217+ iOS apps curated and reviewed
The best 4k video converter apps on iPhone average 4.4★ across 217+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
Convert and compress videos effortlessly with this fast app supporting multiple formats like MP4, MKV, and AVI. Easily merge 4K videos in batches. Try it now for quick and efficient video conversions.
A video conversion app that quickly compresses and converts files to various formats, offering easy saving, sharing, and viewing options for your converted videos. Requires a subscription with a free trial for unlimited access to all features.
Elevate your video quality with our innovative upscaling app. Enhance your videos to stunning 16K resolution for a sharper viewing experience. Try it now and see your videos in a whole new light!
Easily convert videos to various formats such as MP4, MP3, and more with quick processing times. Save, share, and view files in your favorite apps, and even AirDrop them to your Mac or other devices. Stay connected to the internet for cloud-based conversions, with added support for local conversions.
Convert various media files, including videos to MP3, extract audio from videos, compress video files, and play a wide range of formats. Features include converting audio to MP3, M4A, OGG, WAV, and more, converting video formats like MP4, MOV, and AVI, and file transfer options. Upgrade to the professional version for additional benefits. View privacy policy and terms of use. Contact junjie_ruan@163.com for more information.
Convert, compress, and edit videos with ease using this application. Transform your files into various formats such as MP4, MP3, and WebM effortlessly. Try it now for seamless video editing!
This app quickly converts videos to various formats, allowing for easy editing and sharing. With its simple interface, users can convert, compress, trim, merge, and extract audio from videos in just a few seconds, and then save or share their files in their favorite apps.
A powerful video editing app that offers a wide range of tools for editing and enhancing videos. Create professional-looking videos with ease, add effects, music, and text, then share your creations with the world. Download now to bring your videos to life!
Easily convert and save your favorite videos with just a few clicks using this convenient application. Start saving time and space on your device by converting videos effortlessly now!
A versatile multimedia player for all your files, VLC offers seamless playback in various formats without the need for conversion. Enjoy easy file syncing with popular cloud services and streaming from different servers, all for free and open source.
Easily save and organize your favorite videos from various platforms with vSave. Directly download videos to your device for offline viewing. Try it now to keep all your videos in one place!
Unlock the full potential of your video library with this all-in-one video converter, which offers features such as video to GIF conversion, video merging, and lightning-fast conversions. Try it for free today and take your video editing to the next level!
Crop and resize videos effortlessly with this app. Perfect for adjusting video dimensions with ease. Download now to start enhancing your videos!
Convert videos from various formats to audio with the MP3 Converter app. Simply select your videos to convert, choose the output format, and enjoy your files in seconds. Try it now for easy and free conversions.
Convert your videos to MP4 format easily with our app! Customize quality settings for optimal file size and image quality. Keep your data secure by processing conversions on your device. Available now on all iOS devices.
A video converter app that converts video files to various formats like mp4, avi, mp3, and more. Features include changing video dimensions, cropping videos, converting to GIF or MP3 files, sharing converted files, and a history of conversions. Experience versatile video conversion with ease.
This video conversion tool helps you convert almost any video format to various output formats, including AVI, MP4, and more, while also supporting video cropping and playback. Subscribe now to get unlimited access to all features and start converting your videos with ease.
Easily convert videos to various formats, trim and edit them with a user-friendly interface. Effortlessly customize your videos for sharing or saving. Try it now!
This application efficiently compresses video files without compromising quality, making it easier to store and share videos. Compress your videos with ease and save storage space now!