Featured Tools
Wellness
7-Day Stress Reset Plan
A private, personalized action plan
Open Tool → TimerPomodoro Timer
Focus timer with breaks
Open Tool → WellnessDetox Timer
Digital detox countdown
Open Tool →Detox Timer
Digital detox countdown
Habit Tracker
Track your daily habits
Pomodoro Timer
Focus timer with breaks
All Tools
Wellness
7-Day Stress Reset Plan
A private, personalized action plan
WellnessBoundary & Request Script Builder
Find clear words for a difficult conversation
WellnessBoundary Phrase Library
Copy and edit practical conversation phrases
Wellness5-Minute Sensory Reset Card
A timed pocket plan for lowering intense input
Private PlannerSensory Load Map
Compare recurring input and build an environment request card
Group PlannerK-pop Group Role Roster
Plan strengths and position coverage for a 3–12 member group
Story StudioPast Life Story Studio
Compose, remix and collect fictional five-scene era stories
WellnessMBTI Couple Conversation Deck
12 conversation cards to draw together
Game ToolPalworld Server Console
INI generator, 53 parameters, commands & backup guide
Game ToolPalworld Server Troubleshooter
Connection, save, settings, mod and lag recovery
Game GuidePalworld Field Guide
24 tactics for progression, Pals, bases, breeding and combat
Game PlannerPalworld Base Planner
Allocate worker roles, production zones and bottleneck fixes
Game NotebookPalworld Breeding Notebook
Track parent pairs, target traits, egg progress and experiment notes
Game Analyzer2048 Board Analyzer
Compare legal moves, board previews and one-step lookahead
Game PlannerDaily Brain Game Circuit
Build a 5–15 minute game playlist and private local streak
Private WorksheetEmotion Regulation Action Planner
Turn a moment into a now–next–later action card
CalculatorShopping Calc
Smart discount calculator
CalculatorBMI Calculator
Body Mass Index calculator
CalculatorTax Refund
Estimate your tax refund
CalculatorUnit Converter
Convert any unit instantly
TimerPomodoro Timer
Focus timer with breaks
TimerD-Day Counter
Count down to important dates
TimerReaction Test
Test your reaction speed
TimerTyping Speed
Measure typing speed in WPM
GeneratorQR Generator
Generate QR codes instantly
GeneratorColor Palette
Create beautiful color palettes
GeneratorPassword Gen
Generate secure passwords
WellnessDetox Timer
Digital detox countdown
WellnessWhite Noise
Relaxing ambient sounds
WellnessAffirmation
Daily positive affirmations
WellnessHabit Tracker
Track your daily habits
TimerTodo List
Simple task manager
TimerRoutine Planner
Plan your daily routine
ConverterExtension Converter
File Renamer
ConverterFile Size
MB GB Bytes
ConverterImage Converter
PNG JPG WebP
ConverterImage Size
Resize Pixels
CalculatorAspect Ratio
16:9 4:3
CalculatorTransfer Time
Download Time
ConverterUnix Time
Epoch Time
ConverterTime Zone
Meeting Time
ConverterCase Converter
Upper Lower
DeveloperJSON Formatter
Validate JSON
Why Use Online Tools?
Online tools save you time and effort. No software to install, no updates to manage, no storage space wasted. Our collection of 25+ free tools runs entirely in your browser - from quick calculations during work to generating QR codes for your business cards.
Each tool is built with modern web technology for instant results and a smooth experience. Whether you need a quick unit conversion or a full Pomodoro focus session, everything is one click away.
Instant Access
Open any tool and start using it in under 2 seconds. No loading screens.
No Installation
Runs in your browser. No downloads, no app store, no disk space needed.
Privacy First
All data stays in your browser. Nothing is sent to servers or stored.
Always Updated
Tools are continuously improved. Always get the latest version instantly.
FAQ
Are these tools really free?
Yes, all tools on DopaBrain are 100% free. No hidden charges, no premium tiers, no subscriptions. Every calculator, timer, and generator is free to use without limits.
Do you store my data?
No. All calculations and data processing happen locally in your browser. We do not send, store, or track any of your personal data or inputs.
Can I use these on mobile?
Absolutely! All tools are fully responsive and work perfectly on phones, tablets, and desktops. Touch-friendly interfaces ensure a great mobile experience.
Are calculations accurate?
Yes. Our calculators use standard formulas and are thoroughly tested for accuracy. However, for critical financial or medical decisions, always consult a professional.
Do I need to create an account?
No account needed. Just open any tool and start using it immediately. No signup, no login, no email required.
Try Our Personality Tests
Discover your personality type, cognitive strengths, and more with our free tests.
Explore Tests →