Everything in the catalog

Opens and analyzes very large log files, over 10 GB, directly in the browser without uploading them.

Calculator for sizing on-premises LLM inference hardware and estimating total cost of ownership.

Helps you build an Agent Skill (SKILL.md) by choosing a job, rules and a personality.

A music theory library for Javascript

Free fake REST API with posts, comments, todos and users supporting all HTTP methods.

A web app with 12 open-source tools for frontend work, such as SVG and CSS utilities.

A modern static resume template and theme.

🗺️ Minimalist POI Map Tracker and Trip Planner.

Serves random or specific photos at any size through a URL.

A toolbox of 152 free browser-based tools, available in 17 languages with no signup.

A web toolbox with calculators and a planner for the game Arknights, supporting all servers.

A Feature-Rich Resume Builder that Supports Flexible Customization

Free invoice builder & GST billing software for India.

Customizable Pomodoro-style focus timer that runs in the browser.

Dynamic dummy image generator controlled by URL parameters.

Notepad web app that can be installed and used offline for jotting down text.

A toolbox of free online utilities including CSS minify, JSON format, encryption, QR codes and image tools.

Next.js 로 누구나 쉽게 만드는 Static HTML 이력서

Create unlimited invoices for free.

Pomodoro timer web app with picture-in-picture mode, white noise and a task list.

A collection of online utilities for web developers and programmers, hosted as one tool site.

An open-source set of lightweight HTML tools that run in the browser with no install and keep data private.

Playground page for a QR code generator and reader with several rendering options.

Fast cv / resume builder to create beautiful resumes ( PDF ), uses browser's native window.print() to generate PDF at high quality