A simple tool to convert many image and video files at once. I made this to handle basic file tasks with a simple interface.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
ConvertOnline Alternatives
Apps similar to ConvertOnline include HandBrake, which is free and open source. Other options are FFmpeg, File Converter, ImageMagick and Shutter Encoder. There's no shortage of Video Converters like ConvertOnline, with more than 50 alternatives for Windows, Mac, the web, Linux and iPhone.
Alternatives list
253 Koolyz alternativesYour ultimate collection of 100+ free online tools, designed to simplify everyday tasks in seconds. Fast, smart, and easy to use.
Cost / License
- Free
- Proprietary
Platforms
- Online
Instantly convert image files and multi-page PDFs to JPEG using a Mac-exclusive app. Features advanced control for resizing, compression, batch processing, and support for multiple formats and workflows, all through an intuitive drag-and-drop Dock interface.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Mac
United Kingdom
Many online file conversion tools are boring and insecure. They only allow conversion between two formats in the same medium (images to images, videos to videos, etc.), and they require that you upload your files to some server.
Cost / License
- Free
- Open Source (GPL-2.0)
Application typeApplication types
Platforms
- Online
- Docker
C
FLINT is a privacy-first, in-browser file toolkit with a multi-format converter (100+ formats), PDF organizer, file metadata cleaner, and subtitle fixer—no uploads, no logins, no tracking, and no file size limits.
Cost / License
- Free
- Proprietary
Platforms
- Online
- Global
+2
Professional image sequence to video, video to video, and video to image sequence conversion tool for macOS with a hybrid color pipeline.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Mac
Cyprus
EU
ConvertUniverse is a scriptless, privacy-first document automation platform built for operations teams. It replaces repetitive manual data entry and single-file conversions with a powerful, drag-and-drop visual workflow builder.
Cost / License
- Freemium
- Proprietary
Platforms
- Software as a Service (SaaS)
- Online
- Global
+6
OpenConvertVideo converts video entirely inside your browser. Files are never uploaded, conversion runs on your own machine.
It's private, no account, no watermark, and no imposed file size limit; the only ceiling is your device's memory.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
Denmark- EU
Convert images, documents, videos, audio, ebooks, and 3D models entirely on-device with batch mode, OCR, adjustable quality, previews, conversion history, dedicated album, archive extraction, and no cloud, ads, accounts, or subscriptions for privacy.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Mac
- iPhone
- iPad
Spain- EU
