Utilities

Create responsive landing pages and multi-page websites with visual editing and ZIP, PDF and JSON export.

Compare EV cost per km, monthly savings, payback and total cost against gasoline and ethanol.

Simulate Windows error or update screens with customizable appearance and progress.

Simple tool to pick winners from a participant list.

Draw names or numbers with exclusions, history and CSV.

Register participants and generate pairs with anti-conflict rules.

Create visual timelines with events, dates and descriptions.

Create events, navigate month calendar and track upcoming appointments.

Track income and expenses with summary and backups.

Register purchases with warranty periods and monthly spending chart.

Track finished games with platform, score, hours and history.

Catalog watched movies with month/year, score, location and comments.

Track watched movies with month/year, cover, score and comments.

Catalog books with reading status, score and conclusion month.

Create categories, organize links and highlight favorites with local backup.

Calculate direct and inverse simple proportion instantly.

Calculate your BMI from weight and height with instant classification.

Convert resistor bands to value, tolerance and temp coefficient.

Trigonometry, logs, powers and expression history.

Convert length, mass, temperature, volume, area and speed units.

Check average prices for cars, motorcycles and trucks by model and year.

Create bar, line, area, pie and donut charts with PNG download.

Generate custom QR Codes with size, colors and PNG download.

Create complete customizable tables with PNG and .xls download.

Crypto and stock quotes with up/down trend indicators.

Updated results for key Caixa lotteries in one dashboard.

Register vehicles and track maintenance with history and backups.

Track home maintenance with date, supplier, cost and history.

Generate and download a .doc attendance list.

Create meeting minutes with logo, agenda and decisions.

Create quotes with items, totals and PDF export.

Build a professional business proposal and download PDF.

Count characters, words, lines and spaces in real time.

Lookup ZIP by code and find your local ZIP from geolocation.

Search company details by CNPJ with status and address info.

Measure ping, jitter, download and upload with a quick online test.

Compare text versions and detect line-by-line changes.

Decode and encode Base64 with UTF-8 support and quick copy.

Use countdown timer, stopwatch and alarm in one online utility.

Simulate simple and compound interest with contribution and timeline.

Estimate savings, payback and financial return for a solar system.

Create notes cards and open full content in a side drawer.

Organize categories and tasks with check, autosave and JSON backup.

Track bills, due dates and payment status with local autosave and backup.

Create direct WhatsApp chat links using target number and optional message.

Generate sitemap.xml with URLs, priority and crawl frequency for SEO.

Create a professional email signature with ready-to-copy HTML.

Create assessments and reports with full text tools, logo crop and PDF export.

Build certificates with custom background, cropped logo and PDF export.

Build 5x2, 6x1, 12x36, 4x2 or custom schedules with PDF/PNG export.

Search emojis by keyword, favorite in local cache and click to copy.

Estimate smoking costs per day, month and year with long-term projections.

Create personalized birthday invitations and download as PNG or PDF.

Validate CPF and CNPJ with official check digit verification.

Simulate AND, OR, NOT, NAND, NOR and XOR with graphical view.

Use fullscreen solid colors to find dead or stuck pixels on your display.

Use motion patterns to evaluate ghosting and black smearing on your display.

Estimate salary balance, 13th salary, vacation, notice and FGTS fine in CLT termination.

Test speaker output, microphone input and camera preview in real time.

Create service agreements with parties, pricing and timeline.

Create a complete resume and download PDF.

Ready templates for common percentage calculations.

Estimate meat, drinks and costs for your BBQ.

Split bills with service fee, tips and discounts.

Crop and print multiple ID photos on A4.

Edit images with filters, crop, rotation, flip and export as PNG/JPG.

Generate placeholder text by paragraphs and characters.

Organize tasks with an online Kanban board.

Build workout plans with exercises, sets, reps, load and progress tracking.

Estimate storage, bandwidth and power for CCTV.

IP, CIDR, masks and subnet suggestions.

Measure typing speed, accuracy and errors.

Convert numbers between binary, decimal, octal and hexadecimal.

Build BPMN flows with lanes, tasks and gateways.

Secure passwords with custom options and copy.