Online Tools
Comprehensive collection of cryptographic, encoding, and data processing utilities
Hash Functions
- MD5 Hash GeneratorGenerate MD5 hash from text or files - free online tool
- SHA256 Hash CalculatorGenerate SHA256 hash from text or files - secure hash function
- SHA512 Hash GeneratorGenerate SHA512 hash from text or files - advanced security
- SHA1 Hash GeneratorGenerate SHA1 hash from text or files - legacy hash function
- CRC32 Checksum CalculatorCalculate CRC32 checksum - error detection tool
IP Tools
- IPv4 Address ConverterConvert IPv4 addresses between decimal, binary, hexadecimal, and dotted decimal formats
- Subnet Mask CalculatorCalculate subnet masks, network addresses, and host ranges
- IPv4 to Long ConverterConvert between IPv4 addresses and Long integer format
- Subnet Reverse CalculatorReverse calculate subnet information from IP ranges
- IP Range CalculatorCalculate IP address ranges and available host addresses
Encryption Tools
- AES Encryption OnlineEncrypt text using AES algorithm - secure encryption
- AES Decryption ToolDecrypt AES encrypted text - free decryption tool
- DES Encryption OnlineEncrypt text using DES algorithm - data encryption
- Triple DES EncryptionEncrypt text using Triple DES algorithm - enhanced security
- RSA Encryption ToolEncrypt text using RSA public key - asymmetric encryption
Encoding/Decoding
- Base64 Encoder OnlineEncode text to Base64 format - free encoding tool
- Base64 Decoder ToolDecode Base64 text to original format - data decoding
- Base58 Encoder OnlineEncode text to Base58 format - Bitcoin encoding
- Base32 Encoder ToolEncode text to Base32 format - RFC 4648 standard
- HTML Entity EncoderEncode special characters to HTML entities - web development tool
- URL Encoder OnlineEncode text for URL usage - percent encoding
Data Formatting
- JSON Formatter OnlineFormat and validate JSON data - beautify JSON
- JSON Minifier ToolCompress JSON data - reduce file size
- XML Formatter OnlineFormat and validate XML data - XML beautifier
- XML Minifier ToolCompress XML data - XML compression
- Syntax Highlighter OnlineHighlight syntax for various programming languages - code formatter
Text Processing
- Lower Case ConverterConvert text to lowercase - case conversion tool
- Upper Case ConverterConvert text to uppercase - text transformation
- Snake Case ConverterConvert text to snake_case format - programming case
- Kebab Case ConverterConvert text to kebab-case format - URL-friendly case
- Pascal Case ConverterConvert text to PascalCase format - class naming convention
- Camel Case ConverterConvert text to camelCase format - JavaScript naming
Frequently Asked Questions
How can I generate MD5 hash of a file online for free?
Use our free MD5 hash generator to upload any file or paste text and get instant MD5 checksum. No registration or software installation required.
What is the best online tool to encrypt text with AES-256?
Our AES encryption tool supports AES-256-CBC with secure key derivation. Enter your text and password to encrypt instantly in your browser.
How do I decode Base64 string to text online?
Paste your Base64 string into our Base64 decoder and get plain text output immediately. Supports large strings and file uploads.
Can I verify SHA256 checksum of a downloaded file?
Yes! Upload your file to our SHA256 calculator and compare the generated hash with the official checksum to verify file integrity.
Is there a free online JSON formatter and validator?
Our JSON formatter beautifies, validates, and minifies JSON data with syntax highlighting and error detection.
Ready to Start?
Explore our comprehensive collection of free online cryptographic tools for all your hash generation, base64 encoding, and text encryption needs. Our JSON formatter and QR code generator are perfect for developers.
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