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Antonio Cosentino

Code, music & everything in between

Hi. I’m Antonio,
a Full-Stack Developer and Musician
living in Berlin.

Currently employed at Perspective

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Personal projects

2026

Stagetime

Keep meetings balanced with live speaker timers, shared progress tracking, and fair visibility for every voice.

2026

GlowCue

A simple Chrome extension for signaling when time is up during online presentations with a vibrant, animated glow

2025

Emojipic

A simple web app for generating PNG files based on an emoji and a background color

2023

What the FOUT!

A playground for F-mods which helps finding the perfect fallback font and tweak it as desired. Built with Next.js, Tailwind CSS and the Google Fonts API.

2021

React Native Quiz Input

React Native Component to create individual character inputs for quiz-like interfaces, OTP screens etc. The library provides high level of customization and is available as NPM package.

Explore all projects

From the blog

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I gave superpowers to my emoji app

react / tailwind / AI / prompt engineering / emoji

Build a blog with Next.js, Tailwind CSS, and Contentful

contentful / next.js / tailwind / css

Javascript in plain english

Font fallbacks with (almost) no headache

CSS / Google Fonts / Lighthouse / Page Speed / Web Development

My "work from VR" experience

VR / AR / VisionPro / Meta / Quest / Immersed / Workrooms

New project illustrations: my little Bauhaus tribute

illustrations / bauhaus / minimalism / flat / geometry / restyling

A new website AKA cut the bulls**t

react / next.js / jamstack / page speed

Javascript in plain English

How I Built My First React Native Library

react native / javascript / npm

The Startup

How I Built a Language Learning App With React Native

app development / sqlite / react native / UI

Medium

Using React Spring with older browsers

react spring / typescript / babel / webpack