70+
Tools available
All tools you need in one place
UTILTOOLS delivers online utilities for everyday tasks: CPF/CNPJ testing, PIX QR Code, finance calculators, text tools, and much more.
CPF Generator
Generate valid CPF numbers for software tests, with or without formatting.
CNPJ Generator
Create valid CNPJ numbers for QA and system development.
CPF Validator
Check whether a CPF number is mathematically valid in seconds.
CNPJ Validator
Validate CNPJ numbers using official check-digit rules.
Password Generator
Generate strong passwords with custom size and character options.
QR Code Generator
Create QR codes for text, URL, Wi-Fi, and PIX copy-and-paste payload.
UUID Generator
Generate UUID v4 values for unique IDs in apps and APIs.
WhatsApp Link Generator
Build wa.me links with prefilled messages for support and sales.
Nickname Generator
Generate nickname suggestions in gamer, tech, and social styles.
Compound Interest Calculator
Simulate investments with rate, period, and monthly contribution.
BMI Calculator
Calculate your body mass index with WHO classification.
Percentage Calculator
Solve percentages quickly for shopping and finance tasks.
Financing Simulator
Compare installments in Price and SAC systems with rates and terms.
Discount Calculator
Calculate final price, saved amount, and discount percentage.
Markup Calculator
Set selling price from cost, margin, and desired markup.
Age Calculator
Calculate age in years, months, and days from birth date.
Business Days Calculator
Count business days between dates excluding weekends.
Fuel Calculator
Compare ethanol and gasoline to find the best value option.
Currency Converter
Convert BRL, USD, EUR, and other currencies with live rates.
ZIP Code Lookup
Search full address by Brazilian ZIP code using ViaCEP API.
Base64 Converter
Encode and decode Base64 for text, JSON, and payloads.
JSON Formatter
Validate, prettify, and minify JSON with error highlighting.
Timestamp Converter
Convert Unix timestamps to date/time and back.
Text Case Converter
Transform text to uppercase, lowercase, title case, and reverse case.
Color Converter
Convert between HEX, RGB, and HSL with color preview.
Character and Word Counter
Count characters, words, lines, and paragraphs in your text.
My IP
See your public IP and basic details about your current connection.
Lorem Ipsum Generator
Generate random text blocks for prototypes and layouts.
Current Time
Track current time across key Brazilian time zones.
Number Picker
Draw random numbers in a custom range with no repeats.
Name Picker
Pick random names from a list for giveaways and activities.
Date Difference
Calculate the difference between two dates in days, months, and years.
Pomodoro Timer
Use focus and break cycles to improve productivity.
Credit Card Generator
Generate Luhn-valid test credit cards with brand, expiry date, and CVV.
Bank Account Generator
Create fictional bank account data for QA with branch, account, and check digit.
Fake Person Generator
Generate fake profiles with valid CPF, phone number, and address for testing.
RG Generator
Generate fictional RG numbers for testing, including SP check digit option.
Advanced Lorem Ipsum Generator
Generate words, sentences, and paragraphs with counters and quick copy.
Static PIX QR Code Generator
Build static PIX QR Codes in BR Code format with optional amount.
PIX Copy and Paste Generator
Generate PIX copy-and-paste payload with validation and QR rendering.
PIX Key Validator
Validate PIX key formats: CPF, CNPJ, email, phone, and random UUID.
Privacy Policy Generator
Create a privacy policy draft aligned with Brazil's LGPD.
Terms of Use Generator
Generate a terms of use draft for websites and applications.
Severance Pay Calculator
Estimate severance pay using general CLT and notice rules.
Income Tax Simulator
Simulate monthly withholding tax and annual estimate using current rates.
Worked Hours and Overtime Calculator
Calculate hourly wage and overtime with 50% and 100% premium.
Savings Account Simulator
Project savings returns with Selic, TR, and monthly deposits.
BBQ Calculator
Calculate meat and drink quantities per person for your BBQ.
Pizza per Person Calculator
Find how many pizzas to order based on people and slice count.
Countdown Timer
Create a countdown timer to a specific date and time.
Paint Calculator
Calculate paint liters for walls using coverage and coats.
Tile and Flooring Calculator
Estimate tile pieces and boxes for flooring and wall tiles.
Pregnancy Calculator
Estimate gestational age and due date from last menstrual period.
Fertile Window Calculator
Calculate fertile window and estimated ovulation date.
URL Encode and Decode
Encode and decode URLs for query params and API use.
HTML Entities Encode and Decode
Convert text to HTML entities and decode it back.
JSON to XML Converter
Convert JSON to XML and XML to JSON with input validation.
SQL Formatter
Format SQL statements with line breaks and highlighted keywords.
Unit Converter
Convert units for length, mass, temperature, area, and more.
Decimal, Binary, Hex, and Octal Converter
Convert integer numbers between numeric bases quickly.
Image Converter
Convert JPG, PNG, and WebP in-browser with no file upload.
Image Resizer
Resize images by width and height with optional aspect lock.
Weekly and Holiday Calendar
View ISO weeks, current week range, and Brazil national/movable holidays.
Color Palette Generator
Create harmonic palettes for branding, UI, and design.
Internet Speed Test
Run a simple browser-based latency and download speed test.
Online Stopwatch
Use a stopwatch with laps for workouts, study, and tasks.
Zodiac Sign by Birth Date
Find your zodiac sign based on birth date.
FIPE Table (Code and Text Search)
Query FIPE by code or by make, model and year using text search.
Text Diff Checker
Compare two texts and highlight added and removed lines.
Online Text Editor
Edit text with basic formatting and export as TXT or HTML.
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Free to use, no account
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Browser-side processing
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