Wokwi Arduino and ESP32 Simulator
Wokwi simulates embedded projects in the browser. It supports Arduino (Uno, Mega, Nano), ESP32, STM32 and Raspberry Pi Pico boards,
Coding
Tools for writing, testing and checking code online, including compilers, validators, converters, diff tools and API clients. They remove the need for a local setup when a quick check, a conversion or a code experiment is all that is required.
Developers can run code in online compilers and notebooks, test APIs with API clients and try patterns in regex testers. Validators for JSON, CSV and HTML, code minifiers, text diff checkers, cURL converters and checksum calculators help to check and transform data. Data transformation toolkits, assembly viewers, code snippet libraries and microcontroller simulators complete the selection.
webR
webR is a build of the R language compiled to WebAssembly, developed by Posit. The REPL page runs a full
JupyterLite Python Notebooks in Browser
JupyterLite is a distribution of JupyterLab that runs entirely in the web browser. Python code executes through WebAssembly, so no
Online JSON Editor
The undisputed best free online JSON editor: row code, formatted code, right click copy/paste menu, expanded nodes or not, color
Programiz Online Python Compiler
Does one thing, but does it good: the Programiz Online Python Compiler is a cloud-based integrated development environment (IDE) that
dblp Computer Science Journals Search
The most complete meta-search on computer science journals and research papers: The dblp computer science bibliography is a specialized reference
OneCompiler: Compilers In Multiple Languages
If you are new to a certain coding language, or continuously switching between various, this site has more than 45
AI Code Generator
Describe by words what you want to achieve by code, select your language, and this tool will generate a code
JSON Validator
Validates your JSON code, highlights potential errors or typos and formats it for a nice comprehensive view: JSONLint is a specialized
Hex & ASCII Checksum Calculator
The most complete online checksum calculator for HEX numbers or ASCII strings we have encountered. It will return in 1