Trend chart and historical volume data
Have you ever researched keywords on Google Trends and wished it showed the actual volume for each keyword, instead of just a trend line?
That is the feature we added. Keywords Everywhere shows the estimated historical search volume for any keyword, every month back to 2004.
Run a Google search and the trend chart appears on the right-hand side.

Hover over any point to read the monthly, weekly, daily or hourly search volume for that term. You can copy the data to a spreadsheet or download all of it as a CSV file.
It works on YouTube too, where it shows the volume and trend of searches made on YouTube.

Like every Keywords Everywhere feature, you can switch it off with the "Show Trend Chart in Google/YouTube" checkbox at the bottom of the settings page.
Want a quick volume check without installing anything? Our free Search Volume Checker looks up the current Google search volume for a list of keywords right in your browser.
How is it calculated?
Google Trends is built on real, anonymized Google search data. You can read how it works in Google's own FAQ.
Google has the actual search counts behind every trend, but it normalizes each term to a 0 to 100 scale before showing it. That is great for seeing how one keyword trends, but it is a poor way to compare two keywords.
Take the two charts below: the last 30 days for "xbox series x" and for "ps5". Which one is winning the search race?

You cannot tell. Without the actual volume the two look comparable, yet one gets in the order of 10,000 times the traffic of the other.
So Keywords Everywhere reverses the normalization. We pull the trend values straight from Google Trends' own APIs, so they match the Google Trends website exactly. We also already have the exact monthly volume for the last 12 months from Google Keyword Planner.
We match those two over the same 12-month window, find the scale that fits, and apply it across the whole timeline, turning the 0 to 100 index into estimated search volumes all the way back to 2004.

Now the same two terms tell the real story. The last 12 months are the exact Keyword Planner figure, and the earlier months are a close estimate scaled from it. We never hide how this is worked out.
Does it work for every keyword?
Only for keywords that Google Trends covers. Google publishes trend data only above a minimum search volume, and it does not say what that threshold is, so very low volume keywords may have no trend at all. If Google does not show the trend for a keyword, neither can we, because only Google has this data.
A brand-new keyword is a special case. Google Keyword Planner can take a month or so to start reporting its volume, so you may see the trend chart for it before the volume is available.
Can you get this data in bulk?
Yes. Click the Keywords Everywhere icon and choose "Bulk Trends Data". You can enter up to 1000 keywords at a time and get the historical search volume for all of them. It uses the Google Trends APIs, so it is slower than the regular "Bulk Keywords Data" tool.
How are credits used?
On any Google or YouTube search the monthly volume is already loaded, so the trend chart itself uses no extra credits. In the Bulk Trends tool, one credit is used for every keyword you pull data for.