We scored Aprilynne Alter's thumbnails: can the packaging teacher pass her own test? Aprilynne Alter built a channel teaching YouTube packaging: titles, thumbnails, the psychology of the click. We ran two of her own thumbnails through Thumbly Score to see how the teacher scores. 2026-07-28 5 min read
We scored Cleo Abram's thumbnails, then tried to beat them Cleo Abram sells optimistic tech journalism with her face next to the thing she found. We scored two live thumbs through Thumbly Score, applied the fixes, and re-scored. Ocean went 73 to 77. Diamonds jumped 68 to 77 once the lab stopped competing. 2026-09-02 4 min read
We scored Colin & Samir's thumbnails: does 'tasteful' cost you clicks? Colin & Samir are the thinking creator's creators: restrained, editorial, no MrBeast theatrics. We ran two of their thumbnails through Thumbly Score to see whether good taste actually wins, or just feels nice. 2026-06-11 4 min read
Connect your AI agent to Thumbly with MCP Thumbly exposes an MCP server so Cursor, Claude Desktop, and other agents can generate, edit, analyze, and score thumbnails with a tb_live_ API key. Setup, tools, limits, and a Grok Bot follow-up example. 2026-08-14 4 min read
Your CTR is lying to you (and what to measure instead) A 10% click-through rate sounds great until you realize it's tanking your channel. Here's how to read CTR correctly and what actually matters for growth. 2026-03-22 6 min read
How to change a YouTube Shorts thumbnail (desktop + mobile) Yes, you can set a custom thumbnail on a YouTube Short. Here's how on Studio and mobile, what size to use, and how to fix a cropped or wrong-ratio cover. 2026-07-23 3 min read
How to change a YouTube thumbnail on mobile Change a regular video thumbnail in the YouTube Studio app: Content, pencil, Edit thumbnail, Custom. Verify if Custom is missing. Stay under 2MB on mobile. 2026-08-22 2 min read
How to change a YouTube thumbnail (desktop Studio) Change a long-form thumbnail in YouTube Studio on desktop: Content, Details, Upload file, SAVE. Same after publish. Verify if Upload file is missing. 2026-09-03 3 min read
How to check your YouTube thumbnail CTR in Studio YouTube Studio puts thumbnail CTR on the Reach tab of a video. Content, then Analytics, then Reach. Here's the exact tap path. 2026-09-02 5 min read
How to download a YouTube thumbnail Grab any public video’s thumbnail JPG from YouTube’s image CDN. Pull the 11-char video ID, open maxresdefault, Save. Fall back to hqdefault if maxres is gray. 2026-09-06 2 min read
How to Download YouTube Videos in 2026 Most guides on this skip the part that matters and send you straight to a sketchy website. Here's the honest version: what you're actually allowed to download, and the methods worth using, from your own footage to Creative Commons to yt-dlp. 2026-06-23 6 min read
How to enable custom YouTube thumbnails Verify the channel at youtube.com/verify so Upload file shows up under Thumbnail. That unlocks the control. It does not upload the image. 2026-09-05 2 min read
How to remove a custom YouTube thumbnail (desktop Studio) Drop a custom long-form thumbnail in YouTube Studio on desktop: Content, Details, pick an auto-generated frame, SAVE. There is no Delete button. 2026-09-04 3 min read
How to use Thumbly Score Thumbly Score rates a thumbnail 0 to 100 on virality, clarity, idea, curiosity, and emotion, then hands you three fixes. Here's how to run it on yours before you post. 2026-08-16 4 min read
Instagram Reels cover size: 1080 × 1920, but the grid crops it to a square Instagram Reels covers are 1080 × 1920 (9:16) in the player, but your profile grid crops them to a 1:1 square. Here's how to design one cover that works in both. 2026-06-05 3 min read
Your thumbnail is being judged on a 65-inch TV now YouTube is the #1 share of US TV viewing. Thumbnails uploaded today get rendered on 65-inch screens, not just phones. The 'design for the mobile thumbnail rail' advice every guide repeats is now actively costing you clicks. 2026-05-13 7 min read
We scored MKBHD's thumbnails: how little can you get away with? MKBHD's brand is clean product photography and almost no clickbait. We ran his Humane AI Pin thumbnail and a near-textless iPhone 17 shot through Thumbly Score to see where minimalism wins, and where it leaves emotion on the table. 2026-07-30 4 min read
We ran MrBeast's thumbnails through Thumbly Score, then tried to beat them MrBeast spends millions getting thumbnails right. We scored two of his biggest ones with Thumbly, applied the fixes it suggested, and re-scored. Here's what held up, what we'd change, and what you can steal. 2026-06-09 5 min read
MrBeast thumbnails in 2026: the 5 patterns (steal the system) Everyone copies MrBeast's face. Few copy the system. Five 2026 patterns still showing up in his thumbnails, what changed, and how to steal the playbook on a normal budget. 2026-08-13 3 min read
We scored Ryan Trahan's thumbnails, then tried to beat them Ryan Trahan's rule is a subtle face, a clean background, and whatever is going on. We ran two of his thumbnails through Thumbly Score, applied the fixes, and re-scored. 2026-08-15 4 min read
Shorts pull people in. Long-form makes them stay. If you're stuck at a subscriber plateau, the fix is almost always the same thing: pair consistent short-form with long-form that makes people feel something. Here's how the two formats actually work together. 2026-04-24 8 min read
Thumbnail sizes for every platform (2026): the quick chart One chart with the exact thumbnail and cover size for YouTube, Shorts, TikTok, Instagram, and Facebook in 2026, plus a link to the full guide for each platform. 2026-06-06 2 min read
TikTok cover vs YouTube Shorts thumbnail (where each actually shows) Same clip, two surfaces. Where the image actually appears, and when to use a custom cover vs a frame. 2026-08-19 3 min read
TikTok cover size: 1080 × 1920 and the safe zone nobody tells you about TikTok covers are 1080 × 1920 (9:16), but the username, caption, and buttons sit on top of them. Here's where to keep your text so it doesn't get buried. 2026-06-04 3 min read
We scored Veritasium's thumbnails, then tried to beat them Veritasium puts the impossible thing in the frame. We scored two live thumbnails from his channel, applied Thumbly's one-click fixes, and ran Score again. 2026-08-18 4 min read
YouTube just doubled monetization requirements (what's changing in 2027) Starting February 1, 2027, new creators need twice the watch hours or twice the Shorts views to join the full Partner Program. Here's who gets squeezed, what existing partners face, and what to do before the bar doubles. 2026-08-11 5 min read
YouTube Shorts thumbnail size: 1080 × 1920, and how to actually set one Shorts get custom thumbnails now. The right size is 1080 × 1920 (9:16), not the 16:9 you use for long-form. Here's why that matters and how to add one. 2026-06-03 3 min read
How to A/B test thumbnails in YouTube Studio (Test & Compare) YouTube's native Test & Compare picks a winner by watch time share, not CTR alone. Here's how to run a thumbnail A/B test in Studio, what's eligible, and how to read the result. 2026-08-12 3 min read
YouTube thumbnail ideas that actually work (with examples) Most thumbnail idea lists are moodboards. This one breaks down the patterns behind high-performing YouTube thumbnails by niche — and what to steal from each. 2026-07-21 5 min read
The psychology behind thumbnails that actually get clicked Most thumbnail advice is surface-level: 'use bright colors' and 'add faces.' Here's what's actually happening in your viewer's brain during the 1.3 seconds they decide whether to click. 2026-03-24 6 min read
YouTube thumbnail safe zones (so the badge doesn't eat your face) YouTube paints a duration badge, a progress bar, and a tighter mobile crop over your thumbnail. Keep faces and text in the center, and leave the bottom-right empty. 2026-08-21 3 min read
YouTube thumbnail size in 2026: exact dimensions (and the new 4K spec) The YouTube thumbnail size is 1280 × 720 at 16:9, and in 2026 YouTube started recommending up to 4K. Here's the full spec, what changed, and the size that matters more than the resolution. 2026-06-02 4 min read
