✦ Free · Private · No login needed

Your CSV files,
fixed in seconds.

Convert, clean, and repair CSV files right in your browser. No uploads to any server. No account required. Just results.

Start for free See all features
35+Tools
100%Private
$0To start
Start here

Upload your CSV

Drag and drop your file — everything happens instantly in your browser.

⇄ CSV to Excel
{ } CSV to JSON
▦ CSV to SQL
</> CSV to XML
◻ CSV to HTML
# CSV to Markdown
📂

Drop your CSV file here

or

Free plan · up to 5 MB · .csv files only

⊘ Remove Dupes
␣ Trim Whitespace
⬡ CSV to Parquet
$ CSV to QBO
⚡ CSV Pulse
✔ Compatibility
Everything in one place

All the tools you need

Upload once. Use everything. Never leave the page.

Convert
⇄
CSV to Excel
Free
{ }
CSV to JSON
Free
▦
CSV to SQL
Free
</>
CSV to XML
Free
◻
CSV to HTML
Free
#
CSV to Markdown
Free
—
CSV to YAML
Free
⬡
CSV to Parquet
Free · 5/day
$
CSV to QBO/OFX
Free · 50 transactions
↙
Excel to CSV
Free
↙
JSON to CSV
Free
⊕
Merge CSVs
Free · 5 files
✂
Split CSV
Free
Clean & Fix
⊘
Remove Duplicates
Free
␣
Trim Whitespace
Free
▣
Fill Empty Cells
Free
✦
Fix Encoding
Free
Aa
Standardise Case
Free
📅
Fix Date Formats
Pro
✕
Remove Columns
Pro
⇅
Reorder Columns
Pro
⊟
Filter Rows
Pro
↺
Find & Replace
Pro
AI Tools
⚡
CSV Pulse
Free · Unlimited
✔
Compatibility Checker
Free · Unlimited
◎
Quality Score
Free
🔧
Format Fixer
Pro
🏷
Column Namer
Pro
📝
Summary Writer
Pro
≈
Smart Dedupe
Pro
◈
Outlier Detector
Pro
Why CSVNow

Built different

Two features that exist nowhere else — completely free.

⚡

CSV Pulse

Drop your CSV and get an instant plain-English diagnosis — duplicates, broken dates, empty columns, encoding errors. No other free tool does this.

Free · No limit
✔

Compatibility Checker

Will your CSV import into Shopify, Mailchimp, MySQL, Google Sheets, Salesforce or HubSpot? Find out before a broken import costs you sales.

Free · No limit
🔒

100% Private

All processing happens in your browser. Your data never reaches any server on the Free plan.

⬡

CSV to Parquet

Convert to Parquet for data pipelines and analytics. Free for 5 files per day.

$

CSV to QuickBooks

Export to QBO/OFX for QuickBooks and Xero. Free up to 50 transactions.

◎

Quality Score

Get a 0–100 health score for any CSV with a full breakdown of every issue found.

Pricing

Simple, honest pricing

Start free. Upgrade when you need more.

Monthly Annual Save 30%
Free
$0 /mo
Forever free — no card needed
Get started free
  • Files up to 5 MB
  • 5 conversions per day
  • All 9 conversion formats
  • CSV to YAML
  • CSV to Parquet — 5 files/day
  • CSV to QBO/OFX — 50 transactions
  • 5 basic cleaning tools
  • CSV Pulse — unlimited
  • Compatibility Checker — unlimited
  • Quality Score & Summary
  • Merge & Split CSVs
  • 100% client-side & private
Most popular
Pro
$12 /mo
Billed monthly
Start Pro
  • Files up to 50 MB
  • Unlimited conversions
  • Everything in Free
  • CSV to Parquet — unlimited
  • CSV to QBO/OFX — unlimited
  • All 10 cleaning tools
  • Format Fixer (AI)
  • Column Namer (AI)
  • Summary Writer (AI)
  • Smart Dedupe (AI)
  • Outlier Detector
  • Column Stats & Quick Charts
  • Shareable Quality Reports
  • Priority email support
Business
$49 /mo
Billed monthly
Start Business
  • Files up to 200 MB
  • Everything in Pro
  • Up to 10 user seats
  • Batch Convert — 10+ files
  • Full REST API — 1,000 calls/day
  • Webhook support
  • White-label exports
  • Usage dashboard for all seats
  • Dedicated Slack support
  • 99.9% uptime SLA
  • Custom invoice on request
💡
Suggest a Feature

What would you like us to add?

Fill Empty Cells

How should empty cells be filled?