Raw.pics.io is an in-browser viewer and converter for RAW image formats including CR2, NEF, ARW, ORF, PEF, RAF and DNG. It converts and edits RAW, PDF and JPG files into JPEG, PNG and other formats, with resizing, compression and pixel size changes available. All processing happens in the browser, and the service is free for the first five conversions without registration.
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Rnote is an open-source vector-based drawing app for sketching, handwritten notes and annotating documents and pictures. It offers pressure-sensitive stylus input, an infinite canvas and an adaptive UI, with PDF, bitmap and SVG import. It is available for Linux, macOS and Windows, and the file format is described as still unstable.
RSSTango is a directory of categorized RSS feed links, covering topics including general news, cybersecurity, Linux distributions, filesharing, programming, technology, and podcasts. Some listed links are marked with content warnings, and the directory supports exporting feed lists in raw text, PDF, PNG, WebP, and JPG formats.
Scanner is a Windows application for WIA-compatible scanners that saves multiple pages as a single PDF or separate images. It includes a built-in editor for cropping, rotating, drawing with Windows Ink, renaming files and deleting or reordering pages, and is available in the Microsoft Store.
Scribble Maps is a web tool for creating and sharing maps of various types. Maps can be shared with friends, embedded on websites, or exported as images or PDF files. A Pro tier is offered with a trial and demo.
StudyCraft is a multi-platform desktop study application. It automatically generates flashcard decks and tests from user-provided study materials, including PDFs, Markdown files, websites and GitHub repositories. The tool also supports study session progress tracking and integration with multiple large language model providers.
StudyCraft is an open source, free study tool available for Windows, MacOS and Linux. It allows users to import study materials including PDFs, Markdown files, webpages and GitHub repositories, which are automatically indexed into a vector database for semantic search. Users can customize their imported content, and the tool automatically generates flashcard decks and practice tests, plus provides study session analytics to track progress. It supports self-hosted and cloud-hosted large language model integrations and is built for fast performance.
Supermemory is a memory and continual learning engine for AI agents. It extracts and stores context from users and tasks in a vector-graph database, then injects prior memories into an agent's context. It is offered through an API, plugins, and MCP, and supports ingestion of text, URLs, documents, PDFs, Office and Google Workspace files, code, markdown, images, audio, and video.
Suwatte is an ad-free reader for manga, comics and novels on iPhone and iPad. Users can install sources, connect servers such as Komga, Kavita, Suwayomi or OPDS, or open their own files, including CBZ, CBR, PDF, EPUB and image folders. It saves progress and downloads chapters for offline reading. Requires iOS 17 or later.
TextCompare is a browser-based tool for comparing two text files side by side. Users paste original and modified text and click Compare to view highlighted differences, with deleted strings in red and added strings in green. It also counts added and deleted lines, can format text, export the diff as PDF, and share diffs via URL.
Document search engine for finding text files, PDFs, documents, and public downloadable content.
The Preparedness Encyclopedia is a comprehensive portable collection of preparedness information intended to support survival during catastrophes and post-disaster societal rebuilding. It is available as a downloadable PDF file, with an optional offline Prep Drive version also offered.
A PDF version of the Toki Pona Dictionary, compiled by Sonja Lang and released in 2021. The Wikimedia Commons file runs 392 pages and omits the book cover and pages 393 through 402, which feature creative works by different authors. The author released the contents to the public domain.
ToolKnit is a free browser-based toolbox of 94 tools for PDF, image, video, audio and text tasks, plus a World Holidays Hub. Local file tools process files on the user's device, while AI requests go to a configured provider and speech features use a server endpoint. No account is required.
TTSReader is an online text-to-speech reader that turns text into natural-sounding speech for listening online or generating downloadable audio. It reads plain text, files, PDFs, e-books and websites, supports export to MP3, and remembers text and position between sessions. It runs in a browser without installation and also offers an iOS app.
ugrep is a file pattern searcher presented as a compatible grep replacement. It searches archives and compressed files, binary files, and documents such as PDF and docx, and can output results as grep, JSON, XML or CSV. Installations are listed for macOS, Windows, Linux and BSD systems. The ug command offers optional configuration, while ugrep does not set default options.
UnSoloMind turns uploaded PDFs and other knowledge files into an AI assistant that answers questions around the clock. Knowledge is uploaded once and shared through guest invites, and users chat with the assistant for answers. The site lists Basic, Pro and Business subscription plans with monthly credit allowances, model access and limits on Minds and invited users.
YobiYoba is a speech recognition service that transcribes audio and video recordings into editable, time-coded text. Users upload files, specify or auto-detect the language, verify and edit transcripts, then download them in formats such as SRT, PDF, or VTT. Processing produces speaker labels, time codes, and confidence scores. Pricing is pay-as-you-go, from 0.01 € per minute of speech.
Yomu is an ebook reader for iPhone, iPad and Mac. Its layout adjusts text properties and margins to preferred styles and devices, and it offers font and reader mode choices, note taking and highlighting. It supports DRM-free EPub, Mobi, Kindle, PDF and comic files, and keeps books and annotations synced through Apple's iCloud.
Zoho Show is a free online presentation software for creating, collaborating on, publishing, and broadcasting presentations from any device. It includes access to AI-assisted slide creation with Zia AI and imports existing PPTX, PPT, ODP, PPSX, and PPS files. Presentations can be exported in PPTX, PPSX, HTML, ODP, and PDF formats.