Why Choose ToolHero
Intelligent toolkit designed for modern developers and creators
Fast & Minimal
Lightweight tools, instant results, zero fluff.
Privacy-first
No tracking. Local-first when possible.
AI-powered
LLM utilities and knowledge to accelerate work.
Multilingual
English and Chinese content available.
Many Utilities
Images, code, math, PDF, markdown, and more.
Playful
Mini-games and interactive demos to learn by doing.
Featured Tools
Powerful online tools, click to use, boost your productivity
Image Converter
Convert, resize, compress images.
Remove Image BG
Remove background with AI.
Code to Image
Pretty code snapshots.
Image Generator
Generate images from prompts.
Photo Gallery
Masonry gallery & viewer.
Markdown to PDF
Export MD to styled PDF.
Link Preview
Generate social link cards.
IP Geolocation
Find IP location info.
Translator
Translate between languages.
Web Sketch
Draw and annotate online.
Snake
Classic snake game.
Gobang
Five in a row.
Knowledge Base
Curated technical articles and development guides to boost your skills
Design Patterns
Common patterns with practical tips.
Data Structures Guide
Core DS with intuition and use cases.
Permission Controller
How to control the permissions of users
Build RPC Server
From scratch to working RPC in Go.
Golang HTTP Guide
HTTP client/server essentials in Go.
Golang Channel
Patterns and pitfalls.
Golang IO
IO basics and practical recipes.
LeetCode Patterns
Solve problems by pattern.
Backend Roadmap
From fundamentals to production.
Ready to get started?
Join thousands of developers using ToolHero to boost productivity