Password Generator
Create strong random passwords with adjustable length and character controls.
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Passphrase Generator
Build memorable multi-word passphrases with separators, capitalization, and optional numbers.
Password Strength Checker
Check password quality with instant feedback, scoring, and improvement tips.
Age Calculator
Calculate age in years, months, and days with an optional target date.
Days Between Dates
Measure the difference between two dates in days, weeks, months, and years.
BMI Calculator
Check BMI with metric or imperial inputs and a simple category breakdown.
Percentage Calculator
Work out percentages, percentage changes, and reverse percentage questions quickly.
Discount Calculator
Calculate sale prices, savings, and optional tax in one place.
Word Counter
Count words, characters, paragraphs, sentences, and reading time instantly.
Case Converter
Convert text to uppercase, lowercase, title case, sentence case, and code-friendly formats.
Remove Duplicate Lines
Clean repeated lines from pasted text with case and trimming options.
JSON Formatter
Format, minify, validate, and copy JSON without leaving the browser.
QR Code Generator
Generate QR codes for text, URLs, email, phone numbers, and Wi-Fi details.
Unit Converter
Convert common units for length, weight, temperature, and data storage.
Color Converter
Convert between HEX, RGB, and HSL while previewing the selected color.
Random Name Picker
Spin a visual wheel to pick a name fairly from your own list.
Dice Roller
Roll one or more dice with custom sides and optional modifiers.
Coin Flip
Flip one or more virtual coins and track heads-versus-tails results.
Slug Generator
Turn titles and phrases into clean URL-friendly slugs with separator controls.
Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 back to readable text.
URL Encoder / Decoder
Encode unsafe URL characters or decode percent-encoded strings instantly.
HTML Encoder / Decoder
Convert HTML entities to readable text or encode raw characters for safe display.
Text Compare Tool
Compare two text blocks line by line and spot the first differences quickly.
Remove Line Breaks
Flatten multi-line text into a single line or join lines with a custom separator.
Text Sorter
Sort pasted lines alphabetically with reverse, trim, and unique-line options.
Text Repeater
Repeat any word, phrase, or sentence multiple times with custom separators.
Whitespace Remover
Trim, collapse, or fully remove whitespace from pasted text.
Character Counter
Count characters, words, lines, and reading time from pasted or typed text.
UUID Generator
Generate one or many random UUID v4 values directly in the browser.
Timestamp Converter
Convert Unix timestamps to readable dates and turn dates back into timestamps.
JSON Minifier
Minify JSON and validate syntax before copying compact output.
CSV to JSON Converter
Turn CSV rows into structured JSON arrays with header-based keys.
JSON to CSV Converter
Convert JSON arrays into CSV rows with generated headers and export-ready output.
JWT Decoder
Decode JWT headers and payloads to inspect claims without verifying signatures.
Regex Tester
Test regular expressions against sample text with flags, match counts, and group details.
URL Parser
Break a URL into protocol, host, path, query, hash, and search parameters.
HTML Preview
Preview HTML and inline CSS in a sandboxed browser frame.
CSS Minifier
Minify CSS by removing comments and extra whitespace for compact output.
Gradient Generator
Create linear or radial CSS gradients with live preview and copy-ready code.
Image to Base64
Convert uploaded images into Base64 data URLs directly in the browser.
Base64 to Image Viewer
Preview Base64 image data and download the decoded result in the browser.
Image Resizer
Resize uploaded images by width and height while keeping aspect ratio if needed.
Image Compressor
Compress uploaded images with quality controls and browser-based download output.
Color Palette Generator
Extract a simple color palette from an uploaded image and copy the HEX values.
HEX to RGB Converter
Convert HEX color codes into RGB values with a live preview swatch.
RGB to HEX Converter
Convert RGB values into HEX color codes with a preview and copy-ready result.
File Size Converter
Convert file sizes across bytes, KB, MB, GB, and TB with binary or decimal units.
Countdown Calculator
Count down to a target date and time with live day, hour, minute, and second output.
Add/Subtract Days Calculator
Add or subtract a number of days from any date and get the resulting calendar day.
Time Duration Calculator
Measure the duration between two date-times in days, hours, minutes, and seconds.
Study Timer
Run a focused study countdown with custom duration and simple local settings.
Pomodoro Timer
Run focus and break cycles with browser-based Pomodoro settings and local persistence.
Leap Year Checker
Check whether a year is a leap year and find the nearest leap years around it.
Average Calculator
Calculate average, median, sum, min, and max from a list of numbers.
Ratio Calculator
Simplify ratios, see percentage shares, and split a total based on the ratio.
Unit Price Calculator
Find price per unit to compare product sizes and package deals more clearly.
Tip Calculator
Calculate tip amount, total bill, and per-person share for dining or service bills.
Expense Splitter
Split a shared expense, compare what each person paid, and see simple settlement suggestions.
Yes / No Generator
Generate a quick yes-or-no answer for simple decisions and prompts.
Random Number Generator
Generate random numbers in a custom range with count, unique, and sorting controls.
Random Team Generator
Split a list of names into random teams with balanced group assignment.
Random Choice Picker
Pick one or more options at random from a custom pasted list.
Sentence Counter
Count sentences from pasted text and review word density at a glance.
Paragraph Counter
Count paragraphs, non-empty lines, and overall text structure from pasted content.
Reading Time Calculator
Estimate reading time from pasted text with adjustable words-per-minute speed.
Markdown to HTML
Convert Markdown into clean HTML output with live browser-based formatting.
HTML to Markdown
Convert HTML snippets into Markdown for docs, notes, and content cleanup.
Keyword Density Checker
Check keyword frequency and density percentages from pasted text in the browser.
Extract Emails from Text
Find and list email addresses from pasted text directly in the browser.
Extract URLs from Text
Pull URLs and links from pasted text and review a clean list in the browser.
Duplicate Word Finder
Find repeated words in pasted text and review duplicate counts quickly.
Remove Extra Spaces
Clean repeated spaces and tidy pasted text while keeping the content readable.
XML Formatter
Format and pretty-print XML with indentation and parser feedback in the browser.
YAML to JSON
Convert YAML into formatted JSON directly in the browser.
JSON to YAML
Convert JSON into YAML for config files and human-readable structured output.
SHA256 Generator
Generate SHA-256 hashes from text or uploaded files directly in the browser.
MD5 Generator
Generate MD5 hashes for quick checksums and legacy compatibility workflows.
Decimal to Binary
Convert decimal integers into binary with hex and octal helpers included.
Binary to Decimal
Convert binary strings into decimal values with hex and octal helpers.
Meta Tag Generator
Generate HTML meta tags for titles, descriptions, canonical URLs, and robots directives.
Open Graph Generator
Generate Open Graph and social sharing tags for cleaner link previews.
Robots.txt Generator
Generate robots.txt rules for crawlers, sitemap references, and indexing control.
Sitemap Generator
Generate XML sitemaps from URLs or relative paths directly in the browser.
Roman Numeral Converter
Convert between Roman numerals and decimal numbers in both directions.
HEX to Decimal Converter
Convert hexadecimal and decimal values with binary helpers for quick base checks.
Binary to HEX Converter
Convert binary strings and hexadecimal values with decimal helpers included.
ASCII to Text Converter
Convert text into ASCII codes and decode ASCII values back into readable text.
Compound Interest Calculator
Project compound growth with optional recurring contributions and totals.
BMR Calculator
Estimate basal metabolic rate from age, sex, height, and weight inputs.
Calorie Calculator
Estimate daily maintenance calories with activity and weight-goal adjustments.
Number to Words Converter
Convert numeric values into readable English words in the browser.
GPA Calculator
Calculate GPA from course grades and credits with a practical 4.0 scale workflow.
Loan Calculator
Estimate monthly payment, total repayment, and total interest from basic loan inputs.
Percentage Increase / Decrease Calculator
Calculate percentage increase or decrease between an original value and a new value.
Ideal Weight Calculator
Estimate an ideal weight target and healthy BMI range from height and sex inputs.
Body Fat Calculator
Estimate body fat percentage and related mass values from body measurements.
WiFi QR Generator
Generate Wi-Fi QR codes for guest networks and easy mobile connection.
vCard QR Generator
Create vCard QR codes for contact sharing with phones and scanners.
Image Cropper
Crop uploaded images in the browser with adjustable bounds and downloadable output.
JPG to PNG Converter
Convert JPG or JPEG images into PNG files directly in the browser.
PNG to JPG Converter
Convert PNG images into JPG files with a chosen background color.
Image Rotator
Rotate uploaded images by 90, 180, or 270 degrees directly in the browser.
Image Flipper
Flip uploaded images horizontally or vertically and download the result.
Image Metadata Viewer
Inspect image metadata, dimensions, file details, and EXIF data in the browser.
Image Color Picker
Pick HEX and RGB colors from uploaded images with click-based sampling.
Decision Wheel
Spin a browser-based decision wheel from your own list of options.
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