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Dangerzone is a free and open source project maintained by Freedom of the Press Foundation. It converts potentially dangerous PDFs, office documents, or images to a safe PDF. Documents are sanitized in a sandbox with no network access, and the document is converted into pixels and rebuilt as a PDF.
Collection of free web-based tools for editing, converting, merging, splitting, compressing and otherwise manipulating PDF files. Processing happens in the browser with no installation required. Categories cover organizing PDFs, converting to and from PDF, signing and security, and viewing and editing, including OCR cleanup of scans.
Docling is an open-source tool that parses multiple document formats, including PDF, DOCX, PPTX, XLSX, HTML, EPUB, email formats, images, audio and more. It provides advanced PDF understanding such as page layout, reading order and table structure, a unified DoclingDocument representation, and export to Markdown, HTML and JSON. Integrations include LangChain, LlamaIndex, Crew AI and Haystack.
Eat The Fruit's PDF Library offers over 1,800 PDF documents for download, featuring public domain works no longer under copyright. Most books were published between the early 1500s and early 1900s. Topics include the Ancient Near East, Ancient Egypt, paganism, Celtic mythology, the occult, secret societies, and Far Eastern literature. Some documents may be in German, Italian, or other foreign languages.
Find-pdf-doc helps search public documents, archives, records, and research collections.
ihatepdf is a free online PDF service accessible via the ihatepdf.cv domain, offering over 60 PDF tools with no watermarks, required file uploads, or sign-up steps. All processing occurs in the user's browser, files remain on their device, and the tool works offline. Supported functions include merging, splitting, compressing, editing, performing OCR, and encrypting PDFs, and the service is free to use permanently.
Online2PDF is a free online PDF converter that combines conversion, merging, editing, compression, unlocking and protection in one interface. It converts Word, Excel, PowerPoint, OpenOffice, image and XPS files to PDF and exports PDFs to Word, Excel, PowerPoint and JPG. It also supports page extraction, reordering, splitting, rotation and removing printing or editing restrictions.
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.
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.
PDF search engine for finding public PDF files, documents, books, and reports.
VideoUtils offers online video, audio and image converters for everyday multimedia tasks, letting users compress, convert and edit multimedia files online for free. Listed converters include MP4 to MP3 conversion, audio removal, video resizing, PDF password removal and Word to PDF conversion.
WebToPDF is a free online converter that transforms web pages or HTML into PDF files. Users can adjust settings such as page size, orientation, margins, headers, footers, watermarking, and conversion options like removing JavaScript or adding page numbers. The typical workflow involves copying a webpage URL, pasting it into the service, clicking Convert, and downloading the resulting PDF.
wkhtmltopdf and wkhtmltoimage are open source command line tools that render HTML into PDF and image formats using the Qt WebKit rendering engine. They run headless without a display or display service. A C library, libwkhtmltox, offers bindings for PDF and image conversion.
UNdata is an internet-based United Nations data service that aggregates UN statistical databases into a single entry point at http://data.un.org/. It allows users to search and download a range of statistical resources from the UN system. The service hosts 32 databases containing 60 million records, covering topics including population, national accounts, education, and labour market statistics, with datasets available for download in PDF and CSV formats.
A book of more than 150 traditional Christmas carols, available in print and as downloadable PDF formats. MIDI files are provided for every song in the book, and the book is also viewable on Google Books and Scribd.
Aconvert.com converts document, ebook, image, icon, video, audio and archive files online for free. Users select a local file and a target format, then convert; batch conversion is available by adding multiple files. The site is an extensional site of PDFConvertOnline.com.
AnyTXT Searcher is a desktop full-text search application that extracts text from documents and indexes it for searching. It supports formats including plain text, Word, Excel, PDF, and images via offline OCR, and runs on Windows, MacOS, and Linux.
BentoPDF is a free, open-source online PDF toolkit that processes files locally in the browser using WebAssembly, so files are not uploaded. It offers over 100 tools for merging, splitting, compressing, converting, editing, annotating, signing and filling PDFs, and is described as self-hostable with offline OCR.
Big-O Cheatsheet is a webpage presenting space and time Big-O complexities of common computer science algorithms. It includes a Big-O complexity chart, common data structure operations with average and worst case time complexity and space complexity, and array sorting algorithms with best, average and worst case time complexity. A downloadable PDF version is offered.
BreezePDF is a PDF editor that runs in the browser or locally on a desktop. It provides functions for adding text, signatures, form fields and images, and for merging, splitting, reordering and password-protecting PDFs. It also supports export to DOCX and CSV. Files are processed locally and are not uploaded to servers.
Cards Against Humanity is described as a fill-in-the-blank party game in which one player asks a question from a black card each round and others answer with their funniest white card. The game is sold, and PDF downloads are offered for free.
Chordly is a free, open-source online tool for making chord sheets, chord charts, and lead sheets. It transposes chords instantly, imports ChordPro files, exports to PDF, and organizes chord sheets into set lists. Users can edit chords and lyrics inline, with changes saved instantly. No account is required.
The Cologne Digital Sanskrit Dictionaries are Sanskrit lexicons prepared since 1994 by the Institute of Indology and Tamil Studies, Cologne University. The 44 dictionaries are organised primarily by secondary language and then by publication date, from 1832 to 1993. Each offers several display types plus PDF scan and XML files for download, along with an offline web app and iOS, macOS and Android apps.
