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

Create a complete resume and download PDF.

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

Simulate simple and compound interest with contribution and timeline.

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

Track income and expenses with summary and backups.

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

Convert numbers between binary, decimal, octal and hexadecimal.

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

Simple tool to pick winners from a participant list.

Crypto and stock quotes with up/down trend indicators.

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

Create personalized birthday invitations and download as PNG or PDF.

Search company details by CNPJ with status and address info.

Validate CPF and CNPJ with official check digit verification.

Calculate your BMI from weight and height with instant classification.

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

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

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

Trigonometry, logs, powers and expression history.

Organize tasks with an online Kanban board.

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

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

Build a professional business proposal and download PDF.

Create service agreements with parties, pricing and timeline.

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

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

Secure passwords with custom options and copy.

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

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

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

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

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

Register purchases with warranty periods and monthly spending chart.

Crop and print multiple ID photos on A4.

Build BPMN flows with lanes, tasks and gateways.

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

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

Measure typing speed, accuracy and errors.

Ready templates for common percentage calculations.

Create meeting minutes with logo, agenda and decisions.

Register participants and generate pairs with anti-conflict rules.

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

Estimate storage, bandwidth and power for CCTV.

Create events, navigate month calendar and track upcoming appointments.

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

Draw names or numbers with exclusions, history and CSV.

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

Updated results for key Caixa lotteries in one dashboard.

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

Convert resistor bands to value, tolerance and temp coefficient.

Generate and download a .doc attendance list.

Catalog books with reading status, score and conclusion month.

Create quotes with items, totals and PDF export.

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

Calculate direct and inverse simple proportion instantly.

Create complete customizable tables with PNG and .xls download.

IP, CIDR, masks and subnet suggestions.

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

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

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

Register vehicles and track maintenance with history and backups.

Generate placeholder text by paragraphs and characters.

Estimate meat, drinks and costs for your BBQ.

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

Split bills with service fee, tips and discounts.

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

Create visual timelines with events, dates and descriptions.

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

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

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

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