Build Better

Ship faster. Build smarter.

Tools, guides, and growth paths for developers, indie hackers, and founders.

Use Tools

🧰 Online Toolbox

32 free browser-based utilities. JSON, QR codes, timestamps, hashing — all run locally for privacy.

⏱ Timestamp 📋 JSON 🔳 QR Code 🔤 Base64 🔑 Hash 🔐 Password
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Level Up as a Builder

⬆️ Upgrade Guides

Practical growth guides for developers in the AI era — skills, tools, and career paths.

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⚡ Stay Relevant as a Developer in 2026

5 actionable skills to future-proof your career.

🪪 AI 时代程序员的核心竞争力

5 个具体方向和可执行方法。

⚖️ Employment vs Entrepreneurship

A third path for builders.

📝 How to Start a Blog in 2026

Build your audience as a creator.

Choose the Right Stack

⚖️ Compare & Deals

Cursor vs Copilot, Grammarly vs Jasper — real comparisons plus coupon codes.

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⌨️ AI Coding Tools

Best AI tools for developers.

⚔️ Cursor vs Copilot vs Windsurf

In-depth comparison after 3 months of use.

Tool Guides

🔤 Base64 Encoding Guide

Encode and decode Base64 online.

🎨 Color Code Guide

Convert HEX, RGB, HSL color codes.

🔑 Hash Algorithm Guide

MD5, SHA-1, SHA-256 hashing explained.

🖼️ Image Compression Guide

Reduce image file size without losing quality.

📋 JSON Formatting Guide

Format, validate, and compress JSON online.

📝 Markdown Guide

Write and preview Markdown documents.

🔐 Password Security Guide

Create strong passwords in 2026.

🔳 QR Code Guide

Generate and customize QR codes online.

🔤 Regex Tutorial

Complete regular expression guide.

⏰ Unix Timestamp Guide

Convert epoch time to dates.

🔗 URL Encoding Guide

Encode and decode URL parameters.

🔢 UUID Generator Guide

Generate UUIDs v4/v7 and understand formats.