A versatile set of practical tools for quick conversions, small fixes, formatting, and everyday problem solving. Simple, useful, and ready whenever you need them.
Calculate acceleration from velocity, distance, or force and mass with step by step explanations.
Convert between degrees, radians, and gradians instantly.
Calculate request limits per second, minute, or hour for APIs.
Browse and search the full ASCII character table.
Convert ASCII text into hexadecimal values.
Find the aspect ratio from width and height values.
Calculate audio file size from bitrate and duration.
Generate baby name ideas by gender or neutral style instantly.
Generate UPC, EAN, and Code 128 barcodes instantly. Export as PNG, JPG, or SVG.
Encode and decode Base32 text instantly.
Convert text into Base58 encoding instantly.
Decode Base64 strings into text or files.
Convert instantly between text and binary with clean, simple precision.
Compress multiple images at once in your browser with adjustable quality and format.
Remove bullet points and list markers from any text.
Convert between bytes, kilobytes, megabytes, gigabytes, and terabytes instantly.
Encrypt or decrypt text using the classic Caesar cipher.
Estimate your daily calorie needs for maintenance, weight loss or muscle gain.
Flip lowercase to uppercase and uppercase to lowercase instantly.
Generate SHA and MD5 checksums for text or files.
Parse a raw cookie header into clean JSON format.
Check and understand CORS headers in HTTP responses.
A sleek, accurate countdown timer with smooth animation and full controls.
See how long until your next payday with weekly, fortnightly, or monthly schedules.
Generate cron expressions for scheduled jobs and tasks.
Upload or paste CSV to preview it instantly.
Calculate DPI from pixel size and print dimensions.
Plan your day in a simple hour-by-hour grid.
Find out how many days are in any month and year.
Count how many days are left until any date or event, including weeks and months.
Countdown to Christmas with a live timer showing days, hours, minutes, and seconds.
Spin the wheel to make quick decisions when you cannot choose.
Estimate your due date, current week of pregnancy and trimester from your dates.
Remove emojis from text instantly. Clean your text with one click.
Convert between Unix timestamps and readable dates in Local and UTC.
Pull all numbers from any block of text instantly.
Extract file extensions from a list of filenames or paths.
Estimate how much flooring you need in square meters or square feet including a waste allowance.
Calculate force using mass and acceleration, gravity, momentum change, springs, friction, centripetal motion, or work.
Generate fake lotto tickets, pick your own numbers, and run a fun draw with Lotto, Powerball, and Strike style options.
Convert hexadecimal text into readable ASCII.
Convert HSL values to RGB and HEX with live sliders and a color preview.
Encode and decode HTML entities with advanced options.
Learn what each HTTP method does and when to use it.
Validate IPv4 and IPv6 addresses instantly.
Convert any image to clean black and white in your browser.
Compress JPG, PNG, and WebP images in your browser with adjustable quality. No uploads.
View EXIF, IPTC, XMP, and ICC photo metadata directly in your browser.
Upload an image and extract the dominant colors in your browser.
Rotate and flip images directly in your browser.
Convert inches to pixels using any DPI value.
Convert an existing ISBN-13 into a scannable barcode. Export as PNG, JPG, or SVG.
Convert between multiple ISO date and time formats instantly.
Calculate the ISO 8601 week number for any date.
Compare two JSON objects and highlight differences.
Remove all whitespace to minify JSON for fast loading.
Create signed or unsigned JSON Web Tokens in your browser.
Check when a JSON Web Token expires and how much time remains.
Clean, format, and tidy Kubernetes YAML manifests.
Estimate fertilizer amounts based on lawn size, N target, and product NPK.
Check whether a given year is a leap year.
Create a polished and professional LinkedIn bio in minutes.
Create random lottery lines for popular formats or your own custom game. All numbers are generated locally.
Convert any text from lowercase to UPPERCASE in your browser.
Combine multiple PDF files into one document.
Live countdown to the next New Year with automatic timezone detection.
Write, save, and copy notes locally in your browser.
Remove numbering and list digits from any text.
Estimate how much paint you need for walls and ceilings using American or Metric units.
Create secure random passwords instantly, generated locally in your browser.
Check how strong your password is and understand why.
Format and validate phone numbers for any country worldwide.
Stay productive with 25-minute focus sessions and 5-minute breaks.
Generate calming rain sounds in your browser with intensity, softness, width, and space controls.
Generate fake, realistic looking postal addresses for testing forms and apps.
Discover random country flags and learn their names, continents, and codes — all instantly in your browser.
Generate random first and last names for placeholders, testing, and creative projects.
Generate random numbers instantly.
Generate multiple strong random passwords at once.
Enter a list and let fate decide.
Shuffle text lines into a completely random order.
Remove duplicate lines from text while keeping the first occurrence.
Split rent and utilities fairly between flatmates.
Plan and document REST API endpoints clearly and consistently.
Convert between RGB and HEX color values with a live preview swatch.
Encode or decode text using the ROT13 substitution cipher.
Simple millisecond-accurate stopwatch running locally in your browser.
Convert indentation between tabs and spaces instantly.
Split text into multiple columns using custom separators.
Estimate tiles, waste, and boxes for one or more rooms with pattern and grout options.
Add multiple time durations together and get the total.
Calculate how much time you have wasted on habits, apps, or activities over days, months, and years.
Convert between Unix timestamps and human readable dates easily.
Convert any text into proper title case instantly.
Stay organized with tasks saved locally in your browser.
Estimate travel time based on distance and average speed.
Convert length and weight values quickly.
Convert any text from UPPERCASE to lowercase in your browser.
Decode URL encoded text, parameters, and special characters.
Paste multiple URLs and open them all at once.
Check video bitrate, resolution, duration, container, and codec guess in your browser.
Estimate video file size from bitrate and duration.
Calculate output voltage, currents, and power for simple and loaded voltage dividers.
Count words and characters for each paragraph instantly.
Get a random yes or no answer instantly for quick decisions.
