, 45, 60, or 90 days from today — with weekday, weekend, and business-day breakdowns.
Open tool
New Calculator
Ratio Calculator
Solve A:B = C:D, find missing ratio values, simplify equivalent ratios, scale proportions, calculate percentages, and view ratio diagrams.
Open tool
New Calculator
Square Footage Calculator
Calculate square footage for rooms, walls, lots, and common shapes with unit conversions, waste allowance, quantity, and material cost.
Open tool