Google Sheets add-on to compare text, fuzzy-match, highlight duplicates
I created an add-on for Google Sheets called Flookup, and it comes both as a free version and a VERY AFFORDABLE paid version. At its core, Flookup is a fuzzy matching add-on that helps you manage text that is less than a 100% match. Beyond that it can be used to: 1. Search for and match data regardless of whether it contains typos. 2. Highlight and delete duplicates duplicates even if the data has mismatched text. 3. Calculate the percentage similarity between strings. 4. Extract unique values from any column based on percentage similarity. 5. Sum and find the average of numbers based on…
Google Sheets add-on to compare text, fuzzy-match, highlight duplicates launched on January 18, 2020 with 80 votes, #455 of 3,486 launches that month and more than 90% of that year's launches.
In plain words
Flookup is a Google Sheets add-on that uses fuzzy matching to find and manage similar text even when it contains typos or slight variations. It can search for approximate matches, highlight and remove duplicates with mismatched text, calculate similarity percentages between strings, extract unique values, and sum numbers based on partial matches. The tool is designed for users who need to work with imperfect or inconsistent text data in spreadsheets.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
I created an add-on for Google Sheets called Flookup, and it comes both as a free version and a VERY AFFORDABLE paid version. At its core, Flookup is a fuzzy matching add-on that helps you manage text that is less than a 100% match. Beyond that it can be used to: 1. Search for and match data regardless of whether it…
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Hello HN! It has been about three years since I launched this current iteration of my Google Sheets add-on called Flookup. I'm a solo developer and, currently, I handle absolutely everything to do with Flookup from writing code, replying support emails and even marketing. It is a lot of work but very satisfying because I get to see, first hand, how helpful it has been to my userbase. Before Flookup was launched, there was only one prominent Google Sheets add-on that could be used for data cleaning (to a certain degree) but, luckily for me, that add-on had left a gap in functionality that I…

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