The best AI tools for video editing in 2026

Editing a video no longer means opening complex software and spending hours on a timeline. AI video editing tools now allow you to cut, subtitle, crop or even generate scenes in a few clicks, whether you're producing a Short for social networks or professional training video.

This guide is for content creators, marketers and teams who want to save time on editing without sacrificing quality. We review six complementary rather than direct competing tools: CapCut, Descript, Opus Clip, Runway, Captions and HeyGen each cover a specific use, from quick editing to advanced creative studio.

CapCut: quick editing for Reels and Shorts

CapCut has become the instinct of creators who publish regularly on TikTok, Instagram or YouTube Shorts. The app, available on mobile and desktop, offers ready-made templates, automatic transition effects, quick subtitling and a music library. It's immediately usable, even with no editing knowledge, and the free offer already covers most solo creator needs. However, it's not the most suitable tool for complex narrative editing or long-form production.

Descript: editing a video like a text document

Descript changes the editing logic by transforming it into text editing: you cut a sentence in the transcript, the video cuts automatically at the same point. It's particularly effective for filmed podcasts, interviews and training videos where you need to remove hesitations and entire passages quickly. Descript also offers audio cleanup and text-to-speech functions. The learning curve is gentle, but the tool targets more regular professional use than one-off thirty-second edits.

Opus Clip: turning a long video into viral clips

Opus Clip answers a specific need: automatically identify the best moments in a long video, webinar, podcast or conference, and extract several short clips ready for social networks, subtitled and cropped to vertical format. It's real time savings for creators and marketing teams who republish long content in short formats. The tool is less relevant if you're starting with already-short content or if you need custom creative editing.

Runway: effects and AI video generation

Runway goes beyond simple editing: the tool can generate video sequences by AI, remove an unwanted element from a shot, create AI slow-motion or background replacement without green screen. It's the reference for editors and creators who want advanced effects difficult to achieve with classic software. Runway requires a bit more hands-on than CapCut, and addresses users already comfortable with editing or video production.

Captions: subtitles and talking videos for solo creators

Captions focuses on on-camera video: automatically styled subtitles, gaze correction, audio enhancement and scripting tools for solo creators. It's an excellent choice for those who regularly produce talking-head videos for social networks or personal branding, without an editing team behind them. The app is mobile-first, making it less suited to complex multi-track editing projects.

HeyGen: AI avatars and camera-free videos

HeyGen lets you create videos with a speaking AI avatar, starting from simple text script, without camera or shooting. It's particularly useful for training videos, product presentations or multilingual content; the tool can dub a video in multiple languages with synchronized lip sync. It's not a classic editing tool: it complements the other solutions in this list for cases where you want to avoid shooting.

Quick comparison

• CapCut: quick mobile and desktop editing, ideal for Reels/Shorts, generous free offer
• Descript: text-based editing, perfect for interviews and filmed podcasts
• Opus Clip: transforms one long video into several short clips ready to publish
• Runway: effects and AI video generation, for advanced creative rendering
• Captions: subtitles and on-camera videos for solo creators
• HeyGen: speaking AI avatars, videos without shooting or camera

Our verdict

For a creator who publishes fast and often on social networks, CapCut covers the essentials free. If you produce interviews, podcasts or training videos, Descript saves considerable time thanks to text-based editing. A team that republishes long content in short clips has every reason to add Opus Clip to their process. For advanced creative effects, Runway remains the reference, while Captions suits solo creators filming their face perfectly. Finally, HeyGen is essential as soon as you want to produce professional video without ever turning on a camera.