WebP is a popular image format that has been developed by Google in 2010. The WebP technology deploys features of both the lossy and the lossless compression techniques that are totally in contrast to each other. The lossy compression technique is an irreversible data compression whereas lossless compression technique involves reversible data compression. However, the lossy compression technique is very useful in significantly reducing the file size for easy transfer and handling as well as to save on storage space. Compared to other image formats like JPEG and PNG, the WebP image formats retain the high quality despite allowing for nearly 34% more compression. This technology is useful as a large number of images can be viewed one after the other across the world at very high speed. There is a standalone library called libwebp in the GIT Repository that can be used as a reference for implementation of the WebP specifications. This library provides the necessary commands for encoding and decoding.
The .pdf file format extension was developed by Adobe systems in 1993 as a means of presenting documents in a consistent manner across different platforms, hardware, operating systems, and applications. The format was not released as an open source document format until 2008, though minimal proprietary technologies still controlled by Adobe Systems exist in the format. Every .pdf document carries with it the necessary meta information required to properly reconstruct the text, fonts, and graphics used to produce the document. This ensures that documents will be viewed in exactly the same way the author intended regardless of the device used to open the document. From conception to date, Adobe Systems has continued to support the format adding features with every iteration of the standard including hardened algorithms for document encryption and privacy. Today, many freely available readers exist allowing you to open and view .pdf documents and create or convert other file formats such as .jpeg and .doc into .pdf documents.
FreeFileConvert uses tuned encoding for WEBP to PDF conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload WEBP files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized PDF results on any device you rely on.
Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent PDF audio with dependable progress tracking.
The algorithm for lossy compression technique in WebP images is based on the structure found in the VP8 video format which uses the intra-frame coding mechanism. The RIFF (Resource Interchange File Format) is used as the container format for these files. The lossless compression of WebP comprises of advanced compression techniques like using dedicated codes to entropy channels of different colors. This technique exploits the 2D or the 2 Dimensional localities for referencing distances in a backward order and maintains a color cache that has all the colors that have been used recently. It comprises of complementary basic techniques like Color Indexing Transformation, Huffman coding and Dictionary coding. There is almost a 19% to 64% reduction in image size depending on the source image format and whether the image is being converted to a lossy or a lossless format in WebP.
The .pdf file format version 1.7 was standardized in 2008 in ISO 32000-1 and is currently recognized as an open format. The most recent release is 1.7 Adobe extension level 8 supporting Adobe's proprietary XML Forms Architecture 3.3 which introduced bulleted lists, XML Encryption, and Flash integration among other features.
Upload your image file in the WEBP format from your device, Dropbox, or Google Drive.
Select PDF as the output format and click Convert. Adjust optional settings if needed.
Download the converted document file. Each file stays available for up to 5 downloads.