Calculate dates, durations, and business days
Schedule meetings for distributed teams
instant temperature conversion between all three scales
Reorder CSV columns by drag and drop or manual order
Find and remove duplicate rows from CSV data by one or more key columns
Swap rows and columns of any CSV table instantly in your browser
highlight word-level and line-level changes between two texts
Calculate mean, median, and mode
Estimate calories burned during exercise
Discover the weekday for any past or future date
Parse cron syntax and preview upcoming scheduled executions
Produce arrays of dates in any format
Find start and end unix timestamps for any date range
Identify Q1–Q4 for any date, any fiscal year start
See the moon phase for any date in one click
Define rules, test compliance, enforce standards
25-minute focus sessions with 5-minute breaks
Find the perfect meeting slot in seconds
Enter semester start date → get current week number
Scan inputs for sql injection patterns instantly
Calculate sunrise, sunset & golden hour for any location
Enter clock-in/out times to sum weekly hours
Sum or difference hours, minutes, seconds across multiple values
Calculate exactly how long ago any moment was
Find start and end dates for any ISO week
Track time across every timezone at once
Analyze a column and infer its data type automatically
cast csv columns to the right type instantly
diff two CSVs and highlight every change
generate descriptive stats from any csv in one click
convert csv to tab-separated values in one click
parse ini sections and keys into structured json
highlight added, removed, and changed keys between two JSONs
translate json objects into ini file syntax
wrap newline-delimited json into a standard array
replace tabs with commas — quotes handled correctly
compare xml structures and highlight differences
Calculate volume of 3D shapes
Add or remove VAT from a price
Calculate tips and split bills
Calculate area of any 2D shape
Find the resulting date after adding or subtracting a duration
Calculate C(n,r) and P(n,r) with full formula breakdown
Find your daily hydration goal in seconds
Find the day-of-year number for any date
Find savings and final price after discount
Reduce any fraction to lowest terms instantly
Calculate fuel expense for any trip in seconds
Find iso week number for any date in one click
Determine leap years and find next / previous instantly
Compute log, ln, or any custom base in one click
Perform matrix operations with step-by-step results
Find the perfect meeting time for every timezone
Start, pause, and record lap times in your browser
Predict your fertile window from cycle data
Calculate % change between two values instantly
Compute xⁿ, roots, and exponents instantly
Estimate your due date from lmp or conception
Break any integer into its prime components
Compute event, union & intersection probabilities
Solve ax²+bx+c=0 — real and complex roots instantly
Simplify and scale ratios instantly
Express numbers in e-notation or expand them back
Enter principal, rate, and time to get interest earned
Wake up refreshed — time your sleep to 90-min cycles
Enter any two values to calculate the third
Find population or sample standard deviation instantly
See current time across all major cities worldwide
Solve any triangle — sides, angles, area, perimeter
Generate printable weekly calendars
Count business days between dates
Calculate BMI from height and weight
Calculate monthly EMI for any loan
Calculate compound interest and final amount
Generate .env example files
Parse .env files safely
Check port conflicts in configs
Generate conventional commit messages
Generate clean Git branch names
Format release notes cleanly
Generate issue templates
Generate pull request templates
Generate mock HTTP responses
Build fake data templates
Calculate pagination values
Estimate API rate limits
Generate feature flag configs
Generate launch checklists
Generate incident update templates
Calculate uptime from downtime
Calculate SLA and SLO targets
Generate form validation rules
Generate shortcut reference tables
Generate iframe and script embeds
Convert timestamps instantly
Convert number base formats
Calculate percentage instantly
Convert unit formats
Convert currency formats
Convert roman numeral formats
Check prime number in one click
Calculate gcd & lcm instantly
Calculate scientific instantly
Calculate bitwise instantly
Calculate aspect ratio instantly
Color Math — free browser-based tool
Calculate date difference instantly
Calculate age instantly
Convert timezone formats
Build cron expressions with visual UI
Format and beautify ISO 8601 code
Calculate week number instantly
Calculate business days instantly
Convert date format formats
Countdown Timer — free browser-based tool
Compare and diff code viewer
Test cron expressions and preview next runs
Build git commands from plain English
Gitignore Generator — free online tool
README Generator — free online tool
Changelog Generator — free online tool
License Generator — free online tool
Validate Environment Variable syntax instantly
Calculate semver instantly
Validate Package.json syntax instantly
Makefile Generator — free online tool
Docker Compose Generator — free online tool
Dockerfile Generator — free online tool
Format and beautify SQL code
SQL to NoSQL — free browser-based tool
Format and beautify GraphQL code
Format and beautify YAML code
YAML to JSON — free browser-based tool
JSON to YAML — free browser-based tool
Format and beautify TOML code
Format and beautify XML code
XML to JSON — free browser-based tool
JSON to XML — free browser-based tool
CSV to SQL — free browser-based tool
SQL to CSV — free browser-based tool
Mock Data Generator — free online tool
Lorem JSON — free browser-based tool
API Mock Generator — free online tool
PHP Serializer/Unserializer — free browser-based tool
Format and beautify PHP var_dump code
Validate Composer JSON syntax instantly
PHP Config Generator — free online tool
PHP Array to JSON — free browser-based tool
htpasswd Generator — free online tool
QR Code Generator — free online tool
Read and decode qr code data
Barcode Generator — free online tool
PDF to Text — free browser-based tool
Merge multiple pdf files into one
Split pdf into separate files
Convert file size formats
Clipboard Manager — free browser-based tool
Preview designs at common screen sizes
Browser Feature Detector — free browser-based tool
Pick emoji with visual preview
Icon Search (Font Awesome) — free browser-based tool
Preview google fonts before deploying
Font Pair Suggester — free browser-based tool
Generate CSS loading spinners
Design CSS buttons with live preview
Notification/Toast Generator — free online tool
Pricing Table Generator — free online tool
Explain terminal commands in plain English
Calculate chmod permissions visually
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