证件水印 vs SlimPic

证件水印 App 是一款为证件、照片添加文字水印的小工具，保障您的隐私信息不被盗用。 - 支持制作 A4 复印打印模式，导出 PDF 或图片格式 - 支持最多 50 张照片批量添加水印 证件水印 App 不会记录任何信息，无网络请求，不会发送任何数据请求，请放心使用。 如果遇到问题，请在设置的反馈中联系我们。

SlimPic is a fully offline image compression tool. Your photos are never uploaded to any server — zero network dependency, absolute privacy. Key Features: • Smart Compression — Automatically selects the optimal strategy to dramatically reduce file size while preserving quality • PNG Quantization Engine — Custom median-cut algorithm achieves up to 90% PNG compression • Target Size — Set a target file size (e.g., 200KB) and let SlimPic hit it automatically • Format Conversion — Convert between JPEG, PNG, HEIC, and WEBP • Batch Processing — Compress multiple images at once • Resize — Built-in presets for common dimensions plus custom resolution • EXIF Management — Strip metadata with one tap to protect your privacy • Watermark — Add text watermarks to your images • Long Screenshot — Intelligent Stitching for Full-Length Screenshots Why SlimPic: • 100% Local — Everything runs on-device, no internet needed • Privacy First — No data collection, no ads, no tracking • Batch Efficient — Concurrent processing for multiple images • Clean Interface — Focused on compression, nothing extra Standard Apple Terms of Use (EULA): https:// www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy：https://fanfay.github.io/app-legal-docs/privacy.html