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What are some free online tools or software that allow me to easily edit PDF files without compromising on quality or formatting?
The Portable Document Format (PDF) was created in the 1990s by Adobe Systems to provide a consistent and reliable way to exchange and view documents, regardless of the device or operating system used.
PDFs are not easily editable because they are designed to be a "digital paper" format, not a word processing format.
Online PDF editors use Optical Character Recognition (OCR) technology to identify and extract text from scanned PDFs, making them editable.
The PDF format is based on the PostScript page description language, which was developed in the 1980s by Adobe Systems.
Most online PDF editors use a combination of HTML, CSS, and JavaScript to render PDFs in a web browser, making them editable.
The PDF format supports encryption, allowing you to add passwords and permissions to control access and editing of your PDF files.
When you upload a PDF to an online editor, the file is typically converted to a raster image, which is then overlaid with editable text and graphics.
Online PDF editors use various algorithms to analyze the layout and structure of a PDF, allowing you to edit text, images, and shapes.
The PDF format supports annotations, which are notes, highlights, and comments added to a PDF file.
Many online PDF editors use AES-256 encryption to secure uploaded files, ensuring that they remain confidential and protected from unauthorized access.
Some online PDF editors use machine learning algorithms to improve the accuracy of OCR technology, making it easier to edit scanned PDFs.
The PDF format is an open standard, maintained by the International Organization for Standardization (ISO), ensuring that PDFs can be viewed and edited across different platforms and devices.
Online PDF editors often use a combination of client-side and server-side processing to optimize performance and minimize bandwidth usage.
The PDF format supports multimedia content, including audio, video, and interactive elements, which can be edited online using specialized tools.
Some online PDF editors use webAssembly to optimize performance and security when editing PDFs in a web browser.
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