Developer Data Validation & Conversion Suite

Free, privacy-focused tools for developers to validate, convert, and transform data formats. All processing happens in your browser – your data never leaves your device.

No Signup Required

100% Private

Lightning Fast

Featured Tools

YAML ↔ JSON Converter

Convert between YAML and JSON formats instantly. Perfect for configuration files, CI/CD pipelines, and Kubernetes manifests.

Two-way conversion
Real-time conversion
Copy & download options

Try YAML Converter

XML ↔ JSON Converter

Convert between XML and JSON formats instantly. Perfect for SOAP APIs, RSS feeds, and data transformation between legacy and modern systems.

Bidirectional conversion
SOAP API compatible
RSS feed support

Try XML Converter

CSV ↔ JSON Converter

Convert between CSV and JSON formats instantly. Perfect for spreadsheet data, database exports, and API data transformation.

Custom delimiters
Header detection
Large file support

Try CSV Converter

JWT Decoder

Decode and validate JSON Web Tokens instantly. Perfect for debugging API authentication, inspecting token claims, and verifying signatures.

Real-time decoding
Expiration checking
Signature verification

Try JWT Decoder

UUID Generator

Generate universally unique identifiers (UUIDs/GUIDs) instantly. Perfect for database keys, API tokens, and unique identifiers.

Cryptographically secure
Bulk generation
Copy & download options

Try UUID Generator

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly. Perfect for file integrity, checksums, and password hashing.

Multiple algorithms
File & text hashing
HMAC support

Try Hash Generator

Text ↔ Hex Converter

Convert between text and hexadecimal formats instantly. Perfect for debugging binary data, network protocols, and embedded systems development.

Bidirectional conversion
UTF-8 support
Real-time encoding

Try Text/Hex Converter

Base64 ↔ Text Converter

Encode and decode Base64 instantly. Perfect for encoding binary data, embedding images, API tokens, and data URIs.

Bidirectional conversion
URL-safe option
File upload support

Try Base64 Converter

URL Encoder/Decoder

Encode and decode URLs instantly. Perfect for query parameters, special characters, and working with web APIs.

Bidirectional conversion
Component encoding
Real-time encoding

Try URL Encoder

Privacy-First Design

All tools on DataValidate Pro process data entirely in your browser using JavaScript. Your data never touches our servers, never gets logged, and never leaves your device. No signup, no tracking, no data collection – just fast, reliable developer tools.

Related Developer Tools

FormatKit

Looking for JSON beautifying, minifying, and formatting tools? Check out FormatKit for comprehensive JSON, Base64, and URL encoding utilities.

BinaryConvert

Need binary, hexadecimal, or text encoding conversions? BinaryConvert offers specialized tools for binary-to-text encoding and number base conversions.

RegexKit

Working with regular expressions and string manipulation? RegexKit provides advanced regex testing, string utilities, and pattern matching tools.

Data Validation Tools

JSON Validator

Validate JSON syntax, format with proper indentation, and minify for production. Real-time validation with clear error messages.

Try JSON Validator

CSV Validator

Validate CSV structure, detect formatting issues, check column consistency, and analyze data integrity. Perfect for data quality checks.

Try CSV Validator

JSON ↔ CSV Converter

Convert between JSON and CSV formats with custom delimiters, header detection, and quote handling. Perfect for spreadsheet data and API transformations.

Try JSON/CSV Converter