Data Processing Tools

Transform, convert, and format your data with our powerful collection of 10 free online tools.

10 Tools100% FreeBrowser-Based

JSON Beautifier & Formatter

Professional JSON formatting tool with real-time syntax highlighting, validation, minification, and error detection. Perfect for debugging API responses and configuration files.

Syntax HighlightingValidationMinify+1

Random Generator

Generate cryptographically secure random numbers, strings, UUIDs, and passwords. Perfect for testing and development.

Numbers & decimalsCustom stringsUUID v4+1

JSON to CSV Converter

Convert JSON data to CSV format with support for nested objects and arrays. Flatten complex structures, customize delimiters, preview results, and download instantly.

Flatten NestedCustom DelimiterDownload+1

Markdown Table Generator

Create and edit Markdown tables visually. Import from CSV or JSON, customize column alignment, and export to Markdown, HTML, JSON, or CSV formats.

Visual EditorCSV/JSON ImportMultiple Exports+1

CSV ↔ Excel Converter

Convert between CSV and Excel (XLSX) formats directly in your browser. No server upload needed - all processing happens locally with support for large files and multiple sheets.

CSV ⇄ XLSXMultiple SheetsLarge Files+1

JSON Schema Generator

Automatically generate JSON Schema from sample JSON data. Validate structure, infer types, and create reusable schemas for API documentation and data validation.

Auto GenerateType InferenceSchema Validation+1

UUID Generator & Validator

Generate and validate UUIDs (v1, v3, v4, v5) with bulk generation support. Perfect for database keys, API identifiers, and unique resource naming. Includes format verification.

UUID v1-v5Bulk GenerateValidation+1

Date Formatter & Parser

Convert timestamps between formats and timezones. Parse Unix timestamps, ISO 8601, custom date formats. Calculate date differences and format dates for any locale.

Multiple FormatsTimezone ConvertDate Difference+1

CSV Merger & Splitter

Merge multiple CSV files into one or split large CSVs by row count or filter conditions. Supports column mapping, deduplication, and custom merge rules.

Merge CSVsSplit by RulesDeduplicate+1

JSON to Markdown Table

Convert JSON arrays to beautifully formatted Markdown tables instantly. Customize column headers, alignment, and formatting. Perfect for documentation and README files.

Auto FormatCustom HeadersColumn Alignment+1