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A web tool for editing PDF bookmarks. Users select a PDF, add or edit chapter, section and subsection bookmarks, and import bookmarks via keyboard shortcuts. It also includes a merge feature where files are dragged to reorder them before merging.
PDF Drive is a free online platform that provides access to downloadable PDF eBooks across categories including drawing, comics, science and health. It offers faster previews, a personalized experience, and the ability to convert files to EPUB or MOBI format, with options to send downloads to email or Kindle. A premium account option is also available.
PDF Fixer is a PDF repair utility for Windows that fixes corrupt PDF files and recovers PDF documents. It is described as able to recover multiple PDF files at once and to repair PDFs that PDFTK and Ghostscript cannot repair.
PDFMAGAZ.IN is a website offering PDF-format magazine and e-book issues, including recent releases and archives of older magazines. It lists publications by category and language, and the site states that issues can be downloaded to Android tablets, iPads, iPhones and iPods for reading. The collection includes a History category with titles such as All About History.
A catalog of PDF magazines with search and categories, offering downloads of recent issues of magazines from around the world. Most titles are in English, with some in other languages such as Spanish and French.
PDF2Go is a free online PDF editor and converter. It provides tools for editing, merging, splitting, rotating, compressing, protecting, unlocking and repairing PDF files, as well as converting PDFs to formats such as Word, JPG, Excel and PowerPoint, and converting other file types to PDF.
PDF4QT is an open source PDF editor for Windows and Linux under the LGPLv3 license. It offers applications for viewing, editing and rendering PDF documents, plus a C++ library and command line tool for developers. Features include digital signature verification, annotation editing and page organization such as merging and splitting.
Free online document converter that converts Word, Excel, PowerPoint and image files such as TIF, JPG and HEIC to PDF, PDF/A or image formats. Files are uploaded through the browser with no installation required. A separate desktop tool, docuPrinter Pro, is offered for creating PDF or image files from Windows applications with a print menu.
PDFCrowd provides APIs and integrations for converting HTML, URLs, and web pages to PDF. It offers an HTML to PDF API, WordPress plugin, WebSave as PDF, and automation integrations including Zapier and Make, along with free online tools. Documentation covers several document and image APIs and client libraries.
PDFEncrypt is a free, open-source native Windows app that encrypts PDF files using standard PDF encryption algorithms. Users specify a password required to open the document along with options and permissions for the PDF. Encryption runs locally on the Windows PC rather than uploading files to a third-party server. The app uses the iTextPDF library and is released under the AGPL license.
pdfgrep is a free command-line tool that searches for patterns in PDF files and prints matching lines. It aims to be mostly compatible with GNU grep, supporting options such as -r, -i, -n, and -c, with extended regular expressions by default and page rather than line numbering for -n.
PDFiles is a site for downloading PDF ebooks, described as offering many electronic books in Arabic and English, including technical references. It lists English and Arabic book sections, categories such as Android, databases, programming and networks, and a latest books section with titles available to download.
PDFResizer is a free suite of online PDF tools that runs in the browser. It offers resizing, merging, splitting, cropping, rotating, compressing, and converting PDFs, along with reordering and deleting pages, adding page numbers, N-up printing, password protection and removal, image extraction, repair, form filling, and grayscale conversion. The site states that no software installation or registration is required.
PDF search engine for finding public PDF files, documents, books, and reports.
PeanutBase is a collaborative community resource that integrates genetic, genomic and trait data across Arachis species to support peanut improvement. It provides genome browsers, gene and trait search tools, a BLAST server, germplasm and gene expression resources, and downloadable data sets, with much of the data also accessible through ArachisMine.
PeaZip is a free, open-source file archiver utility for Windows, macOS and Linux. It opens and extracts RAR, TAR and ZIP archives and supports more than 200 formats. The software is built on 7-Zip, Zstandard, FreeArc, Brotli and PAQ compressor technologies. It adds two-factor authentication with a password and keyfile for formats supporting encryption, and it is natively portable.
This data portal provides online access to data from various PermaSense deployments. Virtual sensors load data with an auto-refresh interval the user can set. Accessing, managing and processing PermaSense data requires downloading the PermaSense Data Manager. The project involves the University of Innsbruck, SLF Davos and Uni Zurich, and is powered by GSN from the Distributed Information Systems Lab at EPFL.
Personas by Draftbit is an avatar generator that lets users mix and match skin, hair, facial hair, body, eyes, mouth, nose and accessories with customizable colors. Avatars can be downloaded as PNG or shared as a URL, and every avatar is a link composed with query parameters. It is free and open source under the MIT license.
Pfps.gg is a website for finding profile pictures and banners for social platforms and gaming services, including Discord, Twitter, Instagram, TikTok and Steam. It organizes images into categories such as Anime, Aesthetic and Gif, and lists downloadable pfps with file format and download counts. The site also offers an Android app.
PHI-base is a curated database of molecular and biological information on pathogen genes shown to affect the outcome of pathogen-host interactions. It also records target sites of some anti-infective chemistries and covers pathogens, hosts, diseases, ontologies, taxonomies and literature citations. Users can search, run BLAST searches for homologs and phenotypes, download data and submit published phenotype data.
Phoenix is a semi-untethered jailbreak for all 32-bit devices running iOS 9.3.5 through 9.3.6, created by Siguza and tihmstar. The site provides the IPA download, installation steps using Cydia Impactor, default offsets for affected devices, and a changelog. It notes that the app must be reopened after each reboot and reinstalled when it expires.
PhotoGuruAI is an AI photo app that turns phone selfies into professional photos. Users upload 1 to 10 selfies, pick a look such as LinkedIn Headshot or Dating Photos, and download results in HD or 4K. The first photo is ready in under a minute, and credits never expire.
Photon is a cross-platform file transfer application built with Flutter. It shares folders, files and text, supports folder sharing that preserves directory structure, and works between devices on the same local network or mobile hotspot without an internet connection.
Photopea is a free online photo editor that runs directly in web browsers with no required downloads or file uploads. It supports professional file formats including PSD and RAW, and offers editing tools such as cropping, resizing, layering, masking, and blending. All processing occurs on the user's device, so files never leave their hardware.
