Intelligent toolkit designed for modern developers and creators
Lightweight tools, instant results, zero fluff.
No tracking. Local-first when possible.
LLM utilities and knowledge to accelerate work.
English and Chinese content available.
Images, code, math, PDF, markdown, and more.
Mini-games and interactive demos to learn by doing.
Powerful online tools, click to use, boost your productivity
Convert, resize, compress images.
Remove background with AI.
Pretty code snapshots.
Generate images from prompts.
Masonry gallery & viewer.
Export MD to styled PDF.
Extract PDF to MD.
Generate social link cards.
Binary/hex/base enc/dec.
Find IP location info.
Translate between languages.
Solve math with steps.
Curated technical articles and development guides to boost your skills
Common patterns with practical tips.
Core DS with intuition and use cases.
Handpicked interview questions with answers.
From scratch to working RPC in Go.
HTTP client/server essentials in Go.
Patterns and pitfalls.
IO basics and practical recipes.
Solve problems by pattern.
From fundamentals to production.
Join thousands of developers using ToolHero to boost productivity