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4Dev › Tools

4Dev Toolbox

Every free tool on 4Dev, grouped by category. 350 tools and counting.

Data Format Conversions & Validators

JSON to CSV
CSV to JSON
JSON to XML
XML to JSON
JSON to YAML
YAML to JSON
CSV to XLSX
JSON to XLSX
CSV to XML
XML to CSV
JSON to SQL
SQL to JSON
YAML to CSV
JWT to JSON
MARKDOWN to HTML
JSON to PDF
CSV to PDF
JSON to DOCX
ENV to JSON
BASE64 to JSON
JSON Formatter & Beautifier
JSON Validator
JSON Minifier
XML Formatter & Beautifier
XML Validator
XML Minifier
CSV Validator
YAML Validator
TOML Validator
SQL Formatter

Number Base Converters

Binary to Octal Converter
Binary to Decimal Converter
Binary to Hexadecimal Converter
Octal to Binary Converter
Octal to Decimal Converter
Octal to Hexadecimal Converter
Decimal to Binary Converter
Decimal to Octal Converter
Decimal to Hexadecimal Converter
Hexadecimal to Binary Converter
Hexadecimal to Octal Converter
Hexadecimal to Decimal Converter

Color Converters

HEX to RGB Color Converter
HEX to HSL Color Converter
HEX to CMYK Color Converter
RGB to HEX Color Converter
RGB to HSL Color Converter
RGB to CMYK Color Converter
HSL to HEX Color Converter
HSL to RGB Color Converter
HSL to CMYK Color Converter
CMYK to HEX Color Converter
CMYK to RGB Color Converter
CMYK to HSL Color Converter

Case Converters

camelCase to PascalCase Converter
camelCase to snake_case Converter
camelCase to kebab-case Converter
camelCase to CONSTANT_CASE Converter
camelCase to Title Case Converter
camelCase to Sentence case Converter
PascalCase to camelCase Converter
PascalCase to snake_case Converter
PascalCase to kebab-case Converter
PascalCase to CONSTANT_CASE Converter
PascalCase to Title Case Converter
PascalCase to Sentence case Converter
snake_case to camelCase Converter
snake_case to PascalCase Converter
snake_case to kebab-case Converter
snake_case to CONSTANT_CASE Converter
snake_case to Title Case Converter
snake_case to Sentence case Converter
kebab-case to camelCase Converter
kebab-case to PascalCase Converter
kebab-case to snake_case Converter
kebab-case to CONSTANT_CASE Converter
kebab-case to Title Case Converter
kebab-case to Sentence case Converter
CONSTANT_CASE to camelCase Converter
CONSTANT_CASE to PascalCase Converter
CONSTANT_CASE to snake_case Converter
CONSTANT_CASE to kebab-case Converter
CONSTANT_CASE to Title Case Converter
CONSTANT_CASE to Sentence case Converter
Title Case to camelCase Converter
Title Case to PascalCase Converter
Title Case to snake_case Converter
Title Case to kebab-case Converter
Title Case to CONSTANT_CASE Converter
Title Case to Sentence case Converter
Sentence case to camelCase Converter
Sentence case to PascalCase Converter
Sentence case to snake_case Converter
Sentence case to kebab-case Converter
Sentence case to CONSTANT_CASE Converter
Sentence case to Title Case Converter

Timestamp Converters

Unix Timestamp to Unix Timestamp (ms) Converter
Unix Timestamp to ISO 8601 Converter
Unix Timestamp to RFC 2822 Converter
Unix Timestamp to Human-Readable Date Converter
Unix Timestamp (ms) to Unix Timestamp Converter
Unix Timestamp (ms) to ISO 8601 Converter
Unix Timestamp (ms) to RFC 2822 Converter
Unix Timestamp (ms) to Human-Readable Date Converter
ISO 8601 to Unix Timestamp Converter
ISO 8601 to Unix Timestamp (ms) Converter
ISO 8601 to RFC 2822 Converter
ISO 8601 to Human-Readable Date Converter
RFC 2822 to Unix Timestamp Converter
RFC 2822 to Unix Timestamp (ms) Converter
RFC 2822 to ISO 8601 Converter
RFC 2822 to Human-Readable Date Converter
Human-Readable Date to Unix Timestamp Converter
Human-Readable Date to Unix Timestamp (ms) Converter
Human-Readable Date to ISO 8601 Converter
Human-Readable Date to RFC 2822 Converter

Text Encoders/Decoders

Text to Binary Converter
Text to Hexadecimal Converter
Text to ROT13 Converter
Text to Morse Code Converter
Text to HTML Entities Converter
Binary to Text Converter
Hexadecimal to Text Converter
ROT13 to Text Converter
Morse Code to Text Converter
HTML Entities to Text Converter

Hash Generators

MD5 Hash Generator
SHA-1 Hash Generator
SHA-256 Hash Generator
SHA-512 Hash Generator
CRC32 Hash Generator

Currency & Crypto Converters

Developer Workflow Tools

Cron Expression Explainer
cURL to Code Converter
JSON to TypeScript Converter
Text Diff Checker
QR Code Generator
UUID Generator
Password Generator
Slug Generator
Chmod / Unix Permission Calculator