Welcome to the PDF Editor App Using HTML, CSS, and JavaScript, an interactive web-based tool designed to make editing PDF documents fast, simple, and accessible from any browser. This application allows users to upload a PDF file and perform essential editing tasks such as adding text, drawing, highlighting, inserting images, stamping signatures, and downloading the modified file—without the need for additional software or installations. Built with modern web technologies and an intuitive interface, the app delivers a smooth and responsive editing experience, making it suitable for students, professionals, teachers, and anyone who needs to manage PDFs on the go.

With its clean layout and real-time editing features, users can instantly preview their changes and export the final PDF in just a few clicks. The app is powered by core web technologies alongside PDF handling libraries, allowing all processing to run directly in the browser while keeping files private and secure on the user’s device. Whether you need to sign a document, annotate a report, or customize a page, this PDF Editor App offers a fast and user-friendly solution for everyday PDF tasks.

You may also check this simple HTML, CSS and JavaScript project:

• SEO Meta Tag Generator
• Energy Usage Monitoring App
• AI Image Cartoonizer
• CSS Glassmorphism Generator
• Advanced Statistic Calculator

Key Features

• Upload and view PDF files instantly in the browser

• Navigate between pages with built-in page controls and thumbnails

• Draw annotations and freehand markings on any page

• Add text, shapes, and highlights for clean and clear PDF markup

• Erase, undo, or redo edits at any time

• Zoom in and out for precise editing and review

• Save your work to local storage for future editing sessions

• Export the final document as a PDF or download individual pages as images

• Modern, responsive, and user-friendly interface design

Technologies Used

• HTML5 for structure and layout

• CSS3 for modern, responsive, and visually appealing UI design

• JavaScript (ES6) for core functionality and interactivity

• PDF.js for rendering PDF pages in the browser

• jsPDF for exporting edited pages back into a downloadable PDF

How to Use

• Upload any PDF file using the file selector in the app

• Use the toolbar to choose tools such as pen, text, shapes, or eraser

• Navigate through pages using the next/previous navigation controls

• Zoom in or out to adjust your editing view

• Apply edits directly on the page using your mouse or touch input

• Save your progress to your browser or export your edited PDF when finished

• Download your final output as a PDF or as an image file

Sample Screenshots of the Project

Landing Page

Sample Edit

Downloaded (Edited)

How to Run?

• Download the provided source code zip file.
• Extract the downloaded zip file.
• Open the html file and you are now ready to go!

Video Demonstration for Installation/Setup:

Conclusion:

In conclusion, the PDF Editor App Using HTML, CSS, and JavaScript provides a convenient and efficient way to edit PDF documents right from your browser, eliminating the hassle of complicated desktop software. Its powerful features, modern design, and secure client-side processing make it a reliable choice for handling a variety of PDF editing needs anytime and anywhere.

That's it! I hope this "PDF Editor App Using HTML, CSS and JavaScript" will assist you on your  programming journey, providing value to your current and upcoming project.

For additional tutorials and free source codes, explore our website.

Enjoy Coding :>>