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 JWT Brute Force Tester Test weak HMAC secrets against JWT 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 Multi-Hash Generator Generate MD5, SHA1, SHA256, SHA512 hashes at once Secure Text Encryption AES-256-GCM encryption with key derivation EXIF Metadata Viewer View and remove image metadata for privacy protection File Analysis Tool Identify file types, calculate entropy, and extract hex Image Histogram Analyzer Visualize RGB/luminance distribution in images Sprite Sheet to GIF Converter Turn sprite sheets into animated GIFs in your browser Video to ASCII Art Converter Turn videos or your webcam into animated ASCII pixel art ETC1 Texture Analyzer Decode and preview ETC1/PKM texture files Panorama Stitch & Crop Merge and crop panoramic photos in browser 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 CRC32 / Adler32 Checksum Compute CRC32, CRC32C, and Adler32 checksums BLAKE2 / BLAKE3 Hash Generate BLAKE2b, BLAKE2s, and BLAKE3 hashes 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 Bytecode Analyzer Analyze JVM bytecode, detect obfuscation & security issues APK Decompiler Decompile Android APK and .class files AAB Decompiler Decompile Android App Bundle files AAB to APK Converter Convert Android App Bundle to APK APK Modifier Decompile, edit smali/resources, rebuild APK AAB Modifier Extract, edit, and rebuild Android App Bundles AndroidManifest Viewer Decode APK/AAB AndroidManifest.xml APK Permission Analyzer Analyze APK/AAB permissions & risk APK Signature Checker Verify APK signing schemes v1/v2/v3 APK Size Analyzer Break down APK/AAB size by category Play Store Listing Character Counter Count title & description characters App Store Screenshot Size Calculator iOS & Google Play screenshot sizes iOS Info.plist Decoder Parse and decode iOS Info.plist files iOS Permission Analyzer Audit iOS app permissions with risk assessment Provisioning Profile Decoder Parse .mobileprovision files JAR Vulnerability Scanner Scan JAR files for CVEs APK Vulnerability Scanner Scan Android APKs for CVEs POM Vulnerability Scanner Scan Maven pom.xml for CVEs NPM Vulnerability Scanner Scan package.json for CVEs Python Vulnerability Scanner Scan requirements.txt for CVEs Docker Vulnerability Scanner Scan Dockerfile for security issues WAR/EAR Vulnerability Scanner Scan Java archives for CVEs Gradle Vulnerability Scanner Scan build.gradle for CVEs Secret Detector Find API keys and secrets in code SQL Injection Detector Find SQLi vulnerabilities in code XSS Detector Find cross-site scripting issues SBOM Generator Generate Software Bill of Materials JAR Dependency Tree Visualize nested JAR dependencies JAR Diff Tool Compare two JAR versions JAR Modifier Edit manifest & resources, rebuild JAR License Scanner Detect open-source licenses APK Certificate Analyzer Extract and verify APK signing certificates APK Diff Tool Compare two APK versions for changes Keystore Explorer Online Inspect JKS, PKCS12, BKS keystore files ELF Binary Analyzer Parse ELF headers, sections, and symbols Android Backup Converter Convert between .ab and .tar formats Zipalign Checker Verify and fix APK alignment Protobuf Compiler Compile .proto files and decode binary data Partition Image Analyzer Parse Android sparse and raw images 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 Kubernetes YAML -> Helm Chart Convert K8s manifests to Helm charts Docker Compose -> Kubernetes Convert Compose to K8s manifests 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 CRT -> DER Convert PEM .crt to binary DER DER -> CRT Convert binary DER to PEM .crt CRT -> CER Convert .crt certificate to .cer CER -> CRT Convert .cer certificate to .crt CRT -> Base64 Encode certificate to Base64 Base64 -> CRT Decode Base64 to .crt certificate CER -> DER Convert PEM .cer to binary DER DER -> CER Convert binary DER to PEM .cer DER -> BASE64 Encode binary DER certificate to Base64 DER -> PFX Bundle DER certificate and key into .pfx DER -> P12 Bundle DER certificate and key into .p12 DER -> CSR Generate CSR from DER certificate and key CER -> PEM Convert .cer certificate to .pem CER -> BASE64 Encode .cer certificate to Base64 CER -> PFX Bundle .cer and key into .pfx CER -> P12 Bundle .cer and key into .p12 CER -> CSR Regenerate signing request from cert PEM -> CER Convert .pem certificate to .cer PEM -> BASE64 Encode .pem certificate to Base64 PEM -> P12 Bundle .pem and key into .p12 PEM -> CSR Regenerate signing request from cert 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 DER to PEM Convert binary DER to PEM format OpenSSH to PEM Convert OpenSSH keys to PEM format PEM to P7B Bundle PEM certs into PKCS#7 P7B to PEM Extract certs from P7B bundles PEM to PFX Create PKCS#12 from PEM key and cert CRT to PFX Bundle .crt and key into .pfx CRT to P12 Bundle .crt and key into .p12 PFX to CRT Extract certificate from .pfx PFX to BASE64 Encode .pfx archive to Base64 PFX to CER Extract .cer certificate from .pfx PFX to DER Extract binary DER certificate from .pfx PFX to P12 Repackage .pfx into .p12 archive PFX to CSR Generate signing request from .pfx P12 to CRT Extract certificate from .p12 P12 to PEM Extract certificate and key as .pem P12 to Base64 Encode .p12 archive to Base64 P12 to CER Extract certificate as .cer P12 to DER Extract certificate as binary .der P12 to PFX Repackage .p12 into .pfx archive P12 to CSR Generate signing request from .p12 CRT to CSR Regenerate signing request from cert CSR to CRT Sign CSR into self-signed cert CSR to PEM Re-encode signing request as .pem CSR to Base64 Encode signing request to Base64 CSR to CER Self-sign CSR into .cer certificate CSR to DER Re-encode signing request as binary .der CSR to P12 Self-sign CSR into .p12 archive CSR to PFX Self-sign CSR into .pfx archive PEM Password Manager Add or remove passphrase from keys SSH Fingerprint Generate MD5/SHA256 key fingerprints Ed25519 Key Generator Generate Ed25519 SSH key pairs Certificate Decoder View cert details and extensions CSR Decoder View CSR details before submission Chain Validator Verify certificate chain is complete PEM Bundle Splitter Split multi-cert PEM into files SSL Checker Check website SSL certificate SPKI Hash Generator Generate hash for cert pinning PEM to K8s Secret Format certs for Kubernetes secrets