Data Cleaning Tool

Data Cleaning Tool: Import a Messy CSV, Export Clean Data.

Drop in any spreadsheet or CSV — ListPlus runs 100+ quality checks, lets you fix issues with plain English AI commands, and exports data that is ready for your CRM or campaign.

Free plan · No credit card · EU-hosted

See how ListPlus detects, flags, and fixes data quality issues.
The Problem

Dirty Data Is Killing Your Pipeline

Bad data doesn't just look unprofessional — it costs you deals, wastes ad spend, and erodes trust in your CRM. Manual cleanup can't keep up.

Data Decay~25%

B2B data decays every year

People change jobs, companies rebrand, emails bounce. Industry estimates put decay at roughly a quarter of a database per year — and you're mailing ghosts.

Cleanup TimeHours

Per manual cleanup batch

Find-and-replace in Excel, regex hacks, copy-pasting between tools. Every week. For every list. It never ends.

Email QualityBounces

Invalid emails bounce before you start

Invalid formats, disposable addresses, role-based inboxes, typos in domains. Your email campaigns bounce before they start.

Tool Sprawl5+

Tools for basic quality checks

Email validator here, phone formatter there, duplicate finder somewhere else. No single tool covers all your data quality needs.

The Real Cost

You don't have a data problem — you have a Monday-morning-cleanup problem that never ends.

Manual cleanup doesn't scale. You need one tool that runs every check at once.

The Solution

One-Time Cleanup That Actually Works

Import your messy file, see every issue instantly, fix thousands of rows with one click or a plain English command, and export clean data — all in one session.

Detect

100+ Automated Quality Checks — Instant Results

Drop in a CSV or spreadsheet and see every issue in seconds — invalid emails, inconsistent country names, formatting chaos. Each record gets a quality score so you know exactly where to start.

  • Email validation — format, disposable, role-based detection
  • Phone number normalization to E.164 international format
  • Duplicate detection with fuzzy matching and merge suggestions
  • Company name standardization — legal suffixes, casing, abbreviations
100+ automated data quality checks in ListPlus
Command

Natural Language AI Commands

Describe what you need in plain English and the AI executes it. No formulas, no regex, no scripting — just tell ListPlus what to fix and it handles the entire file.

  • "Normalize all phone numbers to E.164" — done in seconds
  • "Standardize country names to ISO 3166" — across all languages
  • Describe any transformation — the AI figures out the rest
  • Bulk processing — one command cleans thousands of rows at once
Natural language AI commands for data cleaning
Fix

Bulk Operations & One-Click Fixes

Quality checks come with quick-fix actions. Fix thousands of formatting issues, merge duplicates, or generate missing fields — in one click. No scripting required.

  • Fix thousands of rows at once with one-click quick fixes
  • Merge duplicate records with intelligent field selection
  • Generate salutations from name and gender data
  • Bulk trim whitespace, fix casing, remove special characters
Score

Export Clean Data with Confidence

Every record gets a quality score from 0-10. Export only the clean segments, filter out garbage rows, and send ready data to your CRM or outbound tool.

  • Quality score 0-10 per record — instantly spot problem rows
  • Filter and export only records that pass your quality threshold
  • Export to CSV or Excel, or sync to Google Sheets, Airtable, and your CRM
  • Dynamic sublists keep your ready segment up to date as you fix rows
The Difference

Before & After ListPlus

After
Cleaned in one session with 100+ automated checks
"Normalize phones to E.164" — one AI command
Fuzzy duplicate detection with merge suggestions
Quality score 0-10 per record — export only clean data
All quality checks in one platform, one session
Auto-mapped import, instant cleanup, confident export
Before
Spent a weekend cleaning a spreadsheet
Regex hacks for phone number formatting
Manual duplicate hunting across columns
No idea which rows are usable
5+ tools for email, phone, and format checks
Re-importing and hoping the format matches
Capabilities

Every Data Quality Check You Need

Format Normalization

Phone numbers to E.164, countries to ISO, names to proper case, company names with correct legal suffixes. Consistent formatting across every field.

Duplicate Detection

Fuzzy matching finds near-duplicates even with typos and abbreviations. Merge suggestions let you combine records with one click — keeping the best data from each.

Smart Validation

AI-powered checks go beyond regex — validating city-country combinations, detecting placeholder data, flagging suspicious patterns that rule-based tools miss.

From $55/mo

Basic plan: $0, import up to 25,000 records, edit 5,000, 25 credits and all quality checks. Pro at $55/mo: 100,000 records, 250 credits, Google Sheets, Airtable and Lemlist. Premium at $149/mo: 1,000,000 records, 1,000 credits and CRM sync. AI Agent API on every plan, even the free one. No per-seat pricing.

See Pricing
FAQ

Frequently Asked Questions

What is a data cleaning tool?

A data cleaning tool automatically detects and fixes quality issues in your datasets — invalid emails, inconsistent formatting, duplicates, missing fields, and more. ListPlus combines 100+ automated checks with AI-powered commands so you can clean thousands of records in one session instead of hours of manual work.

What quality checks does ListPlus run?

ListPlus runs 100+ checks across every data type: email validation (format, disposable, role-based), phone normalization (E.164), name formatting (proper case, salutation generation), company standardization (legal suffixes, abbreviations), country/city validation, duplicate detection with fuzzy matching, and AI-powered plausibility checks.

Can I clean data with natural language commands?

Yes. Type commands like "Normalize all phone numbers to E.164", "Standardize countries to ISO 3166", or "Fix company name casing" and the AI processes your entire dataset. No formulas, no regex, no scripting required — describe the transformation and ListPlus executes it.

How does data cleansing software differ from manual cleanup?

Manual cleanup means hours of find-and-replace, regex formulas, and switching between multiple tools. Data cleansing software like ListPlus automates all of this: 100+ checks run instantly on import, one-click quick fixes resolve thousands of issues at once, and AI commands handle complex transformations that would take hours manually.

Does ListPlus work with my CRM?

Yes. On Premium, ListPlus connects to HubSpot, Salesforce, Pipedrive and Notion via Pipedream (OAuth, revocable in your CRM). Pro includes Google Sheets, Airtable and Lemlist. Every plan supports CSV/Excel import and export from any source. Clean your data in ListPlus, then export or sync it back — write-back happens when you choose, not automatically. Further apps are available via Pipedream Connect.

Is it GDPR compliant?

ListPlus is EU-hosted (Frankfurt) on Vercel (SOC 2 Type 2). CRM credentials are held by Pipedream (SOC 2 Type 2) via OAuth. Your lists are stored encrypted and persist until you delete them; temporary lookup results expire. Enrichment providers receive only the identifier being enriched (email, domain or LinkedIn URL). A DPA is available on request for every plan.

Clean Your Data | Today

Free plan · No credit card · 100+ quality checks included