CheckFileType is a free online tool that determines a file's true type, extension and MIME type from its contents rather than its extension. Users upload a file without registration, and the tool can look inside archives such as ZIP files to report the type of each contained file. Files are stored temporarily and removed after one hour.
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cliget is a Firefox addon that generates curl, wget or aria2 commands for downloading login-protected files from the command line. The generated commands emulate browser requests by sending the same cookies, user agent string and referrer. It is intended for downloading email attachments, purchased software or media, and source code from private repositories to a remote server without downloading files locally first.
Clonr is an online service that mirrors public MEGA links to fast, unthrottled direct downloads. It does not require users to create an account, install an application, or adhere to transfer quota limits. Users can preview files directly in their web browser, and the service supports cloning of both public MEGA files and folder links.
Compress Video Online is a free browser-based tool that cuts and compresses video files to a chosen output size while attempting to preserve quality. Files are processed locally in the browser using HTML5 and FFMPEG JS, so no upload or software installation is required, and output includes no watermark. It supports formats such as MP4, WEBM, MOV, FLV, and MKV.
OpenCore Configurator is a graphical utility designed to help users create custom configuration files for the OpenCore EFI bootloader. Similar in function to the earlier Clover Configurator, it streamlines the process of generating OpenCore EFI configuration files, with both current and older versions available for download via the project website.
A free browser-based tool for cropping video files, using HTML5 and JavaScript so files are processed locally without upload. Users set the cropping area with the mouse or by entering values and can set start and end times. Output format can be configured, and supported formats include MP4, WEBM, MOV, FLV, MKV and AVI.
CrushImage is a browser-based image compression tool. It reduces JPG, PNG, WebP, and HEIC file sizes locally, without uploading files to a server. The site offers options for target file sizes, conversion to WebP or JPEG, resizing dimensions, and before/after quality comparison. HEIC files from iPhones are converted to JPG during compression.
CyberChef is a web application for encryption, encoding, compression and data analysis. It provides hundreds of operations that can be combined into recipes, and input files can be dragged onto the input box, with files up to around 2GB supported depending on the browser. It is released under the Apache Licence, Version 2.0.
An online decompiler that accepts uploaded artifacts and converts them back to source code or extracted resources. It supports Java class and archive files, Python bytecode, .NET assemblies, Android packages and Flash files, among other formats.
JavaScript Deobfuscator is a cleaner and deobfuscator for JavaScript files that is described as working in one click. It is also described as a simple deobfuscator for mangled or obfuscated JavaScript files.
Depot is a framework for storing and serving files in Python web applications. It supports backends including local disk, in-memory storage, GridFS, Amazon S3 and Google Cloud Storage, and attaches files to SQLAlchemy or Ming/MongoDB models with file rollback on transaction rollback. It is installed from PyPI as the filedepot distribution and requires Python 3.10 or later.
Direct.GDrive helps manage filesystems, mounts, drives, merged folders, or storage access.
DMDE is a data recovery tool for disks that can recover directory structure and files in some complex cases. It recovers file types such as photos, videos and documents from HDDs, SSDs, USB drives and memory cards. The free edition recovers up to 4000 files from a chosen directory.
dnGrep is a search tool for Windows that searches across text files, Word and Excel documents, PDFs, and archives using text, regular expression, XPath, and phonetic queries. It includes search-and-replace in text files, whole-file preview, right-click search in File Explorer, and result file management. It runs on Windows 10, 11, or Windows Server and may be incompatible with Windows Smart App Control.
Down, operated by Mdia Load, is a free file upload and sharing service. It supports standard file uploads, remote URL uploads, file copying, and drag-and-drop file selection. Users can send files via recipient email, add password protection to links, and upload files to folders, with a maximum individual file size of 10240 MB. Premium paid plans are available for additional features.
Download Bot is a distributed, cross-platform Telegram bot designed to control an Aria2 download server, manage files on the associated server, and upload files to OneDrive or Google Drive. The project is hosted on the public GitHub repository gaowanliang/DownloadBot.
Downloader is an app that helps users download files onto Fire TV, Google TV, Android TV, Android phones, Android tablets, or Fire tablets. Its documentation covers a built-in web browser, files, favorites, settings, and enabling apps from unknown sources.
DropDrive helps manage filesystems, mounts, drives, merged folders, or storage access.
Dryad is a nonprofit data publishing service where researchers can submit data files in any format and receive a citable DOI. Curators check submissions for accessibility and reusability of files and metadata before release. Submissions may be linked to an article or not, and data can be published privately for peer review.
DSL Converter is a dictionary conversion tool. It converts dictionary files from DSL format to StarDict and MDict formats, and allows users to select one or more .dsl files for processing.
DVDStyler is a cross-platform free DVD authoring application for creating DVDs with interactive menus. It supports burning video files to DVD and designing custom menus or selecting ready-to-use templates. It is open source software distributed under the GNU General Public License, with a version listed as DVDStyler-3.2.1.
Echosync is folder synchronization software for Windows and Linux that updates a destination folder from a source folder by applying only differences. It detects moved and renamed files, supports portable mode, and performs unidirectional synchronization. It supports paths longer than 255 characters and symbolic links, and can copy locked files via Volume Shadow Copy when run with administrator privileges.
Elephas is a private AI tool that answers questions from a user's own documents, showing the source for every answer while files stay stored on the computer. Documents such as PDFs, Word files and spreadsheets are indexed locally, and users choose whether answers come from Elephas AI, their own API key or a local model. It runs on Mac, with Windows described as coming soon.
Encrypt Pad is a minimalist secure text editor and binary encryptor that implements the RFC 4880 Open PGP format. It provides symmetric encryption, compression, and integrity protection for files, and supports protection via passwords, key files, or both.