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Java
Java
Java 8 Interview Questions
Top Java HashMap and ConcurrentHashMap Interview Questions
Top Java Data Structures and Algorithm Interview Questions
Java Miscelleneous Topics
Java 8 Features
Java Basic Topics
Spring
Spring
Spring Boot Interview Questions
Spring Batch Interview Questions
Spring Framework Basic
Spring Boot
Spring Security
Spring Boot 3
Spring Batch
Spring Transaction
Netflix Spring Cloud
Pivotal Cloud Foundry
Spring Boot + RabbitMQ
Spring Boot + Apache Camel
GraphQL + Spring Boot
Angular
Angular
Angular 2 Interview Questions
AngularJS Tutorial
PrimeNG Tutorials
Angular4 Tutorials
Angular 7 Tutorials
Full Stack
Full Stack Tutorials
Apache Camel
Apache Camel
Apache Camel Interview Questions
JBoss Fuse Interview Questions
ESB(Enterprise Service Bus) Interview Questions
StandAlone Apache Camel Examples
Apache Camel using Spring DSL and JBoss Fuse
Apache Camel + Spring Boot
Cloud Frameworks
Netflix Cloud Components
Pivotal Cloud Foundry
Messaging
Messaging
Spring Boot + RabbitMQ
Spring Boot + Apache Kafka
Drools
Drools
Drools Interview Questions
JBoss Drools Hello World
Hello World-Stateful Knowledge Session using KieSession
Understanding Drools Decision Table using Simple Example
Understand Drools Stateful vs Stateless Knowledge Session
Backward Chaining simple example
Understanding attributes salience, update statement and no-loop using Simple Example
Understanding Execution Control in Drools using Simple Example
Integration with Spring
Search Engine
Apache Solr
Elasticsearch
Elasticsearch Interview Questions
Apache Solr vs Elasticsearch
Hazelcast
DevOps
DevOps
Docker Tutorials
Kubernetes Tutorials
Webseries
Crypto Tools
Online Tool To Convert XML To JSON And JSON To XML
Online Tool To Convert XML To JSON And JSON To XML
JSONPath
XML
0.55
1001
Regular
1002
Chocolate
1003
Blueberry
1004
Devil's Food
Cake
0001
donut
5001
None
5002
Glazed
5005
Sugar
5007
Powdered Sugar
5006
Chocolate with Sprinkles
5003
Chocolate
5004
Maple
JSON
XML
JSON
{ "ppu": 0.55, "batters": { "batter": [ { "id": 1001, "type": "Regular" }, { "id": 1002, "type": "Chocolate" }, { "id": 1003, "type": "Blueberry" }, { "id": 1004, "type": "Devil's Food" } ] }, "name": "Cake", "id": "0001", "type": "donut", "topping": [ { "id": 5001, "type": "None" }, { "id": 5002, "type": "Glazed" }, { "id": 5005, "type": "Sugar" }, { "id": 5007, "type": "Powdered Sugar" }, { "id": 5006, "type": "Chocolate with Sprinkles" }, { "id": 5003, "type": "Chocolate" }, { "id": 5004, "type": "Maple" } ] }
Encoding and Data Utilities
Encode, decode, measure sizes, and transform common formats.
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
View Java classes on the fly
APK Decompiler
Decompile Android APK files to Java
AAB Decompiler
Decompile Android App Bundle files
AAB to APK Converter
Convert Android App Bundle to APK
JAR Vulnerability Scanner
Scan JAR files for CVEs
APK Vulnerability Scanner
Scan Android APKs for CVEs
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
Search Tutorials
Other Online Tools
Online JWT Generator
Online JWT Decoder
Online JWT Validator
JWT Brute Force Tester
Online Bcrypt Generator and Validator
Online Text Encryption and Decryption Tool
Online File Encryption and Decryption Tool
Password Strength Analyzer and Generator
SAML Decoder and Parser
Free Random Address Generator
Mail Server Blacklist Checker
Online MD5 Hash Generator
Online Hex Encoder and Decoder Tool
Online HTML Encoder Tool
Online HTML Decoder Tool
Online GZIP Compressor Tool
Online GZIP Decompressor Tool
Online Text to Deflate Compressor Tool
Online Deflate to Text Decompressor Tool
Online SHA512/256 Hash Generator
Online SHA512/256 File Hash Generator
Online Double SHA256 Hash Generator
Online SHA3-224 Hash Generator
Online SHA3-224 File Hash Generator
Online SHA3-256 Hash Generator
Online SHA3-256 File Hash Generator
Online SHA3-384 Hash Generator
Online SHA3-384 File Hash Generator
Online SHA3-512 Hash Generator
Online SHA3-512 File Hash Generator
Online RSA Encryption, Decryption And Key Generator
Online AES Encryption and Decryption Tool
Rijndael Encryption and Decryption Online
Image Encryption and Decryption Online
Hide Secret Message Inside Image - Steganography
Crypto Safety Validator - Check Encryption Security
Scrypt Hash Generator - Secure Password Hashing
Image EXIF Metadata Viewer & Cleaner
Poly1305 Key Generator - 32-byte Authentication Keys
CSR Generator - Certificate Signing Request
Shamir's Secret Sharing - Split & Recover Secrets
Poly1305 MAC Generator & Verifier
Self-Signed Certificate Generator
ECC Key Pair Generator & ECDSA Tool
Secure Password Vault - Zero-Knowledge Manager
Argon2 Password Hash Generator & Verifier
Online ChaCha20 Encryption and Decryption Tool
Online PGP Encryption, Decryption And Key Generator
Online Triple DES Encryption and Decryption Tool
Online HMAC Generator Tool
Jasypt Encrypted Passwords Generator
Online Grok Pattern Generator Tool
Online JSONPath Evaluator Tool
Online XML To JSON And JSON To XML Converter
Java Decompiler Online
APK Decompiler Online
AAB Decompiler Online
AAB to APK Converter Online
JAR Vulnerability Scanner Online
APK Vulnerability Scanner Online
APK X509 Certificate Info
APK Zipalign Checker
ELF/SO Binary Analyzer
Android Backup Analyzer
Protobuf Compiler Online
Android Boot.img Analyzer
File MIME Type Analyzer
Hash Generator Tool
Secure Text Encryption
Image Histogram Generator
ETC1 Texture Analyzer
Panorama Stitch & Crop
Java Bytecode Analyzer
APK Modifier
AAB Modifier
iOS Info.plist Decoder
iOS Permission Analyzer
Provisioning Profile Decoder
POM Vulnerability Scanner Online
NPM Vulnerability Scanner Online
Python Vulnerability Scanner Online
Docker Vulnerability Scanner Online
WAR/EAR Vulnerability Scanner Online
Gradle Vulnerability Scanner Online
Secret Detector Online
SQL Injection Detector Online
XSS Detector Online
SBOM Generator Online
JAR Dependency Tree Viewer Online
JAR Diff Tool Online
License Scanner Online
cURL to Python Client Converter
cURL to Spring Boot Client Converter
cURL to ASP.NET Client Converter
cURL to Angular Client Converter
cURL to React Client Converter
JSON to gRPC Protobuf Converter
gRPC Protobuf to JSON Converter
Online PEM to DER Converter Tool
Online PKCS#1 to PKCS#8 Converter Tool
Online PKCS#8 to PKCS#1 Converter Tool
Online JKS to PEM Converter Tool
Online PEM to JKS Converter Tool
Online PFX/P12 to PEM Converter Tool
Online PEM to CRT Converter Tool
Online CRT to PEM Converter Tool
Online JKS to PFX Converter Tool
Online PFX to JKS Converter Tool
Online DER to PEM Converter Tool
Online OpenSSH to PEM Converter Tool
Online PEM to P7B Converter Tool
Online P7B to PEM Converter Tool
Online PEM to PFX Converter Tool
PEM Key Password Manager
SSH Key Fingerprint Generator
Ed25519 SSH Key Generator
Online Certificate Decoder
Online CSR Decoder
Certificate Chain Validator
PEM Bundle Splitter
SSL Certificate Checker
SPKI Hash Generator
PEM to Base64 K8s Secret