70+
Tools available
UTILTOOLS delivers online utilities for everyday tasks: CPF/CNPJ testing, PIX QR Code, finance calculators, text tools, and much more.
Generate valid CPF numbers for software tests, with or without formatting.
Create valid CNPJ numbers for QA and system development.
Check whether a CPF number is mathematically valid in seconds.
Validate CNPJ numbers using official check-digit rules.
Generate strong passwords with custom size and character options.
Create QR codes for text, URL, Wi-Fi, and PIX copy-and-paste payload.
Generate UUID v4 values for unique IDs in apps and APIs.
Build wa.me links with prefilled messages for support and sales.
Generate nickname suggestions in gamer, tech, and social styles.
Simulate investments with rate, period, and monthly contribution.
Calculate your body mass index with WHO classification.
Solve percentages quickly for shopping and finance tasks.
Compare installments in Price and SAC systems with rates and terms.
Calculate final price, saved amount, and discount percentage.
Set selling price from cost, margin, and desired markup.
Calculate age in years, months, and days from birth date.
Count business days between dates excluding weekends.
Compare ethanol and gasoline to find the best value option.
Convert BRL, USD, EUR, and other currencies with live rates.
Search full address by Brazilian ZIP code using ViaCEP API.
Encode and decode Base64 for text, JSON, and payloads.
Validate, prettify, and minify JSON with error highlighting.
Convert Unix timestamps to date/time and back.
Transform text to uppercase, lowercase, title case, and reverse case.
Convert between HEX, RGB, and HSL with color preview.
Count characters, words, lines, and paragraphs in your text.
See your public IP and basic details about your current connection.
Generate random text blocks for prototypes and layouts.
Track current time across key Brazilian time zones.
Draw random numbers in a custom range with no repeats.
Pick random names from a list for giveaways and activities.
Calculate the difference between two dates in days, months, and years.
Use focus and break cycles to improve productivity.
Generate Luhn-valid test credit cards with brand, expiry date, and CVV.
Create fictional bank account data for QA with branch, account, and check digit.
Generate fake profiles with valid CPF, phone number, and address for testing.
Generate fictional RG numbers for testing, including SP check digit option.
Generate words, sentences, and paragraphs with counters and quick copy.
Build static PIX QR Codes in BR Code format with optional amount.
Generate PIX copy-and-paste payload with validation and QR rendering.
Validate PIX key formats: CPF, CNPJ, email, phone, and random UUID.
Create a privacy policy draft aligned with Brazil's LGPD.
Generate a terms of use draft for websites and applications.
Estimate severance pay using general CLT and notice rules.
Simulate monthly withholding tax and annual estimate using current rates.
Calculate hourly wage and overtime with 50% and 100% premium.
Project savings returns with Selic, TR, and monthly deposits.
Calculate meat and drink quantities per person for your BBQ.
Find how many pizzas to order based on people and slice count.
Create a countdown timer to a specific date and time.
Calculate paint liters for walls using coverage and coats.
Estimate tile pieces and boxes for flooring and wall tiles.
Estimate gestational age and due date from last menstrual period.
Calculate fertile window and estimated ovulation date.
Encode and decode URLs for query params and API use.
Convert text to HTML entities and decode it back.
Convert JSON to XML and XML to JSON with input validation.
Format SQL statements with line breaks and highlighted keywords.
Convert units for length, mass, temperature, area, and more.
Convert integer numbers between numeric bases quickly.
Convert JPG, PNG, and WebP in-browser with no file upload.
Resize images by width and height with optional aspect lock.
View ISO weeks, current week range, and Brazil national/movable holidays.
Create harmonic palettes for branding, UI, and design.
Run a simple browser-based latency and download speed test.
Use a stopwatch with laps for workouts, study, and tasks.
Find your zodiac sign based on birth date.
Query FIPE by code or by make, model and year using text search.
Compare two texts and highlight added and removed lines.
Edit text with basic formatting and export as TXT or HTML.
70+
Tools available
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Free to use, no account
100%
Browser-side processing
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Target load speed