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SRI Hash Generator
Security ToolsGenerate Subresource Integrity hashes to verify external scripts and stylesheets loaded from CDNs haven't been tampered...
Days Between Dates
Date & Time ToolsCalculate the exact number of days, weeks, and months between any two dates with business day counting and calendar visu...
IP Subnet Calculator
Network ToolsCalculate subnet mask, network address, broadcast address, host range, and CIDR notation for IPv4 and IPv6 networks.
Trigonometry Calculator
Math ToolsCalculate sine, cosine, tangent and their inverse functions instantly. Switch between degrees and radians with exact val...
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Test your laptop touchpad functionality - detect taps, gestures, multi-touch, and pointer tracking i...
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text or files. Compare hashes to veri...
Calculate subnet mask, network address, broadcast address, host range, and CIDR notation for IPv4 an...
Convert GPS coordinates between Decimal Degrees, DMS, DDM and UTM formats. Interactive map preview w...
Generate strong random passwords and memorable passphrases with customizable length, characters, and...
Decode and inspect JSON Web Tokens instantly. View header, payload, signature with claims explanatio...
Test your keyboard for broken keys, ghosting, and rollover issues. Supports Full (100%), TKL (80%),...
Test your game controller buttons, joysticks, triggers, D-pad, and vibration. Supports Xbox, PlaySta...
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Freshly added to our collection
Estimate your VO2 max aerobic fitness level using Cooper test, beep test, race results, or heart rat...
Estimate calories burned for 100+ exercises and activities using scientifically-backed MET values fr...
Plan your race pacing strategy with even, negative, or positive splits for any distance from 5K to u...
Interval timer for HIIT, Tabata, EMOM and custom workouts. Set work/rest periods, rounds, sets, and...
Calculate your Wilks-2 and DOTS scores to compare powerlifting performance across different body wei...
Create custom word search puzzles with your own words. Choose grid size, difficulty level, and play...
Track scores for board games, card games, and sports. Add players, manage rounds, view history, and...
Calculate love compatibility using 10 scientifically-inspired factors including personality, values,...
Test your reflexes with visual, audio, and sequence memory challenges. Get instant feedback with per...
Versatile game timer with Chess Clock for 2 players and Turn Timer for up to 8 players. Supports Fis...
Ask the Magic 8 Ball any yes-or-no question and shake to reveal one of 20 classic random answers.
Simulate hacking on screen with realistic code output. Type any key to display code from multiple pr...