Fortnite thumbnail maker
Make thumbnails for your Fortnite Creative and UEFN islands with AI: describe the moment, and Nexframe renders it in the stylized, saturated Fortnite look - built to draw generic heroes, not licensed skins. Your first thumbnail is free, with no Gemini key (one per person, while today's free spots last).




Every image on this page was generated with Nexframe's Fortnite mode.
What Epic asks for
Thumbnails should be 1920x1080 minimum (16:9 aspect ratio) for a rectangular thumbnail and the image size should be no larger than 5 MB.
Epic Developer Community - Thumbnail Image Policies. Checked 2026-10-01.
The format should be JPG.
Epic Developer Community - Making Thumbnails and Videos in Fortnite Creative. Checked 2026-10-01.
One honest catch: Nexframe's 1376x768 setting is below Epic's 1920x1080 minimum. For an island thumbnail, generate at 2752x1536 or use the 4K upscale, then export a 1920x1080 JPG under 5 MB. The free first thumbnail is generated at 2K, so it already clears the minimum.
The rules your thumbnail has to pass
Epic reviews island thumbnails against its image policy. In short, from each section of it:
- Appropriate for a general audience. No realistic violence, gore, suggestive themes, crude humor, gambling references or strong language.
- No currency. No V-Bucks and no real-world currency, in words or in images.
- Do not misrepresent the island. What the thumbnail shows - weapons, devices, the kind of game - has to be in the island.
- No XP references. No levelling up or XP amounts, and no terms like AFK, XP, coin farm or coin slide, or images of coins.
- No platform-specific controls. Discover only includes islands playable on any platform, so do not reference one platform's controls.
- Be original. Do not copy another developer's thumbnail or impersonate another developer or brand.
- Do not spam. Do not publish copies of your island with the same or very similar thumbnails.
- Respect IP ownership. Epic assets only as UEFN makes them available - no Epic logos, product names or recreated key art.
- No photos of real people. No photographs of real-life people.
Ensure your thumbnail accurately represents your island and doesn't mislead players about what sort of experience they'll have. For example, any guns or devices featured on your thumbnail must be available and interactable in your island.
Epic Developer Community - Thumbnail Image Policies. Checked 2026-10-01.
Nexframe's Fortnite engine is built around two of these: it is instructed to draw generic heroes, never licensed skins, and to add no text unless you give it a title. Still, look before you upload. One thing to watch: the default style can add "+1" pop-ups or coins as a hook, and Epic does not allow coins or XP references. If your island is going to Discover, regenerate or edit those out before you upload.
Ideas that fit an island
The Fortnite mode comes with ready concepts you can start from and rewrite:
- Victory Royale
- Clutch build fight
- Escaping the storm
- 1v1 build battle
- Zone wars
- Legendary loot
Need the square one too? Switch the style to Map icon (1:1) for an icon drawn to read at small size in the Discover grid. Making a Roblox game as well? The Roblox thumbnail maker is the same tool with the other engine.
What it costs
- ✓Your first thumbnail is free - no Gemini key, nothing to set up (one per person, while today's free spots last).
- ✓Unlimited on the plan: $25 for the first month, then $50/mo. Generation runs on your own Gemini key, and Google bills you directly, about $0.03-$0.13 per thumbnail. No markup on generation from us.
- ✓3 days free on your key first - Nexframe charges nothing for the trial (the terms).
- ✓No key at all? $9.99 for 40 thumbnails with Nexframe Credits.
Questions
What size should a Fortnite island thumbnail be?
Epic asks for at least 1920x1080, 16:9, no larger than 5 MB, as a JPG. In Nexframe that means the 2752x1536 setting or the 4K upscale - the 1376x768 setting is below Epic's minimum.
Can I put Fortnite skins in my thumbnail?
Nexframe is not built for that: its Fortnite engine is instructed to draw generic heroes in the Fortnite style, never a licensed or named skin. Epic's own policy also rules out Epic logos, product names and recreated assets in thumbnails.
Does it work for UEFN and Fortnite Creative islands?
Yes. The Fortnite mode is built for island thumbnails: one hero, a readable scene, and a square Map icon (1:1) style for the icon.
Is the first thumbnail free for Fortnite too?
Yes. The free first thumbnail works in Fortnite mode, with no Gemini key (one per person, while today's free spots last), and it is generated at 2K, 16:9 (2752x1536), above Epic's minimum.
Is this a Fortnite YouTube thumbnail maker or an island thumbnail maker?
An island thumbnail maker. An island thumbnail is reviewed against Epic's Thumbnail Image Policies and has to be at least 1920x1080, 16:9, under 5 MB; Nexframe's Fortnite mode is built for that one. Its output is 16:9, so it can also be used as a video thumbnail.
Is Nexframe affiliated with Epic Games?
No. Nexframe is an independent tool, not affiliated with, endorsed by, or sponsored by Epic Games.
Make your island thumbnail
Open the studio, flip the toggle to Fortnite, and describe the moment your island is about.