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PGlite Semantic Search
thorwebdev
Vector search over documents using a Postgres running in WebAssembly (PGlite) inside the browser.
MiniCPM5-2B WebGPU Pi
victor
Runs a small coding agent entirely in the browser using WebGPU, with no server needed for the model.
ExtendsClass Regex Tester
ExtendsClass
Tests regexes for Python, PHP, Ruby, JavaScript, Java and MySQL with a visual explainer.
Fake JSON API
Provides sample JSON endpoints you can call for placeholder data.
Golang Online
Runs Go snippets online.
Java Online
Compiles and runs Java snippets online.
JSON Patch Generator
Produces an RFC 6902 JSON Patch that turns one JSON document into another.
JSON Storage
Stores JSON documents behind a simple HTTP API for prototypes.
JSON to PHP Array
Converts JSON into a PHP array literal.
JSON to Python Converter
Converts JSON into a Python dict literal.
JSONPath Tester (ExtendsClass)
Runs JSONPath queries against pasted JSON and lists the matches.
Kotlin to Java Converter
Translates Kotlin source into Java.
Lua Tester Online
Runs Lua scripts online.
Mock REST API
Creates a fake REST or SOAP API endpoint with custom responses.
MongoDB Playground
Tests MongoDB queries against sample data online.
MySQL Online
Tests MySQL queries online without installing a database.
Online REST Client
Sends HTTP requests to a JSON API and shows the response.
Online SOAP Client
Sends SOAP requests to a web service and displays the reply.
Oracle Online
Runs Oracle SQL and PL/SQL online.
PHP Formatter
Formats PHP code with consistent indentation.
PHP Syntax Checker
Checks PHP code for syntax errors online.
PHP Tester Online
Runs PHP snippets online.
PHP to Python Converter
Translates simple PHP code into Python.
PostgreSQL Online
Tests PostgreSQL queries online without installing a database.