All tools
Every tool we've built, organized by category. New ones are added every day.
8 tools
Oracle SQL to SQL Server Converter
Paste Oracle SQL and instantly get equivalent SQL Server T-SQL — data types, functions, and syntax converted automatically.
Open tool →SQL Formatter & Beautifier
Paste messy SQL and get back clean, consistently formatted, human-readable queries in one click.
Open tool →SQL Keyword Case Converter
Convert SQL keywords to UPPERCASE or lowercase while leaving names and values untouched.
Open tool →SQL IN Clause Builder
Turn a list of values into a ready-to-use SQL IN () clause, with optional quoting and safe escaping.
Open tool →JSON to SQL Converter
Turn a JSON array of objects into SQL INSERT statements with auto-quoting and NULL handling.
Open tool →CSV to SQL Converter
Turn CSV data into SQL INSERT statements with auto-quoting and NULL handling.
Open tool →SQL Comment Remover
Strip line (--) and block (/* */) comments from SQL while keeping your query formatting.
Open tool →SQL Minifier
Compress SQL by removing comments and whitespace into a single line — with size savings.
Open tool →9 tools
JSON to CSV Converter
Turn a JSON array of objects into CSV with proper headers and escaping — copy or download.
Open tool →CSV to JSON Converter
Paste CSV with a header row and get a clean JSON array of objects instantly — handles quoted fields.
Open tool →Text to PDF Converter
Paste any text and download a clean, multi-page PDF instantly — private and in your browser.
Open tool →PDF to Text Extractor
Pull all the text out of a PDF and copy or download it as a .txt file — private and in your browser.
Open tool →CSV to Excel Converter
Paste or import CSV data and download a real Excel (.xlsx) file — private and in your browser.
Open tool →Excel to CSV Converter
Convert each sheet of an Excel workbook to a CSV file, right in your browser — private and free.
Open tool →Excel to Word Converter
Turn an Excel or CSV spreadsheet into a Word (.doc) document with tables — private and free.
Open tool →Word to PDF Converter
Turn a Word (.docx) document into a clean PDF right in your browser — private and free.
Open tool →PDF to Word Converter
Extract the text from a PDF into an editable Word (.doc) document — private and in your browser.
Open tool →18 tools
cURL to Fetch Converter
Paste any cURL command and instantly get clean, ready-to-use JavaScript Fetch API code — no install needed.
Open tool →JSONPath Expression Tester & Extractor
Paste any JSON and run JSONPath queries to extract exactly the data you need — with live results, match highlighting, and path suggestions.
Open tool →Git Commit Message Builder & Linter
Craft, validate, and copy perfectly formatted Conventional Commits messages in seconds — with live linting and a character-limit preview.
Open tool →CSS Selector Specificity Comparator & Battle Tool
Paste any CSS selectors and instantly see their specificity scores ranked — know exactly which rule wins the cascade without guesswork.
Open tool →CSS Specificity Calculator & Visualizer
Paste any CSS selectors to instantly calculate their specificity scores, compare them visually, and understand exactly which rule wins the cascade.
Open tool →HTTP Status Code Explorer & Response Simulator
Search any HTTP status code for its official meaning, when to use it, typical response headers, and ready-to-copy code snippets.
Open tool →HTTP Header Analyzer & Builder
Paste raw HTTP headers to get a structured breakdown, plain-English explanations, and security warnings for every header field.
Open tool →PX to REM Converter
Convert pixels to rem and rem to pixels with a custom root font size — for responsive, accessible CSS.
Open tool →HTML Minifier
Compress HTML by removing comments and extra whitespace between tags — with size savings.
Open tool →String Escape / Unescape
Escape text for JSON and JavaScript strings (quotes, newlines, tabs) and reverse it.
Open tool →Diff Checker
Compare two blocks of text line by line and see exactly what was added and removed.
Open tool →Markdown Preview
Write Markdown and see the formatted HTML render live, side by side.
Open tool →Unix Timestamp Converter
Convert epoch time to dates and dates to timestamps, with a live current Unix timestamp.
Open tool →JWT Decoder
Decode a JSON Web Token's header and payload, view claims, and check expiry — privately.
Open tool →Number Base Converter
Convert between binary, octal, decimal and hexadecimal instantly — see all four at once.
Open tool →HTML Entities Encoder & Decoder
Convert special characters to HTML entities and back instantly — escape <, >, &, and quotes.
Open tool →URL Encode & Decode
Percent-encode text for safe use in URLs and decode encoded URLs back to readable text.
Open tool →Base64 Encode & Decode
Convert text to Base64 and decode Base64 back to text instantly, with full UTF-8 support.
Open tool →8 tools
Schema Markup Generator
Create JSON-LD structured data for Article, Product, Organization and LocalBusiness to earn rich results.
Open tool →Robots.txt Generator
Create a valid robots.txt to allow or block crawlers, disallow paths, set crawl-delay and add your sitemap.
Open tool →Slug Generator
Turn any title into a clean, SEO-friendly URL slug — lowercase, hyphenated and accent-free.
Open tool →SERP Snippet Preview
See how your title, URL and meta description will look in Google results, with length checks.
Open tool →Keyword Density Checker
See the most frequent words and their density percentage in your content — optimize without stuffing.
Open tool →UTM Builder
Add UTM parameters to any URL to track campaigns in Google Analytics — built instantly.
Open tool →Open Graph Generator
Create Open Graph and Twitter Card meta tags with a live social preview, then copy the HTML.
Open tool →Meta Tag Generator
Create SEO-friendly title, description, keywords and robots meta tags with live counters and copy-ready HTML.
Open tool →9 tools
JPG to PNG Converter
Drop any JPG and get a transparent-background-ready PNG in seconds, entirely in your browser.
Open tool →WebP Converter
Convert JPG and PNG images to WebP with adjustable quality and see the size savings — private and free.
Open tool →Favicon Generator
Create a clean letter-based favicon with custom colors and shape, and download it at 16, 32 and 180px.
Open tool →Image Color Picker
Upload an image and click any pixel to get its HEX and RGB color code.
Open tool →PNG to JPG Converter
Convert PNG images to JPG with adjustable quality and a white background for transparency.
Open tool →Base64 to Image
Paste a Base64 string or data URI to preview the image and download it as a file.
Open tool →Image to Base64
Convert any image to a Base64 data URI, with ready-to-use HTML and CSS snippets — private and free.
Open tool →Image Compressor
Reduce image file size with an adjustable quality slider and see the savings live — private and free.
Open tool →Image Resizer
Resize images to exact dimensions with optional aspect-ratio lock — private and in your browser.
Open tool →11 tools
Reading Level Analyzer & Readability Score Checker
Paste any text to instantly get its readability grade level, reading ease score, and actionable suggestions using four industry-standard formulas.
Open tool →Title Case Converter
Properly capitalize titles and headlines — major words capitalized, minor words lowercased.
Open tool →Line Sorter
Sort lines of text alphabetically, numerically, reverse or shuffle them — with optional de-duplication.
Open tool →Text Repeater
Repeat any word, phrase or line as many times as you want, with your choice of separator.
Open tool →Whitespace Remover
Trim lines, collapse multiple spaces and remove blank lines from text in one click.
Open tool →Find and Replace Text
Replace text online with case-insensitive and regex options, and see how many matches were replaced.
Open tool →Reverse Text
Reverse characters, flip word order, or reverse line order instantly.
Open tool →Remove Duplicate Lines
Delete repeated lines from any list, with options to trim whitespace, ignore case and sort.
Open tool →Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences or words — with one-click copy.
Open tool →Case Converter
Change text to UPPERCASE, lowercase, Title Case, Sentence case, snake_case and more — instantly.
Open tool →Word Counter
Count words, characters, sentences, paragraphs and reading time instantly — free and private.
Open tool →6 tools
Running Pace Calculator
Enter distance and time to get your pace per km and per mile, plus speed in km/h and mph.
Open tool →Water Intake Calculator
Find how much water you should drink daily based on your weight and exercise — in liters, cups and ounces.
Open tool →Ideal Weight Calculator
Estimate your ideal body weight by height and sex using four established medical formulas.
Open tool →Body Fat Calculator
Estimate your body fat percentage from a few tape measurements using the US Navy method.
Open tool →Calorie Calculator
Find your BMR and daily calorie needs (TDEE), plus targets to lose or gain weight.
Open tool →BMI Calculator
Calculate your Body Mass Index in metric or imperial units and see your weight category instantly.
Open tool →9 tools
CSS Animation Generator
Design smooth CSS @keyframes animations with a live preview and export clean, copy-paste CSS code in seconds.
Open tool →CSS Text Gradient Generator
Create eye-catching gradient text with custom colors and angle — live preview and copy-ready CSS.
Open tool →CSS Clamp Generator
Create fluid, responsive font sizes that scale smoothly between a min and max across viewport widths.
Open tool →CSS Minifier
Compress and minify CSS instantly by removing comments and whitespace — with size savings shown.
Open tool →CSS Text Shadow Generator
Design CSS text shadows — adjust offset, blur, color and opacity with a live preview.
Open tool →Glassmorphism CSS Generator
Create the frosted-glass effect with blur, transparency and tint — live preview and copy-ready CSS.
Open tool →CSS Border Radius Generator
Round each corner independently with sliders — live preview and copy-ready CSS.
Open tool →CSS Gradient Generator
Create linear and radial CSS gradients with custom colors and angle — live preview and copy-ready code.
Open tool →CSS Box Shadow Generator
Design CSS box shadows visually — adjust offset, blur, spread and color with a live preview.
Open tool →9 tools
Aspect Ratio Calculator
Find a missing width or height that keeps the original aspect ratio, and see the simplified ratio.
Open tool →Time Duration Calculator
Find the hours and minutes between a start and end time, minus breaks — handles overnight shifts.
Open tool →Fuel Cost Calculator
Estimate the fuel cost of a trip from the distance, your vehicle's fuel economy and the price of fuel.
Open tool →Ratio Calculator
Solve proportions (A:B = C:D) for a missing value and simplify ratios to their lowest terms.
Open tool →GPA Calculator
Enter your course grades and credit hours to calculate your weighted GPA on a 4.0 scale.
Open tool →Discount Calculator
Find the sale price and how much you save from an original price and a percentage off.
Open tool →Tip Calculator
Work out the tip, total, and amount per person for any bill — with quick percentage presets.
Open tool →Age Calculator
Find your exact age in years, months and days, plus total days and your next birthday.
Open tool →Percentage Calculator
Find a percent of a number, what percent one value is of another, and percentage change — instantly.
Open tool →5 tools
Data Storage Converter
Convert between bits, bytes, KB, MB, GB, TB and binary units (KiB, MiB, GiB) — instantly.
Open tool →Speed Converter
Convert between km/h, mph, m/s, knots and ft/s — instantly and accurately.
Open tool →Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin instantly, with the correct formulas.
Open tool →Weight Converter
Convert between grams, kilograms, tons, ounces, pounds and stones — instantly and accurately.
Open tool →Length Converter
Convert between mm, cm, m, km, inches, feet, yards, miles and nautical miles — instantly.
Open tool →9 tools
Scientific Calculator
Evaluate expressions with trig, logarithms, square roots, powers, π and e — type or tap.
Open tool →Roman Numeral Converter
Convert numbers to Roman numerals and Roman numerals back to numbers instantly (1–3999).
Open tool →Fraction Calculator
Add, subtract, multiply and divide fractions and get the answer simplified, with a decimal equivalent.
Open tool →Number to Words Converter
Spell any number in English — including decimals and negatives — ready to copy.
Open tool →Quadratic Equation Solver
Find the roots, discriminant and vertex of any quadratic equation using the quadratic formula.
Open tool →GCD & LCM Calculator
Find the greatest common divisor and least common multiple of two or more numbers instantly.
Open tool →Prime Number Checker
Find out instantly if a number is prime, see its prime factorization, and get the next prime.
Open tool →Standard Deviation Calculator
Compute sample and population standard deviation, variance and mean from your data set instantly.
Open tool →Average Calculator
Find the mean, median, mode, sum, range, min and max of any list of numbers instantly.
Open tool →6 tools
Color Shades Generator
Create lighter tints and darker shades of any color for design systems and hover states.
Open tool →HSL to HEX Converter
Adjust hue, saturation and lightness sliders to get the hex color code, with a live preview.
Open tool →Color Palette Generator
Build harmonious color schemes — complementary, analogous, triadic and monochromatic — from any base color.
Open tool →Color Contrast Checker
Test text and background colors against WCAG AA and AAA standards with a live preview and exact ratio.
Open tool →RGB to HEX Converter
Convert RGB values to a hex color code instantly, with sliders, a live preview and one-click copy.
Open tool →HEX to RGB Converter
Convert hex color codes to RGB and HSL instantly, with a live preview and one-click copy.
Open tool →8 tools
Pomodoro Timer
Work in focused 25-minute sessions with short and long breaks, with a visual countdown and session counter.
Open tool →Time Zone Converter
Pick a time and instantly see it across major world time zones — DST handled automatically.
Open tool →Week Number Calculator
Find the ISO 8601 week number for any date, plus the day of the year and weekday.
Open tool →Add or Subtract Days Calculator
Add or subtract days, weeks, months or years from any date to find the resulting date.
Open tool →Date Difference Calculator
Find the time between two dates in years, months and days, plus total days, weeks and months.
Open tool →Days Until Date Calculator
Find out how many days until any date — plus weeks, months and hours. Works for past dates too.
Open tool →Online Stopwatch
Start, pause, lap and reset a precise stopwatch with millisecond display — right in your browser.
Open tool →Countdown Timer
Count down to any date and time with a live display of days, hours, minutes and seconds.
Open tool →8 tools
Username Generator
Create cool, unique usernames in CamelCase, snake_case or lowercase, with optional numbers.
Open tool →Fake Data Generator
Create realistic dummy records — names, emails, phones, addresses, companies and jobs — and copy as JSON.
Open tool →API Key Generator
Create secure random API keys and tokens with a custom prefix and length — cryptographically random.
Open tool →PIN Generator
Create secure random numeric PIN codes of any length, in bulk — cryptographically random.
Open tool →Random String Generator
Create random strings with custom length and character sets, in bulk — cryptographically random.
Open tool →Hash Generator
Create SHA-256, SHA-1, SHA-384 and SHA-512 hashes from any text — instantly and securely.
Open tool →UUID Generator
Create random version 4 UUIDs (GUIDs) in bulk, with uppercase option and one-click copy.
Open tool →Password Generator
Generate strong, random, secure passwords in your browser — free and private.
Open tool →7 tools
Vigenère Cipher
Encrypt and decrypt text with a keyword using the classic polyalphabetic Vigenère cipher.
Open tool →Text to ASCII Converter
Convert text to ASCII codes and decode ASCII numbers back to text instantly.
Open tool →Text to Hex Converter
Convert text to hexadecimal and decode hex back to text instantly — each character as a two-digit hex code.
Open tool →Text to Binary Converter
Convert text to binary code and decode binary back to text instantly — each character as an 8-bit byte.
Open tool →Morse Code Translator
Convert text to Morse code and decode Morse back to text instantly — letters, numbers and punctuation.
Open tool →Caesar Cipher
Encrypt and decrypt text with any shift value — the classic cipher used by Julius Caesar.
Open tool →ROT13 Encoder & Decoder
Apply or reverse the ROT13 letter cipher instantly — the same action encodes and decodes.
Open tool →7 tools
Cron Expression Parser
Translate a cron schedule into plain English and see each field explained.
Open tool →XML Validator
Check whether your XML is well-formed and get clear error messages for any problems.
Open tool →URL Parser
Break any URL into protocol, host, port, path, query parameters and hash.
Open tool →Credit Card Validator
Check a card number with the Luhn algorithm and detect the card type — private and free.
Open tool →Email Validator
Check whether one or many email addresses are correctly formatted, instantly and in bulk.
Open tool →Regex Tester
Test regular expressions with live match highlighting, flags and capture groups.
Open tool →JSON Formatter & Validator
Beautify, minify and validate JSON instantly — with clear error messages. Free and private.
Open tool →4 tools
Fancy Text Generator
Turn plain text into bold, italic, script, circled, strikethrough and other cool Unicode fonts.
Open tool →Hashtag Generator
Turn keywords into a set of relevant hashtags for Instagram, TikTok and X — copy them all at once.
Open tool →Instagram Caption Counter
Count caption characters against the 2,200 limit and check before the 125-character cutoff.
Open tool →Twitter / X Character Counter
Count characters as you type and stay within the 280-character limit, with live remaining and word counts.
Open tool →6 tools
IMEI Validator
Check whether a 15-digit IMEI number is valid using the Luhn algorithm — instant and private.
Open tool →Bandwidth Converter
Convert between bps, Kbps, Mbps, Gbps and byte-per-second units instantly.
Open tool →Data Transfer Time Calculator
Estimate how long a download or upload takes from the file size and connection speed.
Open tool →MAC Address Generator
Generate random MAC addresses in bulk with your choice of separator and case.
Open tool →IP to Binary Converter
Convert an IPv4 address to binary, hexadecimal and a decimal integer instantly.
Open tool →Subnet Calculator
Enter an IPv4 address and CIDR prefix to get the network, broadcast, mask, host range and usable hosts.
Open tool →7 tools
Transaction Fraud Detector
Paste or enter your transaction history to automatically flag suspicious patterns, duplicate charges, unusual amounts, and potential fraud indicators.
Open tool →ROI Calculator
Calculate your return on investment, net profit and annualized return from the initial and final values.
Open tool →Savings Goal Calculator
Find out how long it takes to reach a savings target from your current savings, monthly contribution and rate.
Open tool →IBAN Validator
Check whether an International Bank Account Number is valid using the mod-97 checksum and length rules.
Open tool →Compound Interest Calculator
See how your savings grow with an initial amount, monthly contributions, rate and compounding frequency.
Open tool →Mortgage Calculator
Estimate your monthly principal & interest, loan amount and total cost from price, down payment, rate and term.
Open tool →Loan Calculator
Calculate your monthly payment, total interest and total repayment from the amount, rate and term.
Open tool →6 tools
Yes or No Decision Maker
Let chance decide with a random Yes, No (or Maybe) answer — quick, fair and fun.
Open tool →Random Color Generator
Generate random hex colors and palettes with one click, and copy any color instantly.
Open tool →Random Name Picker
Paste a list of names and pick a random winner fairly — perfect for giveaways, classrooms and raffles.
Open tool →Coin Flip
Flip a virtual coin for a fair 50/50 heads or tails result, with a fun animation and running tally.
Open tool →Dice Roller
Roll any number of dice with 4 to 100 sides and see each result plus the total.
Open tool →Random Number Generator
Pick random numbers in any range, generate many at once, with an optional no-duplicates mode.
Open tool →