Merge words

Create combinations of word lists (in all orders).

List A

List B

List C

Combine in all orders (ABC, ACB, etc.)

Output unique combinations only

Pro tip: use control + enter to combine all lists

All combinations

Relative change calculator

This tool calculates the percentage change between an old and a new value.

Old value:

New value:

Deduplicate lists of keywords with fuzzy (approximate) matching using the Sørensen–Dice coefficient.

Match threshold (≥)

%

Pro tip: use control + enter to start deduplicating

This tool measures the similarity of two strings by comparing their "bigrams" (pairs of adjacent letters).

It breaks each word into overlapping pairs of letters. For "apple", the bigrams are "ap", "pp", "pl", "le".
It counts how many bigrams the two words share.
The similarity score is calculated as: (2 * shared bigrams) / (total bigrams in both words).

A higher score means more similarity. The "Match threshold" determines the score needed to be a duplicate.

Input list

Words to keep

Words to delete

Original keyword	Best match from "keep" list	Match rate
Enter words in the input list and then hit the deduplicate button.

Choose two dates to calculate the difference in days.

Start date

End date

Counting method:

From start to end (exclude end date)

From start to end (include end date)

Full days in between (exclude start and end dates)