The closest Java Decompiler Online alternatives are ReversingLabs Spectra Analyze, Nightwing DejaVM and Joe Sandbox DEC. Picking a Java Decompiler Online alternative comes down to fit: Malware Analysis coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.
47 alternativesClosest matches: ReversingLabs Spectra Analyze, Nightwing DejaVM, Joe Sandbox DECPage updated Nov 2026
The product
Online Java decompiler tool with support for modern Java features.
Java Decompiler Online is a free Malware Analysis solution. The closest matches by shared tags and NIST CSF 2.0 coverage are ReversingLabs Spectra Analyze, Nightwing DejaVM, Joe Sandbox DEC, Joe Security Joe Reverser, and Zenyard RE Agent. All 47 alternatives on this page are ranked the same way.
These 8 solutions overlap most with Java Decompiler Online. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Malware analysis platform for SOC teams with binary analysis and threat detection
Key features: 10 listed. See them on the ReversingLabs Spectra Analyze page.
View ReversingLabs Spectra AnalyzeReversingLabs Spectra Analyze alternativesJava Decompiler Online vs ReversingLabs Spectra Analyze
Whole-system emulation environment for software dev, debugging, testing & security
Key features: 8 listed. See them on the Nightwing DejaVM page.
View Nightwing DejaVMNightwing DejaVM alternativesJava Decompiler Online vs Nightwing DejaVM
Plugin that decompiles malware PE files into readable C code using hybrid analysis.
Key features: 8 listed. See them on the Joe Sandbox DEC page.
View Joe Sandbox DECJoe Sandbox DEC alternativesJava Decompiler Online vs Joe Sandbox DEC
Agentic AI tool for automated malware reverse engineering & phishing analysis.
Key features: 10 listed. See them on the Joe Security Joe Reverser page.
View Joe Security Joe ReverserJoe Security Joe Reverser alternativesJava Decompiler Online vs Joe Security Joe Reverser
AI agent for in-depth binary analysis and reverse engineering assistance.
Key features: 8 listed. See them on the Zenyard RE Agent page.
View Zenyard RE AgentZenyard RE Agent alternativesJava Decompiler Online vs Zenyard RE Agent
AI-powered binary analysis platform for reverse engineering & malware analysis.
Key features: 9 listed. See them on the RevEng.AI page.
View RevEng.AIRevEng.AI alternativesJava Decompiler Online vs RevEng.AI
Research division powering CodeHunter's pre-execution malware detection engine.
Key features: 7 listed. See them on the CodeHunter Labs page.
View CodeHunter LabsCodeHunter Labs alternativesJava Decompiler Online vs CodeHunter Labs
Malware analysis & reverse engineering service producing IOCs, YARA/Sigma rules.
Key features: 10 listed. See them on the Reverse Engineering & Malware Analysis page.
View Reverse Engineering & Malware AnalysisReverse Engineering & Malware Analysis alternativesJava Decompiler Online vs Reverse Engineering & Malware Analysis
Malware analysis platform for SOC teams with binary analysis and threat detection
Whole-system emulation environment for software dev, debugging, testing & security
Plugin that decompiles malware PE files into readable C code using hybrid analysis.
Agentic AI tool for automated malware reverse engineering & phishing analysis.
AI agent for in-depth binary analysis and reverse engineering assistance.
AI-powered binary analysis platform for reverse engineering & malware analysis.
Research division powering CodeHunter's pre-execution malware detection engine.
Malware analysis & reverse engineering service producing IOCs, YARA/Sigma rules.
GenAI-powered malware analysis tool for unknown & zero-day threats
Visual AI-based malware detection converting files to images for analysis
Malware analysis platform for detecting and analyzing threats via sandbox
AI-driven malware sandbox for detecting evasive threats and zero-day attacks
AI-powered malware detection service with web interface and API access
Malware intelligence marketplace aggregating multiple detection engines
Malware scanning tool for DFIR using 40+ engines from ReversingLabs
Multi-engine malware detection & file sanitization platform with Deep CDR
Distributed file scanning platform with centralized orchestration & control
Automated threat analysis platform for phishing and malware investigation
Enterprise file analysis platform for high-volume malware detection
Malware sandboxing platform for threat analysis and detection in SOCs
Real-time malware detection engine with sandboxing and zero-day detection
APT-focused file threat analysis system using dynamic & static detection.
Android app dynamic behavior analysis system using sandbox technology.
Multi-engine file malware detection platform for securing business apps.
On-premise AI file repository with continuous malware analysis and retrohunting.
Deep learning-based malware analysis & threat contextualization platform.
Multi-engine AI file analysis platform for malware detection via SaaS or on-prem.
Cloud-based bare-metal malware analysis lab for SOC, CERT & CIRT teams.
Custom hypervisor for stealth malware analysis on VMs and bare metal.
Endpoint utility for EDR/XDR alert validation and user phishing reporting.
Suite of cloud & on-prem malware/phishing analysis tools for multiple OSes.
ML plugin for Joe Sandbox Cloud detecting malicious files via deep learning.
Deep malware & phishing analysis via static, dynamic, and hybrid methods.
Multi-OS malware analysis platform with sandbox, static analysis & URL scanning.
Continuous, private malware analysis and threat intel platform for enterprises.
AI-powered file analysis platform delivering malware verdicts in natural language.
Expands a single malware hash into full family visibility via structural analysis.
AI-driven binary code analysis platform for malware detection & intelligence.
AI-powered malware analysis & threat research platform with chat interface.
Cybersecurity & digital forensics software for malware detection and DFIR.
Sandbox platform for interactive malware detonation, record/replay, and forensic analysis
Sandbox product by FIOR; insufficient page data to detail functionality.
Isolated browser-based sandbox for analyzing suspicious files and malware samples
Common questions when weighing alternatives to Java Decompiler Online.
The closest matches to Java Decompiler Online by shared tags and NIST CSF 2.0 coverage are ReversingLabs Spectra Analyze, Nightwing DejaVM, Joe Sandbox DEC, Joe Security Joe Reverser, and Zenyard RE Agent. All of them are Malware Analysis products.
This page shows 47 alternatives to Java Decompiler Online, all in the Malware Analysis category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
Java Decompiler Online is a free Malware Analysis product. You can use it at no cost. Only commercial alternatives are listed here. Free and open source products are under /free.
Java Decompiler Online is a Malware Analysis product in the Security Operations category. You can compare it with the 47 other Malware Analysis products on this page.
No Malware Analysis shortlist yet. This is the closest one.
Updated 2026-11-01
See the shortlist