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AI for Video Editing — A Simple Beginner's Guide

Video editing used to require a lot of time and learning. Now AI does the heavy lifting for you — subtitles, cuts, and audio cleanup happen with just a few clicks.

What does AI actually do in video editing?

AI doesn’t replace your creativity, but it speeds up the boring and time-consuming parts:

  • Auto-cut — AI detects silent moments, repetitions, and failed takes, and suggests removing them
  • Automatic subtitles — your spoken words turn into text you can edit and place on the video
  • Background removal — separate yourself from the background without a green screen
  • Audio cleanup — wind, echo, and background noise drop with one click
  • Translations — subtitles can be translated to another language automatically

Best beginner-friendly AI editing tools

CapCut

Free and extremely popular. Works on phone and computer. Includes automatic subtitles, background removal, and ready-made effects. Perfect for social media videos.

Website: capcut.com

Descript

Works on desktop and in the browser. The concept is clever: you edit the video by editing the transcript. Delete a word from the text — and it disappears from the video. This might be the easiest way to cut video if you’ve never done it before.

Website: descript.com

Adobe Express

Adobe’s free tool that includes video trimming, subtitles, and ready-made templates. Great if you want a professional-looking result without deep expertise.

Website: express.adobe.com

Built-in phone editors

On iPhone, the Photos app trims videos directly. On Android, Google Photos does the same. Both handle basic cuts — and they’re already on your phone.

How to make a simple video step by step

  1. Shoot your videos on your phone. Don’t stress about perfection — the main thing is that picture and sound are reasonably good
  2. Open CapCut and select the videos you want to use
  3. Add subtitles with the “Auto Captions” button. AI listens to your voice and creates subtitles automatically
  4. Clean up the audio by selecting “Noise Reduction”. Background noise drops immediately
  5. Add music from CapCut’s sound library if you want
  6. Export the video to your phone’s gallery or share directly to social media

The whole process takes about 10–15 minutes once you learn the basics.

Subtitles in different languages

Automatic subtitles work surprisingly well. CapCut supports several languages, including Swedish and English.

If you want to share a video in Finnish or Swedish, most tools can translate subtitles automatically. Always double-check the translation, though — AI isn’t perfect.

Tip: Descript can translate subtitles into over 20 languages. CapCut also translates, but support depends on the version.

Short clips from longer videos

Cutting a longer video into short clips for social media is AI’s specialty.

  • CapCut’s “AutoCut” splits a long video into short segments automatically
  • Descript finds the best moments in your video and suggests clips
  • Opus Clip is a specialized tool that turns a long video into ready-made TikTok and Reels clips with text

This way you can record one interview and get five different social media posts from it.

Tips for better phone videos before editing

Editing helps, but good raw material saves time:

  • Shoot facing the light — have the light in front of you, not behind you. Window light is great
  • Hold the phone horizontally unless you’re making a vertical social media video
  • Don’t zoom — walk closer instead. Digital zoom reduces quality
  • Think about audio — indoors is often better than windy outdoors
  • Use a microphone if you talk a lot — a €20 clip-on mic already makes a big difference

Free vs paid tools — what’s worth paying for?

Most beginners don’t need paid tools.

With free tools you’ll get far:

  • CapCut is free and sufficient for most needs
  • Your phone’s built-in editor handles basic cuts
  • Adobe Express’s free version is surprisingly capable

When is it worth paying?

  • If you make videos regularly for work — Descript’s paid version unlocks extra features
  • If you need background removal without watermarks — CapCut Pro offers this feature
  • If you publish a lot on social media — Opus Clip saves hours of work

Start with the free tools. Decide later if you need more.

Start today

Download CapCut on your phone. Shoot a 30-second video of yourself or your pet. Add subtitles and clean up the audio. The result is ready in under 15 minutes — and it probably looks pretty good.

Video editing is no longer just for professionals. It’s something everyone can do.

Previous: AI and Social Media