Tournament Bracket
Visual bracket maker with image upload, auto seeds, and final champion.
Time playedNo games yet
Last gameNever played
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Calculators
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PercentageBMICompound InterestNormal
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Units, currencies, dates, timestamps, and technical formats for personal and professional tasks.
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UUID, QR codes, passwords, Lorem Ipsum, CPF/CNPJ, PIX, and other generators for testing, prototypes, and everyday tasks.
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Formatters, decoders, encoders, Markdown preview, regex and utilities for payloads, APIs and debugging.
JSON FormatterJWT DecoderRegex TesterCron
Explore categoryMiscellaneous
Raffles, decision wheels, dice rollers, heads or tails and RPG name generator.
Name PickerDecision WheelRPG Name GeneratorHeads or Tails
Explore categoryGames
Simple browser games with records and progress saved in this browser.
SudokuMinesweeperP4L4VR4Checkers
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Popular tools with direct access
A selection of utilities to help you get started quickly and choose the right tool for each task.
Calculators
Complete Compound Interest Calculator
Simulate contributions, equivalent rate, growth chart and complete monthly table.
AccessCalculators
Percentage Calculator
Solve percentage of value, proportion and percentage change in real time.
AccessGenerators
CPF or CNPJ Generator
Generate numeric and alphanumeric CPF, CNPJ for testing and demonstrations.
AccessMiscellaneous
Professional JSON Formatter
Validate, format, and reorganize JSON to read and share payloads more clearly.
AccessGenerators
UUID v4 Generator
Create individual or batch UUIDs with local history and quick copy.
AccessGenerators
QR Code Generator
Create QR Codes for text, URL, PIX, Wi-Fi and contact with PNG download.
AccessConverters
Currency Converter
Compare values between currencies and check the rate used for each conversion.
AccessMiscellaneous
Markdown Editor
Write Markdown with real-time preview, statistics and quick copy.
AccessMiscellaneous
Base64 Encoder and Decoder
Convert content to Base64 and recover original text with Unicode support.
AccessPopular games
Simple browser games to play and resume
Play quick matches, follow your records, and resume progress saved in this browser.
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Sudoku
Logic puzzle grid with saved progress to resume anytime.
Time playedNo games yet
Last gameNever played
Minesweeper
Quick matches with automatic timer and local save.
Time playedNo games yet
Last gameNever played
P4L4VR4
Daily word challenge with free mode, stats, and shareable results.
Time playedNo games yet
Last gameNever played
Reaction Test
Reflex game with millisecond timing and local history.
Time playedNo games yet
Last gameNever played
Speed Typing
Typing trainer with WPM, accuracy, score, and original texts.
Time playedNo games yet
Last gameNever played
Kind Cat
Cute clicker with petting, Affection Shop, room decoration, and saves.
Time playedNo games yet
Last gameNever played
Checkers
8x8 board with mandatory jumps, king promotion, and local autosave.
Time playedNo games yet
Last gameNever played
Memory Game
Shuffled cards with local time and move high scores.
Time playedNo games yet
Last gameNever played