WorkToolsetTOOLS FOR A SMARTER WORKDAY
Pricing ✦ AI
✦ AI Pricing
FREN
Menu
Navigate
▦Tools211 tools organized by family ▣Studios 7Go further without re-uploading your files ✦WorkToolset AILocal, sourced, action-oriented AI ⚡WorkflowsAutomate recurring tasks ▣ProjectsOrganize and resume your work ◎SolutionsGuided journeys by business need ◫WorkspaceYour activity and shortcuts
Site language
FRFrançaisSwitch to French ENEnglishCurrent language
◇PricingCompare Free and Pro
Spreadsheets & data · ONLINE TOOL

Clean CSV / Excel data

Data Quality & Import cleaning mode: detect and apply safe, reversible fixes only, with preview before export.

Local processingNo account required
USE CASES

When to use Clean CSV / Excel data?

Direct entry into Data Quality & Import Clean mode: flag mechanical inconsistencies and apply reviewable transformations only.

  • Prepare data before import
  • Clean a CRM/HR export
  • Normalize dates, emails and phone numbers
CONCRETE EXAMPLE

Before import

Sample file
BEFORE
 DUPONT   Jean | JEAN@EXAMPLE.COM | 27/8/26
→
AFTER
DUPONT Jean | jean@example.com | 2026-08-27
PRIVACY

Your data stays in the browser

Processed content is not uploaded to WorkToolset. Required libraries may be loaded by the site, but the file stays in the browser.

GOOD TO KNOW

Limitations to know

  • Automatic fixes do not replace business rules.
  • Always review the preview before export.
HOW IT WORKS

A straightforward workflow.

  1. 1Prepare the required input and choose useful options.
  2. 2Review previews, warnings and limitations before export.
  3. 3Download a new copy or report: the original stays unchanged.
PRIVACY

Frequently asked questions

Are my files uploaded to WorkToolset?

No. This tool runs locally in your browser.

Is my original file modified?

No. WorkToolset creates a new copy or export.

Do I need an account?

No for this free tool. Accounts are mainly used for favorites, presets and future workflows.

RELATED TOOLS

Continue the same workflow

✓Data Quality & ImportAudit, clean and prepare CSV/Excel data in one workspace. Free does the work; Pro adds deeper scoring, evidence and professional reporting.→CHKValidate emails, phones & datesPrepare CSV validation, map columns, review issues and normalizations, then download a reviewed copy.→ABCNormalize a CSV columnMeasure normalization impact on one column, compare before/after values, filter changes, and review the copy before export.→XLSXExcel / XLSX Workflow BuilderApply and save a reusable cleaning workflow to an Excel sheet, then export a new workbook copy.→
WORKTOOLSET ACCOUNT

Sign in

Access your favorites and presets across devices.

or with email

Your documents are not stored in your account.

 WORKTOOLSET PRO

When work needs verification, explanation or evidence, Pro takes over.

AUDITAudit & verificationScores · priorities · recommendations
≈Reconciliation & local AIAmbiguity · exceptions · sources
SAFEPrivacy & QAPreflight · accessibility · sharing
PDFEvidence & reportsSHA-256 · manifest · CSV · JSON · PDF
Scale afterwards, when neededAI Workbench with local content analysis, universal production queue, specialized batch processing, recipes, workflows, Studio sessions and projects remain included in Pro.
100 presets · 50 projects · 20 templates · 500 favorites

Payments, taxes and invoices are managed by Paddle. Your documents are never part of payment data.
⌕Esc
Search by name, task, or format. Simple typos are tolerated; Ctrl+K also finds Studios, workflows, guides, and business solutions.