3 YouTube Keyword Tools, Compared Honestly

You have a video idea and three plausible ways to phrase it. One of them is what people type into the search box; the other two are what you would say out loud.

Almost every free YouTube keyword tool answers this the same way — by reading YouTube’s own autocomplete, which reflects real queries. That is genuinely useful and it is also why these tools look so similar. Where they differ is what they do with those suggestions, and what the free tier holds back.

How to judge a YouTube keyword tool

Where does the data come from? Autocomplete is real query data and free to access. Search volume estimates are modelled, usually from clickstream data, and are the thing that gets paywalled.

Does the free tier show numbers? Several give you hundreds of suggestions and withhold every metric attached to them, which makes the list hard to prioritise.

How many free searches? Daily caps are common and low. Worth knowing before you plan a research session.

Does it help you choose? A list of 750 phrases is not research. Clustering, difficulty and intent are what turn it into a decision.

The comparison

Facts checked August 2026; tools change their plans. Table covers only the 3 alternatives — our tool gets its own section below.

CollabPals

The most generous free tier by some distance. It expands a seed into 100+ keyword ideas from real YouTube autocomplete, then adds what the others charge for: relative search volume, an algorithmic difficulty estimate, and an opportunity score weighted so that higher is better for a growing channel. It clusters related keywords by topic — searching “guitar” produces groups like lessons, chords, reviews and beginner content — and exports to CSV in one click.

It states 100% free with no signup, no email and no browser extension. The volumes are relative indicators rather than absolute monthly numbers, which is the honest way to present modelled data and worth remembering when comparing against a tool that quotes precise figures.

Keyword Tool

The best known, and the most suggestions. It pulls from YouTube autocomplete and returns over 750 keyword suggestions on the free tier with no account needed — comfortably more raw material than anything else here.

The catch is that raw material is all you get. Estimated monthly search volumes, 12-month trend data, bulk uploads and CSV export are Pro features, so the free version hands you a long undifferentiated list. Fine as an ideas dump; frustrating if you were hoping to prioritise.

Keyword Tool Dominator

The most upfront about what it does and does not know. It pulls from live YouTube autocomplete for titles, tags, Shorts and channel keywords, and rather than inventing absolute search volumes it uses a Popularity Score from 0 to 100 plus “Hot Keywords” flags, letting you compare phrases within a result set without pretending to know monthly totals.

That is a defensible design. The constraint is volume of use: two free searches a day per keyword source, with a free account adding AI tokens and higher limits, and paid access sold as a one-time payment rather than a subscription. Two searches goes quickly.

YouTube Keyword Research Tool

Ours organises candidate keywords by intent, competition and title fit — which is the step after the one every other tool here performs. It assumes you already have candidate phrases and helps you decide between them, with title fit mattering because a keyword that will not fit in a displayed title is a keyword you cannot actually use.

What it does not do: pull YouTube autocomplete data or estimate search volume. It is a decision tool, not a discovery tool, so the honest workflow is to generate candidates with one of the above and bring them here to sort. If you want one tool that does both, CollabPals is the closest on a free tier. YouTube’s own search help is worth a skim for how viewers actually filter and find things.

Which one to pick

• Everything free including metrics — CollabPals.
• The longest list of raw suggestions — Keyword Tool.
• Comparing a handful of phrases honestly — Keyword Tool Dominator, within two searches a day.
• Choosing between candidates you already have — the tool below.

How to do it with YouTube Keyword Research Tool

1. Gather candidate phrases first — autocomplete on YouTube itself works if you have no tool to hand.
2. Open the YouTube Keyword Research Tool and enter them.
3. Sort by intent before competition; a high-volume phrase with the wrong intent brings the wrong viewers.
4. Check title fit — if the keyword cannot sit early in a 60-character title, reconsider it.

The walkthrough is in how to pick keywords for a YouTube video. Other SEO tools are in the tools directory.

You might also need

Once the keyword is chosen, the YouTube Title Generator handles placing it where it survives truncation.

For tags rather than the title, the YouTube Tag Generator covers that field.

Frequently asked questions

Is there a free YouTube keyword tool that shows search volume?

CollabPals shows relative volume and difficulty free with no signup. Keyword Tool withholds volume for Pro, and Keyword Tool Dominator deliberately uses a popularity score instead of absolute numbers. Treat any free “monthly searches” figure as an estimate.

How accurate are YouTube search volume numbers?

Less accurate than they look. YouTube does not publish search volume, so every tool models it from clickstream data or other proxies. Relative comparisons between phrases are useful; the precise number is not.

Do tags still matter on YouTube?

Far less than titles, thumbnails and descriptions. They help a little with misspellings and disambiguation. Spending research time on the title is a better use of the same hour.

Final thought

Use autocomplete for discovery and your own judgement for selection. Every tool here reads the same source; the value you add is knowing which of those phrases matches a video you can actually make well.

Try the free YouTube Keyword Research Tool