SimplyKit 极简在线工具箱

Product Story

In daily office work, development debugging, and design tasks, we often need to use various small tools: image processing, PDF handling, QR code processing, random password generation, timestamp conversion, etc. However, most tools on the market are plagued by excessive ads, high fees, insecure file uploads, and complicated operations, resulting in a terrible user experience. To address this, we have developed a pure front-end, locally run, ad-free, free online toolbox that lets all tools work right out of the box, with no data uploads, safe and efficient.

Key Features

• Image Tools: image compression, cropping, format conversion, resizing, splicing, mirroring, watermarking, filters
• PDF Tools: merge, split, compress, convert PDF to images
• Color Tools: gradient generation, online image color picking
• Practical Tools: QR code generation, JSON formatting, URL encoding/decoding, Base64 conversion, timestamp conversion, password generation

Problems We Solve

✅ One website covers all commonly used tools, no need to save multiple bookmarks ✅ All operations are completed locally, files and data are absolutely secure with no uploads to servers ✅ 100% free, ad-free, no login required, use instantly and leave ✅ Clean interface, simple operation, compatible with both mobile and desktop ✅ Suitable for all users including office workers, students, developers, designers, self-media creators, etc.