Compress PDF - ThinPDF

About this app

Effortlessly reduce PDF file sizes without compromising quality. ThinPDF is a powerful, lightweight macOS app designed to intelligently compress PDF files by optimizing their embedded images—perfect for professionals, students, and anyone managing large documents. Built with Apple-native technologies, ThinPDF delivers fast, reliable performance and a beautiful, intuitive interface designed for macOS. Whether you’re managing a single file or compressing in bulk, ThinPDF simplifies the process with drag-and-drop ease and customizable settings. ** Key Features ** • Advanced Image Optimization  - Downsample high-resolution images  - Recompress JPEGs with adjustable quality settings  - Convert non-JPEG formats (e.g., PNG) to JPEG  - Optional grayscale conversion for further size reduction • Compression Settings Panel  - Fine-tune image quality (0–100 scale)  - Set maximum resolution by DPI or pixel size  - Toggle image format conversion  - Strip or retain PDF metadata (author, title, etc.) • Live Preview and Comparison  - Instantly see original vs. compressed file sizes  - Thumbnail previews to compare before and after  - Real-time estimates of compression gains • Simple Drag-and-Drop Interface  - Drop one or multiple PDF files into the app window  - Automatic file queue and processing • Batch Processing Support  - Apply consistent compression settings across multiple PDFs  - Ideal for archiving, emailing, or uploading document collections • Preserve Structure and Readability  - Maintain document layout, fonts, and accessibility  - Focused compression on images only—text and structure remain untouched Why Choose ThinPDF? • Native macOS experience with seamless performance • Clean, modern interface built for usability • Total control over compression quality and behavior • Perfect for reducing file sizes for email, web upload, or storage Take control of your PDF file sizes without the clutter or complexity. Whether you need to shrink a few documents or process large batches, ThinPDF makes it fast, smart, and simple.

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Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Aug 8, 2026 · 8:40 AM $2.99