# Concat video editor guides

> Practical how-to guides and fixes for the Concat video editor, written from our own tests. Installing Concat for the first time? Start with the download page for your platform.

URL: https://concatvideoeditor.com/guides
Updated: 2026-10-18
Source: Concat Video Editor Guide, an independent guide. Not the official Concat website.

- [How to add subtitles to a video in the Concat video editor](https://concatvideoeditor.com/guides/add-subtitles-to-a-video): Add free auto subtitles in the Concat video editor: pick a Whisper model, generate captions from the voice track and style them. Tested in 0.2.7.
- [Can the Concat video editor run without a GPU?](https://concatvideoeditor.com/guides/concat-without-gpu): We ran the Concat video editor 0.2.7 on a PC with no graphics card. What worked, how slow it was and real timings for export, captions and cutouts.
- [Concat export stuck or not starting: how to fix it](https://concatvideoeditor.com/guides/export-stuck): Fix a Concat video editor export that never starts or stalls: an existing file with the same name, blur or glow on Windows, and slow software rendering.
- [How to make a TikTok video in the Concat video editor](https://concatvideoeditor.com/guides/make-a-tiktok-video): Make a vertical 9:16 TikTok, Reel or Short in the free Concat video editor: create the project, fill the frame, add big captions and export. No watermark.
- [How to remove a video background in the Concat video editor](https://concatvideoeditor.com/guides/remove-video-background): Remove the background from a video without a green screen in the free Concat video editor. Steps, settings, a real before and after, and how long it takes.
- [Concat text to speech not working: how to fix it](https://concatvideoeditor.com/guides/text-to-speech-not-working): Fix the Concat video editor text to speech error that asks you to download Pocket TTS even with Kokoro installed. Tested fix for version 0.2.7.