Rowslint - CSV Import Widget for Web Applications

The CSV Importer for Your Application

Integrate a powerful CSV & Excel import widget with AI-powered column matching in minutes. No backend required. Lightning fast, secure, privacy-first, and developer-friendly data import solution.

5-min setup
Privacy-first
Get Started Now

Free 14-day trial • No credit card required • Cancel anytime

app.yourcompany.com/import
Rowslint CSV import widget dashboard showing AI-powered column mapping, data validation, and real-time file processing interface
10M+
Rows Processed
99.9%
Accuracy Rate
<100ms
Load Time
Why Choose Rowslint

Built for Speed, Security & Simplicity

Experience the most powerful CSV and Excel import widget with real-time data validation designed to save your team hours of work while keeping your data secure and compliant.

Lightning Fast

Process millions of rows in seconds with our high-performance engine. No more waiting around—your data is validated and ready instantly.

Privacy First

Your data never touches our servers. Everything is processed client-side, ensuring maximum security and compliance with privacy regulations.

Effortless Setup

Integrate in minutes, not days. Drop in our SDK and you're done. Built-in support for React, Vue, Angular, and vanilla JavaScript.

10M+
Files Processed
99.9%
Uptime SLA
<5min
Integration Time
Powerful Features

Everything You Need to Handle Data Imports

From AI-powered mapping to custom validation, we've got every feature you need to make data importing seamless.

Multi-Format Support

Import data from CSV, XLS, XLSX, and more. Handle any file format your users throw at you.

AI

AI-Powered Mapping

Smart column matching with AI that understands your data structure and automatically maps fields.

Advanced Validation

Built-in validation rules for data types, formats, ranges, and custom business logic.

Custom Rules

Create custom validation rules tailored to your specific requirements with JavaScript.

Fully Customizable

Match your brand perfectly with complete control over colors, fonts, and UI elements.

Live Editing

Edit and validate data in real-time with instant feedback and error highlighting.

No-Code Import

Generate shareable import links for non-technical users without writing code.

Headless SDK

Use your own UI and leverage our powerful processing engine behind the scenes.

Developer First

Built by developers for developers with excellent docs, TypeScript support, and examples.

Want to see all features in action?

Explore Pricing Plans

Simple, Transparent Pricing

Choose the perfect plan for your CSV and Excel data import needs. All plans include our powerful import widget with AI-powered column matching and real-time validation.

Free

$0 /month

Perfect for trying out our CSV import widget

Get Started
What's included:
100 file imports per month
Basic data validation
Standard support
CSV & Excel formats
Email notifications
Most Popular

Pro

$45 /month

For growing teams with higher volume needs

Start Free Trial
What's included:
10,000 file imports per month
Advanced data validation
Priority support
CSV, Excel & JSON formats
Custom field mapping
Webhook integrations
Advanced analytics

Max

$85 /month

For enterprise teams at scale

Start Free Trial
What's included:
50,000 file imports per month
Enterprise-grade validation
Dedicated support
All file formats supported
Custom branding
API access
Advanced analytics & reporting
Custom data transformations

Need a custom plan? Contact us for enterprise solutions.

All plans include a 14-day free trial. No credit card required.

Common Features Across All Plans

Powerful importing, smart mapping, and rock-solid security—standard on every plan.

Core Import & File Handling

  • CSV, XLS, XLSX files supported
  • Auto-detect delimiter, headers, encoding, date/number formats
  • Multi-sheet selection; sheet-without-headers support
  • Large file support with configurable size & row limits
  • Drag-and-drop and copy-paste support
  • Incremental uploads & resume failed upload
  • Client-side preview before submit
  • Header row selection

Column Mapping & Schema

  • Unlimited Schemas
  • Smart/AI column matching to target schema
  • Required/optional fields & default values
  • Dynamic code based columns
  • Dynamic user attributes
  • List/enum constraints & reference lookups
  • Saved mappings; auto-apply on next upload
  • Custom mapping keywords
  • Virtual/derived columns

Validation & Data Quality

  • Built-in validators (type, length, range, regex)
  • Cross-field & row-level rules
  • Server-side validation
  • Custom JavaScript validators
  • Duplicate detection
  • Real-time error highlighting
  • Inline editing & correction

AI-Powered Intelligence

NEW
  • AI-powered column matching with semantic understanding
  • Automatic data type detection & suggestions
  • Smart error detection & fix recommendations
  • Intelligent data formatting & standardization
  • Natural language validation rules
  • Predictive data quality scoring
  • Auto-suggest missing field values
Try It Yourself

Experience the Power Live

See how easy it is to import data with Rowslint. Test our importer with a sample CSV file.

1

Download Sample

Get our example CSV file

2

Open Importer

Launch the widget

3

Import Data

See the magic happen

Download Sample CSV
No signup required
Instant preview
Real validation
Full functionality
Start Your Journey Today

Ready to Transform Your Data Import Experience?

Join developers who are saving hours every week with our powerful CSV import widget. Start your free trial today—no credit card required.

Get Started Now
14-day free trial
No credit card required
Cancel anytime

5-Minute Setup

Integrate in minutes, not days

Enterprise Security

Your data stays secure

Lightning Fast

Process millions of rows instantly

Have questions? Contact our team and we'll help you get started.