Personal and professional projects I've worked on.
App that shows your public IP and location with precision: country, state, city, ZIP code, latitude, longitude, connection type, and a history of detected IPs. Clean interface, ideal for developers, IT professionals, or anyone who wants to monitor their internet connection.
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A set of network utilities for Android: IPv4/IPv6 generation and validation, format conversion, CIDR calculation, DNS lookups, HTTP/HTTPS status checks, port scanning, SSL/TLS certificate inspection, and local lookup history. Built for developers, IT professionals, and students.
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A tool to look up MAC address information: vendor, OUI prefix, address type, block, country, known range, and search history. Includes a local vendor catalog, light/dark themes, and sharing results as an image.
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Android app published on the Play Store for on-the-spot CNPJ lookups: complete data on Brazilian companies — legal name, registration status, address, contact and share capital — with search history and a simple, fast interface.
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An app that brings together several live gospel radio stations in one place, with search, favorites, pinned stations, listening history, a mini player, a sleep timer, and automatic reconnection. Perfect for listening to praise music and Christian programming anytime.
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An app that displays detailed Android device information in organized categories: system, hardware, battery, RAM, and storage. Lets you copy the data or generate an HTML file to share, with a lightweight Material Design interface.
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An app that automatically blocks incoming calls from numbers not saved in your contacts, keeping spam and scam calls away. Simple, direct interface with a history of blocked calls.
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A simple and fun app to simulate rolling a dice with a single tap, perfect for board games or quick decisions. Keeps a history of recent rolls and lets you customize the number and visual style of the dice.
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Local-first personal finance manager, no spreadsheets: income and expenses with categories, accounts and installment tracking, OFX statement import, reports with charts, plus multi-user support with an audit trail and JSON/CSV backup — all in Portuguese, running 100% locally.
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Native Android client for FinFin, built with Kotlin and Jetpack Compose, mirroring the web app feature-for-feature: entries, reports, OFX import and a runtime-configurable API server URL.
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Word guessing game by theme with a modern hangman twist: pick a theme, reveal the word letter by letter with 6 hearts, spend hints wisely and beat your record — with local stats, synthesized sound and offline support (PWA).
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Single-file shooting gallery game built with Phaser 3: endless rounds with scaling difficulty, six enemy types with distinct behaviors, rarity-tiered items and combo scoring — sound synthesized via Web Audio.
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Neon-styled Snake game in pure HTML, CSS and JavaScript with zero dependencies and no build: 10 progressive phases, Web Audio synthesized sound and flexible controls for desktop and mobile (keyboard, swipe and on-screen buttons).
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Windows app written in C# to restore .sql or .gz dumps into a MySQL database through WSL: converts Windows paths to the WSL format, runs the restore and streams the result to a log area.
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Link manager built with Electron featuring a dark glassmorphism UI: save URLs with descriptions and tags, search and filter them, and keep everything in a links.json file whose location you configure.
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Android app published on the Play Store for generating strong, customizable passwords: adjustable length and character types, strength indicator, estimated entropy, approximate crack time and a local history for future reference.
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