4K Video Converter
The best 50 4K Video Converter AI tools - Free & Paid
Explore 50 AI for 4K Video Converter
Wondershare UniConverter is an AI‑powered all‑in‑one tool that converts, enhances, compresses, records, and edits video and audio. It supports 1,000+ formats, delivers ultra‑fast conversions, upscales to 4K/8K, adds subtitles, removes backgrounds, and preserves metadata for creators and SMBs.
Paid
Winxvideo AI enhances videos and audio, upscaling to 4K/8K/HDR, stabilizing and interpolating frames while reducing noise. It offers batch GPU‑accelerated conversion, editing tools, 60 fps screen recording, and AI photo restoration for creators and educators.
Freemium
- $9.99/mo
Video Converter is a free browser-based tool that converts video and audio files between popular formats and extracts audio. It offers cloud processing for large files, batch conversion, and adjustable quality settings, all with secure, encrypted handling.
Free
Vmake AI Video Enhancer upsamples MP4, MOV, AVI, etc. to 2K/4K/AI 4K+, removes artifacts, improves low‑light, reduces noise, and offers watermark/text removal, background elimination, and subtitle generation, giving creators, e‑commerce, and gamers sharper, cleaner videos.
Subscription
- $9.99/mo
Browser-based Online Audio Converter converts 300+ audio/video formats to MP3, WAV, M4A, FLAC, OGG, etc., extracts audio from video, offers bitrate/sample rate/channel controls, fade/reverse/voice removal, batch conversion, metadata editing, and cloud export.
Subscription
SliceTube trims and downloads YouTube videos directly, offering start‑and‑end selection and export to MP4, MP3, or WEBM up to 4K. Browser‑based, watermark‑free, and privacy‑protected, it’s useful for creators and educators needing quick clips.
Paid
- $5
EaseUS Online Video Repair is an AI tool that repairs corrupted video files in formats like MP4, MOV, and AVI. It automatically fixes issues like pixelation and audio syncing while preserving original quality and offers advanced recovery options.
Free
Upload video files (MP4, MOV, MKV, M4V, AVI) and apply AI models—Face, Animation, Denoise, Low‑Light, Colorize—to improve clarity, reduce noise, brighten dark scenes, or add color. Preview changes, upscale to 4K, then download without watermarks.
Paid
AVCLabs Video Enhancer AI uses deep learning to upscale, denoise, sharpen, colorize, and interpolate frames, automatically detecting and refining faces. It supports batch conversion, preview comparison, multiple formats, preserves frame rates, and leaves originals unaltered.
Free
Apowersoft delivers cross‑platform screen, audio, and video capture with high‑fidelity recording, along with versatile media conversion, editing, and PDF OCR. It also offers background removal, data recovery for mobile/desktop, HEIC conversion, and multi‑monitor support for creators and businesses.
Free
AI Video Enhancement enlarges and improves video/images with no quality loss, scaling to 2K/4K/8K, noise‑reducing, colorizing black‑and‑white, interpolating up to 240fps for smooth slow‑motion. Supports MP4, MOV, MKV, AVI, JPG, PNG, BMP, GIF, WEBP; batch ZIP; desktop for Mac/Windows.
Paid
Veo3 is an advanced video generation model that creates high-quality 4K visuals with realistic motion. It supports various prompts and camera controls, minimizing artifacts while simulating real-world physics for dynamic cinematic results.
Freemium
HitPaw Video Enhancer is an AI-powered tool that upscales and enhances low-resolution videos to higher resolutions and improves video quality without losing it.
Free trial
ImageToVideo AI converts JPG, PNG, or WebP images into MP4 videos. Users can crop, resize to social‑media ratios, choose speed/quality presets, apply 50+ templates, add AI music, and edit motion via a prompt editor—all watermark‑free.
Paid
AI‑driven cropping converts landscape footage to portrait in one click, preserving key subjects. Supports batch processing, real‑time preview, and export to Instagram, TikTok, YouTube Shorts. Integrates with editing suites for streamlined, efficient workflows.
Freemium
Mobby Download enables users to trim and download YouTube videos easily, offering support for multiple export formats like MP4 and MP3. Its user-friendly interface and fast processing speeds make it suitable for both casual and professional creators.
Free trial
UniFab AI enhances video and audio with AI: upscales to 16K 120fps, denoises, colorizes black‑and‑white, sharpens faces, converts formats, upmixes to surround sound, removes vocals, and supports batch GPU‑accelerated processing for creators and archivists.
Paid
VideoCompress.ai is a free online tool that drastically reduces video file sizes by up to 80% using advanced H.265 encoding. It allows you to preview the compression in real-time while ensuring your files are secured with end-to-end encryption.
Free
HeyGen automatically produces 1080p/4K videos from text, images, or audio, adding voiceovers, subtitles, and brand‑aligned styles. It supports avatar animation, photo‑to‑video, and multilingual translation with lip‑sync, enabling quick, localized visual content for marketing, training, and social me
Freemium
- $24/mo
VidHex is an AI-powered video enhancement tool that upscales low-resolution footage to 4K/8K, restores quality, and colorizes black-and-white clips. It optimizes exposure, contrast, and noise reduction for creators, educators, and casual users.
Freemium
Wondershare Filmora® is an AI-driven video editing software that offers intuitive drag-and-drop editing, automatic scene detection, and audio synchronization, alongside templates and effects, making it suitable for beginners and experienced editors alike.
Freemium
Tella is a cross-platform screen recorder and video editor that captures screen and webcam in 4K, offers clip-based recording with multi-camera layouts, transcript-driven and AI-assisted editing (filler removal, silence trim), templates, hosting and export options.
Free trial
- $13/mo
Leawo PhotoIns AI Photo Enhancer uses deep learning to sharpen details, adjust white balance, correct exposure, and retouch skin. It isolates subjects for background removal or transparency, supports 40‑fold upscaling, and offers batch processing on Windows and macOS.
Freemium
CapCut is an AI-powered video editor & design tool with social media templates, background removal, upscaling, color correction, portrait generation, text-to-speech, voice changers, and team collaboration support - accessible online and for Mac download.
Free trial
Imgupscaler is an AI tool for enhancing image quality by upscaling images to 4K resolution. It supports multiple formats and restores details while reducing noise, making it suitable for e-commerce, social media, and graphic design.
Freemium
Video Cutter is a free online tool for precise, lossless trimming and splitting of videos in multiple formats. It features a drag-and-drop interface, preserves audio and subtitles, and allows quick export and sharing of clips.
Free
EchoWave converts audio into video using templates or custom layouts, adds subtitles and waveforms, offers editing tools, compresses files, and exports to social media formats—ideal for podcasters, musicians, and creators seeking quick, cloud‑based video production without software.
Freemium
- $19/mo
Topaz Video AI is a powerful video enhancement tool that uses AI models to upscale, deinterlace, stabilize, and interpolate frames for high-quality results.
Paid
- $99
AI‑powered Image Enhancer Online upsizes and restores photos and videos to 4K/8K, applies style filters, face/background edits, and batch drag‑and‑drop processing. It serves hobbyists, photographers, designers, and marketers seeking quick, high‑quality image improvements.
Paid
- $6
GoEnhance AI transforms text, images, and videos into 4K, 60fps clips in seconds, offering text‑to‑video, image‑to‑video, and video‑to‑video engines, face swap, lip sync, and anime‑style animations with upscaling and a talking avatar.
Freemium
FlexClip is an online video editor with templates, resources, and powerful tools to create and edit videos for various purposes, as well as integration with royalty-free stock media providers and easy social media sharing.
Freemium
Klap automatically extracts key moments from long videos, reframes them for vertical formats, adds multilingual subtitles, and lets you customize branding. Upload files or YouTube links, then share or schedule ready‑to‑publish clips across TikTok, Instagram, LinkedIn, and YouTube.
Paid
HitPaw Univd is an AI‑powered tool that converts, compresses, and enhances over 1,000 media formats with zero quality loss. It offers GPU‑accelerated processing, upscaling, noise removal, basic editing, and speech‑to‑text transcription.
Paid
Browser‑based AI upscaler uses WebGPU and open‑source algorithms like Anime4K and RealESRGAN to enlarge video and image resolution. It processes each frame client‑side, preserving privacy, with drag‑and‑drop, side‑by‑side comparison, and selectable output sizes.
Free
Music 2 Tube automatically converts MP3/WAV files into videos for YouTube, Instagram, TikTok, and Reels. It supports bulk drag‑and‑drop, direct uploads, scheduled publishing, visual effects, cloud‑based covers, and maintains original audio quality across platforms.
Paid
- $3.49
MindVideo AI is an AI-powered online video generator that converts text and images into high-quality 4K videos with diverse effects and animation styles. It supports multiple AI engines and automatically deletes uploaded content post-generation for privacy.
Free trial
- $7.9/mo
toona converts single images into anime videos, manga color pages, and 4K upscaled clips. It offers frame interpolation up to 240fps, background removal, and motion painting for backgrounds and hair. Web interface enables quick, high‑quality output.
Freemium
Clawcloud Run is a cloud-native platform that enables users to build, deploy, and manage applications visually without coding. It supports various databases, offers low-code monitoring solutions, and features automated setups for streamlined workflows.
Free trial
- $6.5/mo
Kling AI Motion Control turns a single static image into a realistic, physics‑based animated video. It automatically generates motion paths, applies dynamic effects, and outputs smooth, cinematic clips, supporting batch processing and custom parameters for marketers, designers, and creators.
Subscription
Videoleap is a cross‑platform editor with AI background removal, infinite‑zoom, text‑to‑video, audio cutting, subtitles, and built‑in filters. It offers templates for TikTok, Reels, Shorts, and ads, plus a drag‑and‑drop interface for quick professional videos on web or mobile.
Free trial
Google Veo 3 generates 8‑second, full‑HD cinematic clips from text prompts with lip‑synced dialogue and ambient audio. It animates still images, adds motion, lighting, perspective shifts, and over 60 visual effects for quick online video prototyping.
Subscription
- $7.9/mo
HitPaw FotorPea automatically enhances photos by applying AI models for sharpening, denoising, face and color correction. It unblurs images, upsizes to 4K/8K, restores old photos, removes backgrounds, and generates images from text prompts.
Free trial
The Movavi Photo Editor is a powerful desktop photo editing software with AI-powered auto-enhancement, quick background removal, photo retouching tools, RAW image editing and export options in different formats and sizes.
Free
V03 AI is an advanced video generator using Google’s VEO 3 technology to create high-resolution 4K videos with physics-based motion, natural lighting, and synchronized audio. Users input text or image prompts for fast, professional-grade results with precise control over movements and camera paths.
Freemium
TensorPix enhances SD video to 4K 60FPS, removes artifacts from VHS and old footage, offers real‑time call improvement, batch processing, API integration, and cloud GPU processing—no local install needed.
Freemium
Animaker Subtitle Generator auto‑transcribes audio, adds and edits subtitles with a click, supports 20+ animated styles, translates to 100+ languages, allows manual adjustments or .srt/.vtt uploads, and exports videos or subtitle files for broader use.
Free
- $10/mo
TurboScribe is an AI-powered transcription tool offering ultra-fast conversion of audio and video files to text. It supports over 98 languages, handles uploads up to 10 hours long, and features speaker recognition for meetings, interviews, and podcasts.
Freemium
- $10/mo
YT Copycat lets licensed users download and archive YouTube videos for offline use, supporting batch processing, multiple formats, and direct export to local or cloud storage. Creators can repurpose clips and maintain a private library.
Freemium
- $0.92/mo
Video To Blog converts YouTube links or uploads into ready‑to‑publish blog posts in under a minute, supporting 30+ languages. It formats prose, adds headings, SEO metadata, and embeds, and outputs HTML, Markdown, PDF, or links.
Paid