Independent software studio.
Small software. Real utility.
MarkAlexI is an independent software studio founded by Oleksandr Markov. It creates browser extensions, open-source libraries, and focused web applications designed to solve specific problems well.
BlockDistraction Core product
A privacy-focused browser extension that blocks distracting websites, supports scheduled rules, focus sessions, password protection, statistics, redirects, categories, and simultaneous blacklist and whitelist workflows.
Developed and supported by MarkAlexI. Available across major browser platforms with a universal Pro license. Core blocking happens locally, without tracking browsing activity.
Active Extension Users
3,000+
Floating TOC Open source
A dependency-free JavaScript library for generating a responsive floating table of contents with active heading tracking, multiple layouts, and extensive visual customization.
during its first 24 hours on npm
Useful Web Tools Live
A growing collection of focused browser-based utilities. Each project works without registration and is designed to remain simple, fast, and useful.
MetaTag
Generate SEO, Open Graph, Twitter Card, canonical, robots, browser appearance, JSON-LD markup and favicons in one place.
metatag.pp.uaCSS Craft
Practical CSS generators, visual utilities, and front-end helpers.
craft.pp.uaSave Page
Convert and save readable webpage content as Markdown, HTML, or PDF.
save.pp.uaTestLoad
Generate files of an exact size, sample CSV and JSON datasets, and downloadable text files directly in your browser.
testload.pp.uaTrick Tools
Small everyday utilities collected in one lightweight toolbox.
trick.pp.uaA11y Toolbar
A11y Toolbar adds a floating set of user preference controls to a page and supplements a website's accessibility.
a11y.pp.uaHide & Highlight Browser utility
A browser extension for hiding distracting webpage elements and highlighting important fragments. Built with plain JavaScript and designed for immediate, low-overhead interaction with page content.
Extension Projects Updating
A dedicated home for browser extensions, themes, experiments, and developer-focused extension tools. The current version remains available while a broader update is in progress.