Hello, I'm

Javier Cristóbal

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I build apps, browser extensions and write books. Subscribers hear about each launch first, and get subscriber-only discounts. Join for free.

Online Projects

Apps & Extensions

Extension

SafeCast

A browser extension that blurs or redacts private data (emails, cards, names, balances) right in the page, so it is hidden before you record a tutorial. Chrome, Edge, Brave and Firefox.

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App

Exif Data Viewer

A native macOS app that reads the EXIF metadata of your photos and videos with ExifTool, shows it grouped and readable, maps the GPS location, and strips sensitive data in one click. Windows coming soon.

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Websites

Website

Markdown.es

A comprehensive Spanish guide and resource hub for mastering Markdown syntax. From basics to advanced techniques, it helps writers and developers streamline their documentation.

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Website

Helenizarte.com

Your ultimate travel companion for exploring the wonders of Greece. Detailed guides, cultural insights, and hidden gems to help you plan an unforgettable Mediterranean journey.

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Agency

RaccoonReels

A dynamic video editing agency specializing in high-impact short-form content. We transform raw footage into engaging stories that capture attention and drive growth.

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