Convert between different data formats
Quickly encode and decode Base64 strings, supporting both text and file conversion
Convert between JSON and CSV formats with nested object flattening and custom delimiter support
Convert between JSON and YAML formats with custom indentation and flow/block style support
Convert between Unix timestamps and human-readable date/time
Convert images to Base64 encoding, supporting PNG, JPG, GIF, SVG, WebP formats, generate Data URI and CSS backgrounds
Convert time between any timezone worldwide with live updates, meeting planner, and automatic DST handling
CSV data processing toolkit with sort, dedupe, delimiter conversion, column extraction, transpose, and validation
Convert text between Hex, Binary, Unicode, ASCII, Base64, and many other encoding formats
Convert between binary, octal, decimal, and hexadecimal number systems with custom base support (2-36)
Convert text encoding between UTF-8, GBK, Big5, Shift_JIS, ISO-8859, Windows codepages with auto-detection
Data conversion and format transformation are critical operations in modern software development. Whether converting between JSON and CSV, encoding text to Base64, or transforming data between different formats, conversion tools help you bridge incompatible systems and protocols. This category covers essential conversion operations including JSON/CSV/YAML conversions, character encoding (UTF-8, Base64, Hex), image-to-Base64 conversion, and URL encoding/decoding. These tools are essential for API integration, data migration, file format compatibility, and system interoperability. Understanding format compatibility, data type preservation, and encoding standards is crucial for successful data transformation. This guide covers common conversion scenarios, best practices for maintaining data integrity, and troubleshooting conversion errors.
Transform structured JSON data into CSV spreadsheet format and vice versa. Essential for data import/export, Excel integration, and spreadsheet data processing.
Encode text and binary data to Base64 format for safe transmission in emails, URLs, and text-based protocols. Decode Base64 strings back to original data.
Safely encode URL parameters and special characters for web requests. Decode encoded URLs for readability and debugging.
| Format Type | Use Cases & Benefits |
|---|---|
| JSON ↔ CSV | Import/export structured data between JSON and spreadsheet formats. Useful for data analysis, reporting, and integration with Excel/Google Sheets. |
| JSON ↔ YAML | Convert between JSON (compact, machine-readable) and YAML (human-readable configuration). Common in Kubernetes, Docker, and CI/CD tools. |
| Base64 Encoding | Encode binary data and special characters into safe text format. Used in email attachments, Data URIs, and text-based protocols. |
| Character Encoding | Convert between different character encodings (UTF-8, GBK, Shift-JIS, ISO-8859-1). Essential for internationalization and legacy system integration. |
| Image to Base64 | Convert image files to Base64 data URIs for embedding in HTML/CSS without external requests. Reduces HTTP requests but increases HTML size. |
| URL Encoding | Encode special characters for safe transmission in URLs and query parameters. Decode encoded URLs for readability and debugging. |
When converting formats, ensure data types are preserved correctly (numbers vs. strings, dates vs. timestamps). Validate converted data against schema.
Always specify source and target character encodings. UTF-8 is recommended for modern applications. Test with international characters and special symbols.
Validate source data structure before conversion. Use schema validation (JSON Schema, CSV headers) to catch errors early and prevent corrupted output.
Test conversion with edge cases: empty values, null values, special characters, very large datasets, and different line endings.
Clearly document how fields/columns map between formats. Maintain mapping rules for complex conversions to ensure consistency.
Be aware of size changes during conversion. Base64 encoding increases size ~33%. Plan accordingly for storage and transmission.