CSV Tool Categories
Conversion Tools
Convert your CSV data to and from popular formats with ease.
Basic Operations
Essential tools for everyday CSV tasks. Perfect for beginners and quick data manipulation needs.
Formatting & Cleanup
Professional data cleaning tools to standardize and format your data perfectly.
Data Analysis & Math
Powerful analytical tools to understand and visualize your data insights.
Validation & Quality
Ensure your data meets quality standards with comprehensive validation tools.
Machine Learning Tools
Build and train machine learning models without coding knowledge.
Developer Tools
Advanced tools for developers and power users who need programmatic control over their data processing workflows.
Time & Productivity Tools
Tools to help with time management, scheduling, and global coordination.
Random Tools
Entertaining and creative tools for fun projects, testing, and generating random data.
General Utilities and Tools
Helpful utility tools for everyday data tasks and calculations.
Security Tools
Password generation, encryption, and security utilities.
Excel Tools
Comprehensive Excel formula reference and productivity tools.
Git Tools
Comprehensive Git command reference and developer utilities.
Form Builder
Create professional forms, surveys, quizzes, and polls with analytics.
Complete CSV Tools Suite
88 available tools and 3 planned tools in this directory; 113 available tools across the site, including the PDF Suite. Everything you need to work with data files efficiently.
All CSV Processing Tools
Professional data processing tools for every need. Convert between formats, clean data, perform analysis, and validate your CSV files with our comprehensive suite.
Showing all 91 tools
CSV to Excel
Convert CSV files to Excel (.xlsx) format with formatting
CSV to JSON
Transform CSV data to JSON format for APIs and web apps
CSV to JSONL
Convert CSV to JSON Lines (NDJSON) for ML training, BigQuery, and streaming data
CSV to PDF
Convert CSV files to professional PDF documents with custom formatting
CSV to Parquet
Convert CSV files to high-performance Parquet format for big data analytics and faster processing
CSV to Lua Table
Convert CSV files to Lua table format for game development and scripting applications
CSV to SQL
Generate SQL INSERT and CREATE TABLE statements from CSV data
CSV to XML
Convert CSV to XML structured format
CSV to HTML Table
Create beautiful HTML tables from your CSV data
CSV to Markdown
Generate Markdown tables for documentation
CSV to YAML
Convert CSV data to YAML configuration format for DevOps tools
Excel to CSV
Convert Excel (.xlsx, .xls) files to CSV format
JSON to CSV
Convert JSON data to CSV format with nested object support
JSON to YAML
Convert JSON to YAML format for configuration files and DevOps
JSON to SQL
Convert JSON data to SQL INSERT statements and CREATE TABLE schemas
SQL to CSV
Convert SQL query results or INSERT statements to CSV
SQL to JSON
Convert SQL INSERT statements to JSON format with multiple output options
XML to CSV
Parse XML data and convert to CSV format
HTML to CSV
Extract table data from HTML and convert to CSV
Markdown to CSV
Parse Markdown tables and convert to CSV format
YAML to CSV
Convert YAML configuration files to CSV spreadsheet format
YAML to JSON
Convert YAML configuration to JSON format for APIs and applications
YAML to .env
Extract environment variables from YAML files and convert to .env format for Docker and DevOps
XML to YAML
Convert XML documents to YAML configuration format for modern DevOps tools
YAML to XML
Transform YAML configuration to XML format for legacy systems and Java applications
XML to JSON Converter
Convert XML to JSON online with attributes, arrays and CDATA preserved exactly
JSON to XML Converter
Turn JSON into well-formed XML with attributes, CDATA blocks and custom root elements
XML Formatter & Beautifier
Pretty print, validate and minify XML online with instant error messages
JSON Beautifier
Format, validate, and prettify JSON with tree view and syntax highlighting
JSONPath Tester
Test JSONPath expressions online with instant evaluation and live results
JSON Diff Tool
Compare two JSON objects and visualize differences with detailed change detection
JSON Minifier
Compress JSON by removing whitespace and formatting for smaller file sizes
YAML Validator & Formatter
Validate YAML syntax and format configurations for Kubernetes, Docker, Ansible
EPUB Compressor
Reduce EPUB file size by recompressing JPEG images and cleaning markup. Image quality may change.
PDF Password Remover
Remove password protection from secured PDF files instantly in your browser. Unlock, view, copy, and print restricted PDFs.
Excel Password Remover
Unprotect Excel sheets and workbooks online free. Remove worksheet protection and structure locks without the password.
Excel Password Protector
Password protect Excel files online. Lock worksheets, formulas and workbook structure in your browser.
PDF Password Protector
Add password protection to PDF files with user and owner permissions. Secure your documents with encryption.
Remove Duplicates
Instantly detect and remove duplicate rows from your CSV files
Merge CSV Files
Combine multiple CSV files into one with smart column matching
Split CSV
Split large files by rows, size, or column values
Transpose Data
Flip rows and columns to restructure your data layout
Remove Empty Rows/Columns
Clean up your data by removing empty or blank entries
Reorder Columns
Drag and drop to rearrange columns in your preferred order
Trim Whitespace
Remove extra spaces and clean up formatting issues
Fix Capitalization
Convert ALL CAPS, lowercase, or inconsistent text to proper case
Standardize Dates
Convert all date formats to a consistent standard format
Standardize Phone Numbers
Format phone numbers consistently across your dataset
Remove Special Characters
Clean up emojis, symbols, and unwanted characters
Auto-detect Data Types
Automatically identify and convert column data types
CSV SQL Joiner
Upload multiple CSV files, define join keys, and run SQL queries online to combine your data
SQL Query CSV
Query your CSV data using SQL commands and build interactive dashboards
Group By & Aggregate
Sum, average, count, and group data by categories
Pivot Table Generator
Create dynamic pivot tables for data analysis
Statistical Analysis
Calculate mean, median, mode, standard deviation
Chart Generator
Create bar, line, pie, and scatter charts from your data
Outlier Detection
Identify data points that don't fit the pattern
Data Dashboard (Lite BI)
Build interactive dashboards with bar, line, pie charts & tables from CSV/Excel/JSON
Email Validation
Verify email formats and check domain validity
Email Extractor
Extract email addresses from text and files with validation and bulk processing
Phone Number Extractor
Extract phone numbers from text, documents, or URLs quickly and for free
Regex Tester & Extractor
Extract or validate data using regular expressions
Schema Validator
Validate data against predefined schemas and rules
No-Code ML Model Builder
Build and train machine learning models from CSV data without coding
Mock CSV Generator
Generate realistic test data for development
CSV Comparison Tool
Compare two CSV files and highlight differences
CSV Zip Packager
Package multiple CSV files into organized ZIP archives
Natural Language Query
Query your CSV data using plain English commands
Column Dependency Checker
Analyze relationships and dependencies between columns
Custom Script Runner
Execute custom JavaScript code on your CSV data
Global Golden Hours
Find perfect meeting times across time zones with visual overlap detection
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa
URL Query Parameter Editor
Easily edit, add, and remove URL query parameters with visual interface
Random Emoji Generator
Generate random emoji combinations for social media, creative projects, and fun activities
Random Phone Numbers
Generate realistic fake phone numbers for testing, development, and privacy protection
Advanced CSV Editor
Professional CSV editor with inline editing, advanced filtering, sorting, and data management
JSON Case Converter
Convert JSON property names between camelCase, snake_case, PascalCase, kebab-case, and CONSTANT_CASE
CSV to Report Generator AI
Generate professional reports from CSV data using AI technology
CSV to Online Database
Convert and host your CSV data as a fully functional online database
Compress CSV
Reduce CSV file size using compression algorithms for faster transfers
Compress Excel
Reduce XLSX and XLSM file size by shrinking images, pivot caches and empty cells, in your browser
YAML Diff Tool
Compare two YAML files side-by-side with visual diff highlighting for Kubernetes configs
Webhook Tester
Free online webhook endpoint generator to catch, inspect & debug webhook requests in real-time
GUID/UUID Generator
Generate unique identifiers (GUID/UUID) instantly - supports v1, v4, v7 with bulk generation and multiple formats
ULID Generator & Decoder
Generate and decode ULIDs - universally unique lexicographically sortable identifiers with embedded timestamps
JWT Generator & Decoder
Generate, encode, decode, and debug JSON Web Tokens (JWT) with HS256/HS384/HS512 algorithms
Cron Expression Generator
Build and parse cron expressions with visual scheduling and next-run time preview
Password Generator & Strength Checker
Generate strong random passwords and check password strength with entropy analysis. Free, no signup, NIST compliant.
Excel Formula Directory
Search 150+ Excel formulas with syntax, examples, interactive playground, and free cheat sheet download
Git Command Directory
Search 50+ Git commands with syntax, examples, flags, pro tips, and difficulty levels. Free, no signup.
Comet Forms
Comet Forms is a free, no-signup form builder by CSV Tools Online.
What Are CSV Tools Online?
CSV Tools Online is a free, browser-based suite of 113 available tools across the site for converting, cleaning, analyzing, and transforming CSV, JSON, YAML, XML, Excel, and PDF files. File conversion and cleaning run locally. Connected services, API requests and published form responses use online services.
Popular tools include CSV to Excel converter, JSON beautifier,merge CSV files, remove duplicates, SQL query on CSV, and PDF password remover. Used by developers, data analysts, and QA engineers worldwide.
The Complete Online Data Processing Toolkit
Whether you're a software developer debugging API responses, a data analyst preparing reports, or a QA engineer validating test data, CSV Tools Online provides every tool you need in one place. No installation is needed for browser tools. Upload limits and sign-in requirements vary by tool.
Format Conversion Tools
Convert between CSV, Excel, JSON, SQL, XML, YAML, HTML, Markdown, Parquet, Lua, and PDF. Check each converter’s supported inputs, output options and upload limit. CSV to PDF includes a first-page attribution; conversion speed depends on file size and your device.
Data Cleaning & Transformation
Clean messy datasets with tools for removing duplicates, trimming whitespace,standardizing dates and phone numbers, fixing capitalization, andremoving special characters. Merge, split, transpose, and reorder columns without writing code.
Analysis & Visualization
Run SQL queries directly on CSV files, generate pivot tables, compute statistical analysis (mean, median, standard deviation), detect outliers, and create interactive charts — all in your browser using our free online tools.
Developer & JSON/YAML Tools
Our growing suite includes a JSON beautifier & minifier, JSON diff tool,JSON path tester, YAML validator, YAML diff,regex tester, cron expression generator, JWT generator, and webhook tester — essential utilities for modern development workflows.
Privacy & Security First
File conversion and cleaning happen in your browser without uploading the files. Connected integrations, hosted forms and API requests use online services. Check the privacy policy and the specific service before sharing sensitive information.
Frequently Asked Questions About CSV Tools
Is CSV Tools Online really free to use?
Browser file tools are free. Upload limits vary; the shared CSV/Excel upload accepts up to 55MB, while CSV Diff has no fixed upload cap. CSV to PDF includes first-page attribution. Connected services may require sign-in, and API plans have separate quotas.
Is my data safe when using these tools?
File conversion and cleaning happen locally without uploading files. Connected services, hosted forms and API requests transmit the data needed for those services; review the privacy policy before using them.
How do I convert CSV to Excel online?
Open the CSV to Excel tool, upload or paste your CSV data, configure options like delimiter and encoding, then click Convert. Your .xlsx file downloads instantly — no email or sign-up needed.
Can I run SQL queries on CSV files without a database?
Yes. Our SQL Query CSV tool lets you write standard SQL SELECT statements against uploaded CSV files. It supports WHERE, JOIN, GROUP BY, ORDER BY, and aggregate functions — all processed in your browser.
What JSON tools are available?
We offer a JSON Beautifier, JSON Minifier, JSON Diff (compare two JSON files), JSON Path Tester, JSON to CSV/SQL/YAML converters, and a JSON Case Converter for transforming key naming conventions.
How do I merge multiple CSV files into one?
Use the Merge CSV tool to combine multiple CSV files. Upload your files, choose column matching options, preview the appended rows, and download the merged CSV file. Use Join CSV with SQL for key-based joins.
What YAML tools do you offer?
Our YAML suite includes a YAML Validator (syntax checking), YAML Diff (compare files), YAML to JSON/CSV/XML/ENV converters, and JSON/XML to YAML converters. All support large files and complex nested structures.
Can I remove duplicate rows from a CSV file?
Yes. The Remove Duplicates tool detects and removes duplicate rows based on all columns or specific columns you select. Preview duplicates before removing them and download the cleaned file.
Do these tools work on mobile devices?
Yes, all tools are fully responsive and work on smartphones and tablets. The interface adapts to smaller screens while maintaining full functionality for data processing on the go.
How do I compare two JSON or CSV files?
Use our JSON Diff or CSV Diff tools. Paste or upload two files, and the tool highlights additions, deletions, and modifications with color-coded visual diff. Perfect for debugging API responses and configuration changes.
Can I validate and format JSON online?
Yes. The JSON Beautifier formats and validates JSON with syntax highlighting, collapsible trees, and error detection. The JSON Minifier compresses JSON by removing whitespace for production use.
What PDF tools are included?
We offer PDF Password Remover (unlock protected PDFs), PDF Password Protector (add encryption), and CSV to PDF converter. All PDF processing happens locally in your browser for maximum security.
Ready to Transform Your Data?
Start with any of our 88 available tools and experience professional data processing in your browser.
Most Popular
CSV to Excel Converter
Most Used
Remove Duplicates Tool