Ngoc Thanh

In today’s fast-paced digital world, we deal with files every day — reports, contracts, e-books, invoices, brochures, and presentations. Among all document formats, PDF remains one of the most widely used because it preserves layout, fonts, and images perfectly across devices. But there’s one problem many people face: large PDF file sizes. Big PDFs are slow to upload, take up storage space, and can even cause email delivery issues. That’s where Compress & Optimize PDF File comes in. By reducing file size, customizing PDF versions, and ensuring PDF/A compliance, businesses can streamline workflows and maintain professional standards. PDF compression is the process of reducing the file’s data footprint, which can include images, fonts, metadata, and other embedded elements. While the original content remains readable and usable, the file itself becomes much smaller. Compressing PDFs makes them easier to: Share via email or messaging apps Upload to websites Store in limited cloud sto...

As digital document management continues to grow in importance, the need for standardized, long-term archivable formats like PDF/A becomes more essential than ever. Whether you’re preserving legal records, financial reports, academic documents, or any other form of content, converting standard PDFs to PDF/A ensures the file remains accessible and readable for decades to come. Batch converting these files can save time and resources, especially when dealing with large volumes of data. And when combined with a user-friendly drag-and-drop interface, this process becomes not only efficient but also accessible to non-technical users.  PDF/A is an ISO-standardized version of the PDF format designed specifically for digital preservation. Unlike standard PDFs, PDF/A is self-contained, meaning all the information needed to display the document in the same way—fonts, color profiles, images, and more—is embedded within the file. This ensures that the document can be reproduced exactly the sam...

PDF files are the universal standard for sharing documents due to their consistent formatting across devices and platforms. However, when it comes to maintaining confidentiality, protecting intellectual property, or branding shared documents, adding watermarks to PDFs becomes essential. PDF Watermark Creator allows users to apply watermarks—text or images—to one or more pages of a PDF document. The Preview Panel in UI provides a visual display of how the watermark will appear on your document. There are two main types of watermarks supported by our tool: Text Watermark: Input any desired text: "Confidential," "Draft Copy," "Company XYZ," etc. Supports multi-line text. Unicode support for multilingual text. Choose from a wide range of fonts. Adjust font size, color, alignment and styles. Image Watermark: Add your company logo or official stamp to reinforce authenticity and branding. Support a wide range of image file formats: avif, bmp, dib, emf, gif, heic,...

Mouse & Keyboard Recorder is an easy tool that can record all your mouse and keyboard activities, and then repeat all the activities accurately. This tool provides a convenient way to automate repetitive tasks. It is very useful and can save you a lot of time and effort.  The tool support hotkey: F5 (record), F6 (stop recording/repeating), F7 (repeat) while recording/repeating process. You can save all records to file (.csv) and use it later for repeating process. Features Record all mouse and keyboard activities and repeat accurately. Hotkey support: F5 (record), F6 (stop recording/repeating), F7 (repeat). Support setting repeat times. Support setting repeat speed. Can stop recording/repeating any time. Can hide window while recording/repeating (optional).