Online Crypto and Dev Tools

JWT Generator Build signed JSON Web Tokens JWT Decoder Inspect and validate JWT payloads JWT Validator Verify JWT signatures and claims Bcrypt Generator Hash and verify passwords MD5 Checker Create and validate MD5 hashes RSA Encrypt/Decrypt Encrypt, decrypt, and generate RSA keys AES Encrypt/Decrypt AES CBC/ECB encryption and decryption Rijndael Cipher Original AES algorithm with variable block sizes Image Encrypt/Decrypt Encrypt and decrypt images with AES Image Steganography Hide secret messages inside images Crypto Safety Validator Check encryption & hash security ChaCha20 Cipher 256-bit key, 96-bit nonce stream cipher PGP Encrypt/Decrypt Generate PGP keys and exchange messages Triple DES Encrypt and decrypt with 3DES (CBC/ECB) HMAC Generator Compute HMAC with SHA-256 or SHA-512 Jasypt Passwords Encrypt, decrypt, and verify Jasypt strings Text Encrypt/Decrypt Encrypt and decrypt text with AES-256 File Encrypt/Decrypt Encrypt and decrypt files with AES-256-GCM Password Strength Analyze password strength and generate secure passwords Scrypt Hash Generator Memory-hard password hashing with security analysis EXIF Metadata Viewer View and remove image metadata for privacy protection Poly1305 Key Generator Generate 32-byte authentication keys for ChaCha20-Poly1305 CSR Generator Generate Certificate Signing Requests with RSA key pairs Shamir Secret Sharing Split secrets into shares with threshold recovery Poly1305 MAC Generator Generate and verify message authentication codes Self-Signed Certificate Generate X.509 certificates with private keys ECC Key Generator & ECDSA Generate ECC keys, sign and verify with ECDSA Secure Password Vault Zero-knowledge password manager with AES-256-GCM Argon2 Hash Generator Generate and verify Argon2id password hashes SAML Decoder Decode and parse SAML requests and responses Random Address Generator Generate realistic test addresses for 17+ countries

Hex Encoder/Decoder Convert text to and from hexadecimal HTML Encoder Escape markup safely HTML Decoder Unescape HTML entities GZIP Compressor Compress text using GZIP algorithm GZIP Decompressor Decompress GZIP encoded data Text to Deflate Compress text using Deflate algorithm Deflate to Text Decompress Deflate data to plaintext Java Escape Escape text for Java string literals Java Unescape Convert escaped Java text to plain text SHA384 Hash Generate SHA-384 hash from text SHA384 File Hash Generate SHA-384 hash from file SHA512 Hash Generate SHA-512 hash from text SHA512 File Hash Generate SHA-512 hash from file SHA512/224 Hash Generate SHA-512/224 hash from text SHA512/224 File Hash Generate SHA-512/224 hash from file SHA512/256 Hash Generate SHA-512/256 hash from text SHA512/256 File Hash Generate SHA-512/256 hash from file SHA1 Hash Generate SHA-1 hash from text SHA1 File Hash Generate SHA-1 hash from file SHA224 Hash Generate SHA-224 hash from text SHA224 File Hash Generate SHA-224 hash from file SHA256 Hash Generate SHA-256 hash from text SHA256 File Hash Generate SHA-256 hash from file Double SHA256 Hash SHA256(SHA256(x)) - Bitcoin hash SHA3-224 Hash Generate SHA3-224 Keccak hash SHA3-224 File Hash Generate SHA3-224 hash from file SHA3-256 Hash Generate SHA3-256 Keccak hash SHA3-256 File Hash Generate SHA3-256 hash from file SHA3-384 Hash Generate SHA3-384 Keccak hash SHA3-384 File Hash Generate SHA3-384 hash from file SHA3-512 Hash Generate SHA3-512 Keccak hash SHA3-512 File Hash Generate SHA3-512 hash from file Keccak-224 Hash Original Keccak-224 hash algorithm Keccak-224 File Hash Generate Keccak-224 hash from file Keccak-256 Hash Original Keccak-256 (Ethereum hash) Keccak-256 File Hash Generate Keccak-256 hash from file Keccak-384 Hash Original Keccak-384 hash algorithm Keccak-384 File Hash Generate Keccak-384 hash from file Keccak-512 Hash Original Keccak-512 hash algorithm Keccak-512 File Hash Generate Keccak-512 hash from file RIPEMD-128 Hash Generate RIPEMD-128 hash from text RIPEMD-128 File Hash Generate RIPEMD-128 hash from file RIPEMD-160 Hash Generate RIPEMD-160 hash from text RIPEMD-160 File Hash Generate RIPEMD-160 hash from file RIPEMD-256 Hash Generate RIPEMD-256 hash from text RIPEMD-256 File Hash Generate RIPEMD-256 hash from file RIPEMD-320 Hash Generate RIPEMD-320 hash from text RIPEMD-320 File Hash Generate RIPEMD-320 hash from file Grok Pattern Builder Author and debug Logstash grok rules JSONPath Evaluator Test JSONPath expressions and normalized paths XML <-> JSON Two-way XML and JSON conversion JSON to GeoJSON Convert JSON to GeoJSON geographic format JSON to GraphQL Generate GraphQL schema from JSON data Java Decompiler Decompile .class and .jar files to Java APK Decompiler Decompile Android APK and .class files JSON -> Java POJO Generate getters/setters from JSON Text Size (Bytes) Measure string length with/without spaces JSON Size (Bytes) Check JSON payload footprint XML Size (Bytes) Measure XML size quickly UTF-8 Encoder/Decoder Round-trip text and UTF-8 bytes JSON -> NDJSON Convert collections to newline-delimited JSON Cron Generator Craft and copy cron expressions JSON -> YAML Convert JSON documents to YAML YAML -> JSON Transform YAML into JSON YAML -> POJO Generate Java models from YAML Regex Generator Compose regex patterns visually Regex Tester Debug expressions against sample text XML -> POJO Convert XML into Java classes Bash -> Batch Translate shell scripts to Windows .bat JSON -> TypeScript Generate TS interfaces from JSON

Properties -> YAML Turn application.properties into YAML Kubernetes YAML -> Terraform Convert manifests to Terraform HCL SQL -> MongoDB Translate SQL into Mongo queries JSON -> Kotlin Create Kotlin data classes

JavaScript -> Python Translate JS snippets to Python Python -> JavaScript Convert Python into JS Python -> C++ Move Python logic to C++ Java -> Python Convert Java classes to Python C -> C# Translate C into C# JavaScript -> TypeScript Add static types to JS Java -> JavaScript Generate JS from Java code Java -> Go Convert Java to Golang Python -> Go Translate Python into Go Go -> Python Convert Go code to Python Kotlin -> Java Move Kotlin classes to Java Kotlin -> Python Convert Kotlin into Python Python -> Kotlin Generate Kotlin from Python Java -> Kotlin Translate Java to Kotlin Java -> C# Convert Java codebases to C# Java -> C++ Port Java classes to C++ C -> Python Convert C snippets to Python C -> C++ Upgrade C code to modern C++ Python -> R Jump from Python to R JavaScript -> jQuery Rewrite JS using jQuery helpers Scala -> Java Convert Scala codebases Java -> Scala Port Java logic to Scala C# -> Java Translate C# projects PHP -> Python Convert PHP scripts to Python C# -> Python Transform C# into Python C++ -> Java Convert C++ classes to Java Python -> Java Translate Python into Java Python -> C# Move Python code to C#

IP Checker Resolve domains to IP addresses Character/Line Finder Locate positions within text UUID v1 Generator Time-based UUIDs UUID v3 Generator Namespace + MD5 UUIDs UUID v4 Generator Random UUIDs UUID v5 Generator Namespace + SHA-1 UUIDs UUID Validator Check UUID structure and version UUID Version Checker Identify UUID variant and version

SQL Syntax Checker Validate SQL statements fast Python Code Tester Execute Python snippets safely React Formatter Prettify React JSX Kotlin Formatter Clean up Kotlin code Rust Formatter Format Rust source Perl Formatter Tidy Perl scripts Golang Formatter Format Go code SQL Query Optimizer Spot improvements in SQL queries

cURL -> Java Turn cURL commands into Java code cURL -> Python Generate Python requests cURL -> Spring Boot Produce Spring Boot REST code cURL -> ASP.NET Convert requests to ASP.NET cURL -> Angular Create Angular HTTP code cURL -> React Build React fetch/axios calls JSON -> Protobuf Map JSON requests to gRPC protos Protobuf -> JSON Flatten proto messages to JSON

Mail Blacklist Checker Test mail servers against 150+ DNSBL/RBL lists

PPK -> PEM Convert PuTTY keys to PEM PEM -> PPK Create PuTTY-ready keys PEM -> OpenSSH Rewrap PEM keys to OpenSSH PEM -> DER Binary DER output from PEM PKCS#1 -> PKCS#8 Modernize RSA private keys PKCS#8 -> PKCS#1 Generate legacy key material JKS -> PEM Export PEM keys and certs from JKS PEM -> JKS Build Java keystores from PEM assets PFX/P12 -> PEM Extract keys and chains from PKCS#12 PEM -> CRT Convert PEM certificates to CRT format CRT -> PEM Convert CRT certificates to PEM format JKS -> PFX Convert Java Keystore to PKCS#12 PFX -> JKS Convert PKCS#12 to Java Keystore PEM -> JWK Convert PEM keys to JSON Web Key format JWK -> PEM Convert JSON Web Keys to PEM format PKCS#8 -> JWK Convert PKCS#8 private keys to JWK JWK -> PKCS#8 Convert JSON Web Keys to PKCS#8