zip

A browser-based tool for building ZIP archives by combining files from multiple sources. Easily add local files, URLs, or generated content and download a ready-to-use ZIP package in seconds.

html entities

A simple tool to encode and decode HTML entities, helping you safely display special characters in web pages or convert encoded content back to readable text.

base64 / dataurl encode file

A handy utility for converting files or text to Base64 or Data URLs, and decoding them back to their original form. Ideal for embedding assets, transferring data, or inspecting encoded content.

fetch

A lightweight utility for fetching resources from the internet, similar to wget. Easily download files, inspect responses, and test endpoints directly from your browser or app.

hash generator

Generate a hash for a file or text, supports md5, sha1, sha256 and many more.

nodejs terminal

Experiment with Node.js instantly in your browser. Use a built‑in terminal with npm support to run code, test packages, and prototype ideas — no installation required.

stackblitz

Run interactive StackBlitz examples instantly in your browser. Explore live code, test projects, and prototype ideas without setup or installation.

global state diff

Inspect what scripts and modules really expose. Enter a url and see global changes from script tags and explore actual exports from imports.