Florian Poullin

Merge Excel Duplicates Without Losing Data

How to merge duplicate rows in an Excel file without losing data?

Excel built-in "Remove duplicates" feature permanently deletes duplicate rows. Learn how to find and combine duplicates in an Excel file without losing information.

October 16, 2026

How to scrape WhatsApp group members for free?

Follow this step by step guide to extract WhatsApp group members and export them into a CSV file. For free!

October 15, 2026

Convert Nested JSON to CSV

How to convert nested JSON data to CSV

Convert nested JSON exports into clean CSV files by choosing the right row node, flattening nested objects, handling arrays, and previewing the result before download.

October 15, 2026

Clean Your Scraped Data

How to clean web-scraping data online

Clean web-scraping data online: preserve source values, normalize text and URLs, remove duplicates, and check email addresses before export.

October 15, 2026

Join CSV Files on a Shared Column

How to join CSV files by a unique identifier

The CSV file format is a standard to exchange structured data between companies or different software applications. When it comes to manipulating CSV files, the go-to solution is spreadsheet. However, to join CSV files by a unique column or...

October 15, 2026

Cut AI Costs with Flex

OpenAI Flex Mode: Estimate and Reduce CSV AI Costs

Use OpenAI Flex Mode in Datablist to run row-level AI prompts on CSV or Excel files at lower cost when the job can wait longer.

October 15, 2026

AI & Automation

Split a CSV into Separate Files

How to Split a CSV by Rows, Size, Values, Rules, or Dates

Split a CSV file into smaller files by row count, file size, column value, rules, or date ranges, then preview and download the output files.

October 14, 2026

Sum Values When Merging Duplicates

How to Sum Numeric Values When Merging Duplicates

Merge duplicates and sum values in seconds. Clean your data without losing important numbers. Datablist makes it easy to combine rows and add totals. Perfect for CRMs, lists, and spreadsheets.

October 13, 2026

Build Your Own Email Waterfall

How to Use Your Own API Keys in a Waterfall Email Finder

Learn how to configure a custom waterfall email finder in Datablist with your own provider API keys, control provider order, handle retryable rate limits, and reduce lookup costs.

October 13, 2026

Sales & Marketing

Summarize Customer Reviews with AI

How to Summarize Thousands of Customer Reviews with AI

Turn a CSV of customer reviews into summaries, sentiment, topics, and action columns with one reusable AI prompt.

October 12, 2026

AI & Automation

Find Instagram Profiles with Google

How to Use Google Search Operators to Find Instagram Profiles

Native Instagram search limits your results. Learn how to use Google search operators to uncover thousands of hidden Instagram profiles for your lead generation campaigns.

October 12, 2026

Scrape Google Results from Multiple Queries

How to scrape Google results from multiple queries at once

Build a list of specific Google queries, run them with Datablist's Google Search Queries source, then review and deduplicate the returned URLs.

October 12, 2026

Sales & Marketing No Code Scraping

How to scrape Instagram for free (followers, following list, post authors)?

Export Instagram followers, following profiles, and post authors to CSV, then verify and clean the loaded rows.

October 12, 2026

Find and Merge Duplicate Companies

How to Find and Merge Duplicate Company Names (Excel, CSV, CRM)

Find duplicate company records with domains and normalized name matching, review conflicts, and merge useful values into one row.

October 11, 2026

Merge Leads Without Losing Data

How to merge duplicate leads without losing data

Leads Deduplication is part of a good data hygiene routine. Having duplicates impacts your leads' data quality. Your sales productivity drops and the problem only grows until you start doing leads deduplication regularly. This guide will help you...

October 11, 2026

Check Company Website Status

Verify Companies are Alive with our Bulk Website Checker

Check company website responses in bulk, review redirects and parked-page signals, and keep technical failures separate from business-status decisions.

October 11, 2026

Check for Parked Domains in Bulk

How to Bulk Check for Parked Domains

Check company websites in bulk for parking-page signals. Review URLs and response status before updating your lead list.

October 11, 2026

Compare CSV Files by Record

How to Compare CSV Files Online

Compare two CSV files online, match rows by a key column, review added, removed, changed, and unchanged rows, then export the diff result.

October 11, 2026

Turn Messy Data into Clean Records

Free online tool for Data Cleaning

Data cleaning (cleansing) is no longer restricted to data analysts. If you are dealing with a list of prospects, if you use scraped data in your processes, or if you consolidate multiple source of data, you know the importance of effective data...

October 11, 2026

Dedupe Emails and Keep Contact Details

How to Dedupe Email Addresses in a List

Find duplicate email addresses, review email aliases and Gmail variations, then delete or merge extra contact rows without losing useful data.

October 11, 2026

Merge Pipedrive Duplicates in Bulk

How to Bulk Merge Duplicates in Pipedrive (Step-by-Step Guide)

Tired of duplicate contacts in Pipedrive? Learn how to find and merge duplicates (People & Organizations) using Datablist. Fix your CRM, clean your data, and keep Pipedrive organized—fast and easy!

October 10, 2026

Detect Languages in Your Dataset

How to Detect the Language of Each Row in a Dataset

Detect the language used in each CSV or Excel row, add language name, code, and confidence columns, then filter rows before translation or review.

October 9, 2026

Clean Your Email List

How to clean an email list for free

Clean an email list with free syntax and domain checks, reviewed deduplication, and unsubscribe matching. Learn what free validation does and how to append contact data.

October 8, 2026

Find Instagram Profiles by Bio Keywords

Search and Scrape Instagram Profiles by Category and Bio Keywords

Find public Instagram profile URLs with bio and category search terms, then clean the results and enrich a reviewed sample.

October 6, 2026

Translate Your CSV Files

How to translate CSV files online for free

Translate selected CSV text columns while preserving IDs, SKUs, URLs, and row structure. Compare providers on a sample, review output, and export an import-ready file.

October 6, 2026

Data Enrichment

Split One Cell into Multiple Rows

How to Split a CSV Column into Multiple Rows

Split a CSV column into multiple rows by choosing the column, delimiter, cleanup options, previewing the result, and downloading a normalized CSV.

October 6, 2026

Dedupe Your List Without Losing Data

How to Dedupe a List Online Without Losing Data

Learn how to dedupe a list online, review uncertain matches, merge useful fields, remove extra rows, and export a clean CSV or Excel file.

October 5, 2026

Remove and Merge CSV Duplicates

How to remove and merge CSV duplicates online

You have exported your data from an application in a CSV file and want to eliminate duplicates? You have concatenated several CSV files into a big list and now need to deduplicate it? You are looking to deduplicate CSV files online on one or several...

October 3, 2026

Unify Field Values Without Merging Rows

How to Unify Field Values in Duplicates (Without Merging)

Normalize and standardize fields from duplicates without merging! Use Datablist’s AI-powered Duplicates Finder to clean up company names, job titles, or locations across duplicate records. No coding needed.

October 2, 2026

Extract Cities and Countries

How to extract the City and Country from a list of addresses

Turn an address or location column into City, Country, Country Code, and coordinates with Location Lookup. Preview ambiguous matches before exporting.

September 29, 2026

Data Cleaning Data Enrichment

How to scrape Facebook group members and enrich them with LinkedIn profiles

With thousands of thematic Facebook Groups available, follow this step by step guide to extract Facebook group member profiles. Enrich them with LinkedIn profile url to build your perfect leads database.

September 28, 2026

Detect Disposable Email Addresses

How to detect disposable domains in a list of email addresses

Learn the drawbacks of disposable email addresses, learn how to detect and remove them from your email lists.. And for free!

September 26, 2026

How to edit big CSV files online

Import, edit, filter, and export a large CSV in your browser. Learn which import checks preserve your records and when to split the file.

September 26, 2026

Match Records Across Datasets

Free Data Matching Online tool

Datablist is an online application, compatible with Mac OS, Microsoft Windows and Linux, to perform data matching fast. It implements exact match, phonetic and advanced fuzzy matching algorithms.

September 26, 2026

How to convert a TXT file to CSV online

Some applications export data into text files with a .TXT extension. Because plain text files are generic, they are an easy format to export data. This guide shows you how to use Datablist to parse your TXT file and export it into a standard CSV...

September 25, 2026