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CSV Viewer

CSV Viewer

Your data stays in your browser

Drop a CSV, TSV, or TXT file

Auto-detects delimiter (comma, tab, semicolon, pipe)

100% client-side processing

About CSV Viewer

CSV (Comma-Separated Values) is the most common format for tabular data exchange. This viewer handles CSV, TSV, and other delimited text files with automatic delimiter detection.

The virtual-scrolled data grid can handle files with hundreds of thousands of rows without freezing your browser, using only the memory needed for visible rows.

Quick Tips

Drag and drop a .csv or .tsv file, or paste CSV text directly from your clipboard
Click column headers to sort -- numbers, dates, and text are sorted by their type
Use global search to find rows matching any text, or add per-column filters
Export filtered results as CSV, TSV, or JSON from the export panel

Learn More

CSV vs TSV vs JSON: Which Format to Use
Handling Large CSV Files in the Browser
CSV Parsing Edge Cases: A Developer's Guide

Calculate

Epoch Converter
Cron Builder
Subnet Calculator
Color Converter
chmod Calculator
Base Converter
Byte Calculator
Timezone Converter

Encode & Decode

Base64 Encoder
URL Encoder
HTML Entities
Hex Encoder
Text Transform
Image to Base64

Format & Validate

JSON Formatter
YAML Validator
SQL Formatter
Markdown Preview
Mermaid Diagram Renderer
ASCII to SVG

Inspect & Analyze

JWT Decoder
Regex Tester
Diff Checker
HTTP Status Codes
CSV Viewer
User Agent Parser
API Playground

Generate

Hash Generator
UUID Generator
Password Generator
Mock Data Generator
QR Code Generator
Schema Designer
Architecture Diagram

Lookup

Domain Dashboard
IP Lookup
ASCII Table

Company

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