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Thumbnail & Title tools

The two assets that decide whether your video gets clicked. Score readability, predict CTR, analyze color mood, decide on emoji, and generate A/B variants — all before you upload.

Tool 1~20 seconds to run

Thumbnail Readability Score

Describe your thumbnail. We score it across five dimensions: text length, text-image contrast, face count, color count, and "feed-size" visibility. The last one is the most predictive — it's how your thumbnail looks at 168×94 pixels (YouTube sidebar size).

What's different here: Most thumbnail scorers evaluate at full size. We model what the viewer actually sees — a tiny version in a feed of 30 other thumbnails.

Score will appear here.

What this solves

Thumbnails that look great at full size become unreadable in the feed. This tool estimates how readable yours will be in the actual viewing context — a row of competing thumbnails.

How to interpret

Above 80: high-feed-stop-power. 60–80: workable. Below 60: probably gets scrolled past. The "feed-size visibility" axis is most important — fix it first.

FAQ

Should I use a face?

Yes — one face with a strong emotion consistently outperforms zero-face thumbnails by 20–35% CTR in lifestyle, finance, and education niches.

Maximum text length?

3 words for sidebar view. 5 words if your audience is mobile-only.

Tool 2~10 seconds to run

Title CTR Predictor

Paste a video title. We score it across length, emotional weight, specificity, curiosity gap, and power words. Compares against your niche's published CTR median and shows which lever is most likely to move the needle.

What's different here: Most "headline analyzers" reward generic words like "secret" or "you". We rank against a niche-specific baseline so the score reflects your context.

CTR prediction will appear here.

What this solves

Two titles can both be "good" but produce 2× CTR difference. This tool tells you which axis (length, curiosity, specificity) is the bigger lever for your niche.

How to interpret

A score of 70+ usually beats the niche median. The "predicted CTR uplift" is the estimated change vs. your baseline if you score above 80 on all axes.

FAQ

What's a "power word"?

Words with high emotional valence: secret, instant, mistake, truth, free, banned, exposed, weird. Their weight varies by niche — "banned" is gold in finance, weak in comedy.

Do numbers in titles help?

Yes — odd numbers outperform round numbers; specific counts ("7") outperform vague claims ("some").

Tool 3~10 seconds to run

Thumbnail Color Mood Analyzer

Pick up to three dominant colors in your thumbnail. We map them to the psychological mood they collectively evoke (urgent, calm, premium, playful, alarming), suggest whether the mood matches your niche, and check contrast against typical background tones.

What's different here: Most color pickers don't connect palette to niche expectation. A "calm" palette in a "personal finance" niche feels off — and we tell you.

Mood analysis will appear here.

What this solves

Color choice affects perceived authority, urgency, and entertainment value. The same palette can read as "premium" in one niche and "amateur" in another.

How to interpret

If the mood doesn't match the niche expectation, the score is "mismatch". A green check means your colors pass the niche-norm test.

FAQ

Why red in finance?

Red signals urgency, warning, opportunity-cost. In finance thumbnails, red is associated with money in motion — up 38% CTR vs. blue in matched-pair tests.

When should I use blue?

Trust contexts: tech tutorials, education, science. Blue reads as "reliable" and reduces skepticism.

Tool 4~5 seconds to run

Emoji-in-Title Advisor

Paste a title. We count emojis, evaluate their position, check for redundancy, and decide whether they help or hurt in your specific niche. Returns a verdict: "use", "limit", or "skip".

What's different here: Generic guides either say "always use emojis" or "never use them". Both are wrong. The right answer depends on niche + emoji placement + redundancy.

Emoji verdict will appear here.

What this solves

A title with five emoji can look "spammy" — but in lifestyle niches, three emojis can lift CTR by 12–18%. The verdict is niche-specific.

How to interpret

"Use" means add or keep emojis. "Limit" means strip duplicates and reduce to 1–2. "Skip" means remove all emojis entirely.

FAQ

Where should emojis go?

End of title is the standard; it doesn't break flow. Middle placement interrupts reading. Beginning placement is now rare (and penalized by some platforms).

Are repeated emojis ever OK?

Three or more of the same emoji in a row read as filler. One repeat for emphasis ("$$$") is acceptable in finance; otherwise it's spam-coded.

Tool 5~5 seconds to run

Title A/B Variant Generator

Paste your base title. We rewrite it three different ways: a curiosity variant, a benefit variant, and a contrarian variant. Each variant scores itself and tells you the predicted CTR trade-off vs. your base.

What's different here: Most title rewriters give you garbage ("Click here to learn more"). We give three deliberate strategies so you can test, not just pick.

Variants will appear here.

What this solves

You have a working title but no time for a real A/B test. The generator gives you three plausible options ranked by expected CTR, so you can pick the most promising one to publish.

How to interpret

The variant with the highest score is the predicted winner. The "predicted CTR uplift" assumes a normal-performing thumbnail; weak thumbnails dampen even strong titles.

FAQ

Why three strategies?

Each one opens a different psychological door: curiosity ("what happens next"), benefit ("here's what you'll get"), contrarian ("everyone is wrong").

Should I actually A/B test these?

On YouTube, yes — use the built-in thumbnail/title test. On TikTok and Reels, A/B isn't available; pick the highest-scoring variant.