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每个工具都使用原生浏览器API运行。
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加载后，大多数工具无需网络连接即可使用。
所有工具
免费使用，无需账户。
Graphics Tools
Signature Generator
Draw your handwritten signature and export as PNG, SVG, or PDF with transparent background. 100% browser-based.
Business Tools
Invoice Generator
Create professional invoices instantly and export as PDF. No account needed, your data stays local.
Developer Tools
JSON Formatter
Format, validate, and beautify JSON in your browser instantly. Zero uploads, zero tracking.
Utility Tools
QR Code Generator
Generate QR codes for any URL, text, or contact card. Download as PNG instantly, free forever.
Graphics Tools
Image Resizer
Resize images to exact dimensions or by percentage in your browser. Supports JPG, PNG, and WebP.
Utility Tools
Password Generator
Generate strong, secure passwords with custom length and character sets. Runs entirely in your browser.