Browser-based Tools | Enrico Carraro

In [1]:

# What's this?

What's this?

A small collection of tools I keep reaching for, ported to run entirely in the browser. No upload, no backend, no tracking — your files and inputs stay on your machine.

Each tool is a single static page that loads its WASM runtime on demand.

In [2]:

# Media

🎬

FFmpeg Studio

Convert, scale, cut silence, extract audio, make GIFs, trim video. Anything-to-anything via ffmpeg.wasm.

wasm · ffmpeg

🖼️

Image Studio

Resize, convert (PNG / JPEG / WebP), compress, crop, and a one-shot meme generator with top/bottom captions.

canvas

📄

PDF Studio

Markdown ↔ PDF, merge and split, images-to-PDF, and quick text extraction from a scanned-or-not PDF.

pdf-lib · pdf.js

In [3]:

# Code

🐍

Python Playground

Multi-cell Python notebook. CPython via Pyodide, with pip install for pure-Python packages.

wasm · pyodide

⚡

JavaScript Scratchpad

A sandboxed JS playground with captured console, top-level await, and live DOM preview.

iframe · sandbox

🤖

Agent Console

A small agentic loop powered by Claude. Bring your Anthropic key — runs locally, can fetch URLs and execute JS / Python in your browser.

claude · byok