Thumbnails, short-form clips, and channel music
PrismPoster is a creation studio for YouTubers. Generate click-worthy thumbnails, cut short-form vertical clips, and score original intro, outro, and background music — then export the files in the ratios your channel needs.
- Studios in one
- 4
- Export ratios
- 16:9 / 9:16
- Music licensing
- Original
The usual workflow
A strong thumbnail can take longer than editing the video
You want vertical Shorts clips but reformatting by hand is slow
Royalty-free intro and background music is generic or risky to clear
Channel creative pulls time away from making the next video
The PrismPoster run
One source in, a reviewed set out.
Make the thumbnail
Generate thumbnail concepts in Image Studio using cinema modes, camera treatment, and @tag reference images, then sharpen them in Magic Edit with retouch, restyle, and upscale until the frame pops.
Cut a short-form clip
In Video Studio, animate your thumbnail with image-to-video or describe the shot from scratch to produce 4 to 10 second vertical clips with director mode and camera treatment, sized for Shorts and other vertical feeds.
Score and export
Create original intro, outro, and background music in Music Studio with stems, then review and export server-rendered 16:9 and 9:16 files with embedded provenance metadata.
Built for YouTubers
Image Studio plus Magic Edit for high-impact thumbnails
Video Studio short-form vertical clips from text, an image, or an end frame
Music Studio original intro, outro, and background music with stems
Director mode, cinema modes, camera treatment, and cast references
Reusable Library for recurring series and channel branding
Review-first, server-rendered exports (16:9 / 9:16)
A worked example
A 12-minute review, and everything around it
The edit is done: twelve minutes on a mirrorless camera you have been testing for a month. The video is ready to upload. The thumbnail, the Short that will promote it, and the intro bed are not.
- 01
Thumbnail concepts
In Image Studio, describe the frame — the camera body lit hard against a dark background, shallow depth of field — and set a cinema mode for the grade. Attach a thumbnail from an earlier video in your Library as an @tag reference so the new frame sits inside your channel's established look. Generate at 16:9.
- 02
Sharpen the winner
Send the strongest concept to Magic Edit. Remove the distracting objects behind the product, retouch the specular highlight along the lens barrel, and upscale so the frame holds at full size. Every step is kept in the before/after history, so an over-aggressive restyle is one click back.
- 03
A Short that matches
In Video Studio, run image-to-video from the finished thumbnail. The Short opens on the exact frame viewers will see on the video card, which is the cheapest possible continuity win. Set 9:16, use director mode for a slow push-in, and keep it under 10 seconds.
- 04
Intro bed with stems
In Music Studio, describe the intro you want — short, percussive, no vocals — and keep the variant you like. Pull stems so you can drop the drums out under your voiceover, and convert to WAV for your editor.
A thumbnail, a matching vertical Short, and an original intro bed with separated stems — exported as server-rendered files with embedded provenance metadata. You upload them to YouTube yourself.
Common questions
How do I stop every thumbnail looking like a different channel?
Save your best thumbnails to the Library and attach one as an @tag reference image on each new generation. Reference images steer the model toward a subject, style, or composition you already have, which is what holds a recognisable identity across a series instead of restarting the aesthetic every upload.
What resolution and length can a Short be?
Video Studio generates at 360p, 720p, 1080p, or 4K, up to 10 seconds per clip, in landscape or vertical. 360p is the cheapest and the right place to test a concept; higher resolutions and longer clips cost more credits. 1080p and 4K open with any one-off credit pack, with no subscription.
Is the background music safe to use on YouTube?
The music is generated original work rather than a licensed commercial recording, so there is no catalogue to clear. You can pull individual stems and convert to WAV. Note that PrismPoster produces the track — how you use it on your channel remains your decision.
Does PrismPoster upload to my channel?
No. There is no posting or scheduling connection. You download the finished file and upload it yourself. Every file carries a machine-readable provenance mark in its metadata. Files from a free account also carry the small AI-generated label with the PrismPoster mark. If a video or thumbnail shows a real person, EU law and the platform you upload to may require you to disclose that it is AI-generated.
Keep reading
- How to generate images in Image StudioPrompts, cinema modes, @tag reference images, and aspect ratios.
- How to generate video in Video StudioText-to-video, image-to-video, end-frame, and director mode.
- Editing video in the timeline editorMulti-track cutting, the linked audio lane, and extend-video.
- Character consistency in AI imagesKeeping the same subject and style across a whole series.
- The image-to-video guideTurning a finished thumbnail into a matching vertical clip.
- PrismPoster vs CanvaTemplate-first design against generation-first production.
Make the full version in the studio
Longer clips, higher resolution, sound, songs and a timeline editor — in one account.
150 free starter credits in many countries · No card · Unused starter credits expire after 72 hours
No subscription: credit packs from €3.99, paid once. The credits you buy never expire.
Start creating free