Welcome! I'm

Andrei Rovnyi

Software DeveloperEngineering LeaderFounderGame Systems Architect

I build production-ready web platforms, game systems, automation tools, and AI-assisted workflows — from early product ideas to shipped systems used by real people.

Read the Blog About me

Open to new projects

Utilities

Tools

For game devs

Steam AI Disclosure

Answer a short guided wizard about how your game uses AI and get Steam's AI content disclosure filled correctly.

Free check · paid disclosure packStart check

For creators

Contract Red-Flag Scanner

Upload an influencer or brand contract and spot risky clauses — exclusivity traps, payment terms, usage rights — before you sign.

Free risk check · $10 full reportScan a contract

Quick utilities

QR Code GeneratorStyled QR codes with a logo, export as PNG.Credit Card GeneratorLuhn-valid test card numbers for QA.JWT DecoderDecode and verify JWTs in your browser.Image ConverterConvert PNG, JPEG and WebP locally.

Suggest a toolTell me what to build — it might ship next Telegram

Writing

Claude and Obsidian: How I Built a Personal Knowledge Base Run by an AI

I keep my knowledge base in Obsidian and put a Claude Code agent on top: it lives in the notes folder, knows my rules, and handles the routine for me.

#dev

Jul 8, 2026

How a line from my market-niche notes became a live micro-SaaS: what Steam's AI content disclosure is, why getting it wrong can delay or delist a game, how the tool is built, the honest legal standing of the protocol it generates, and a pre-upload checklist.

New

#ai

Steam AI Disclosure: turning a niche into a working micro-SaaS

How a line from my market-niche notes became a live micro-SaaS: what Steam's AI content disclosure is, why getting it wrong can delay or delist a game, how the tool is built, the honest legal standing of the protocol it generates, and a pre-upload checklist.

#games #dev #policy

Jun 26, 2026

Before I was an engineer, I was a Counter-Strike player.

#dev

From a Demo File to a Highlight Reel: A CS2 Tool I Always Wanted

Before I was an engineer, I was a Counter-Strike player.

#games

Jun 12, 2026

Photos

Instagram

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Latest

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Great morning in a great place

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New avatar for few years)

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Vietnam is wonderful

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Legendary people, legendary hero, legendary place #brucelee #hongkong

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Ностальгии пост

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После долгого пути из идей, экспериментов, бессонных ночей, сомнений, переписываний, багов, фиксов и тысяч маленьких решений этот момент наконец наступил! Сегодня наша игра официально выходит по всему миру!

07 · @ravygo

Meet the Philippine House Swallow

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Welcome South Korea! Library

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Popular

How We Made the First Episode of Tiny Boo

Let me start with where all of this came from. We have a game — Tiny Boo: Homecoming, a story about a tiny creature named Boo who gets lost and makes his way home across a huge world.

#tiny-boo #animation

Jun 10, 2026