# Java Decompiler Online alternatives and competitors (2026) The closest Java Decompiler Online alternatives are [ReversingLabs Spectra Analyze](https://cybersectools.com/tools/reversinglabs-spectra-analyze), [Nightwing DejaVM](https://cybersectools.com/tools/nightwing-dejavm) and [Joe Sandbox DEC](https://cybersectools.com/tools/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 alternatives. Closest matches: ReversingLabs Spectra Analyze, Nightwing DejaVM, Joe Sandbox DEC. ## The product [Java Decompiler Online](https://cybersectools.com/tools/java-decompiler-online) Online Java decompiler tool with support for modern Java features. Category: [Security Operations](https://cybersectools.com/categories/security-operations) · Pricing model: Free ## Java Decompiler Online alternatives and competitors Java Decompiler Online is a free [Malware Analysis](https://cybersectools.com/categories/malware-analysis) solution. The closest matches by shared tags and NIST CSF 2.0 coverage are [ReversingLabs Spectra Analyze](https://cybersectools.com/tools/reversinglabs-spectra-analyze), [Nightwing DejaVM](https://cybersectools.com/tools/nightwing-dejavm), [Joe Sandbox DEC](https://cybersectools.com/tools/joe-sandbox-dec), [Joe Security Joe Reverser](https://cybersectools.com/tools/joe-security-joe-reverser), and [Zenyard RE Agent](https://cybersectools.com/tools/zenyard-re-agent). All 47 alternatives on this page are ranked the same way. Want a free option? See [free and open source security operations solutions](https://cybersectools.com/free), plus free picks in other categories. ## The closest Java Decompiler Online alternatives These 8 solutions overlap most with Java Decompiler Online. Each one says what the product does and, when the overlap is big enough, which capabilities it shares. ### 1. [ReversingLabs Spectra Analyze](https://cybersectools.com/tools/reversinglabs-spectra-analyze) Malware analysis platform for SOC teams with binary analysis and threat detection [Malware Analysis](https://cybersectools.com/categories/malware-analysis) · Commercial Key features: 10 listed. See them on the [ReversingLabs Spectra Analyze page](https://cybersectools.com/tools/reversinglabs-spectra-analyze#features). [ReversingLabs Spectra Analyze alternatives](https://cybersectools.com/alternatives/reversinglabs-spectra-analyze) · [Java Decompiler Online vs ReversingLabs Spectra Analyze](https://cybersectools.com/compare/java-decompiler-online-vs-reversinglabs-spectra-analyze) ### 2. [Nightwing DejaVM](https://cybersectools.com/tools/nightwing-dejavm) Whole-system emulation environment for software dev, debugging, testing & security [Malware Analysis](https://cybersectools.com/categories/malware-analysis) · Commercial Key features: 8 listed. See them on the [Nightwing DejaVM page](https://cybersectools.com/tools/nightwing-dejavm#features). [Nightwing DejaVM alternatives](https://cybersectools.com/alternatives/nightwing-dejavm) · [Java Decompiler Online vs Nightwing DejaVM](https://cybersectools.com/compare/java-decompiler-online-vs-nightwing-dejavm) ### 3. [Joe Sandbox DEC](https://cybersectools.com/tools/joe-sandbox-dec) Plugin that decompiles malware PE files into readable C code using hybrid analysis. [Malware Analysis](https://cybersectools.com/categories/malware-analysis) · Commercial Key features: 8 listed. See them on the [Joe Sandbox DEC page](https://cybersectools.com/tools/joe-sandbox-dec#features). [Joe Sandbox DEC alternatives](https://cybersectools.com/alternatives/joe-sandbox-dec) · [Java Decompiler Online vs Joe Sandbox DEC](https://cybersectools.com/compare/java-decompiler-online-vs-joe-sandbox-dec) ### 4. [Joe Security Joe Reverser](https://cybersectools.com/tools/joe-security-joe-reverser) Agentic AI tool for automated malware reverse engineering & phishing analysis. [Malware Analysis](https://cybersectools.com/categories/malware-analysis) · Commercial Key features: 10 listed. See them on the [Joe Security Joe Reverser page](https://cybersectools.com/tools/joe-security-joe-reverser#features). [Joe Security Joe Reverser alternatives](https://cybersectools.com/alternatives/joe-security-joe-reverser) · [Java Decompiler Online vs Joe Security Joe Reverser](https://cybersectools.com/compare/java-decompiler-online-vs-joe-security-joe-reverser) ### 5. [Zenyard RE Agent](https://cybersectools.com/tools/zenyard-re-agent) AI agent for in-depth binary analysis and reverse engineering assistance. [Malware Analysis](https://cybersectools.com/categories/malware-analysis) · Commercial Key features: 8 listed. See them on the [Zenyard RE Agent page](https://cybersectools.com/tools/zenyard-re-agent#features). [Zenyard RE Agent alternatives](https://cybersectools.com/alternatives/zenyard-re-agent) · [Java Decompiler Online vs Zenyard RE Agent](https://cybersectools.com/compare/java-decompiler-online-vs-zenyard-re-agent) ### 6. [RevEng.AI](https://cybersectools.com/tools/revengai) AI-powered binary analysis platform for reverse engineering & malware analysis. [Malware Analysis](https://cybersectools.com/categories/malware-analysis) · Commercial Key features: 9 listed. See them on the [RevEng.AI page](https://cybersectools.com/tools/revengai#features). [RevEng.AI alternatives](https://cybersectools.com/alternatives/revengai) · [Java Decompiler Online vs RevEng.AI](https://cybersectools.com/compare/java-decompiler-online-vs-revengai) ### 7. [CodeHunter Labs](https://cybersectools.com/tools/codehunter-labs) Research division powering CodeHunter's pre-execution malware detection engine. [Malware Analysis](https://cybersectools.com/categories/malware-analysis) · Commercial Key features: 7 listed. See them on the [CodeHunter Labs page](https://cybersectools.com/tools/codehunter-labs#features). [CodeHunter Labs alternatives](https://cybersectools.com/alternatives/codehunter-labs) · [Java Decompiler Online vs CodeHunter Labs](https://cybersectools.com/compare/codehunter-labs-vs-java-decompiler-online) ### 8. [Reverse Engineering & Malware Analysis](https://cybersectools.com/tools/reverse-engineering-and-malware-analysis) Malware analysis & reverse engineering service producing IOCs, YARA/Sigma rules. [Malware Analysis](https://cybersectools.com/categories/malware-analysis) · Commercial Key features: 10 listed. See them on the [Reverse Engineering & Malware Analysis page](https://cybersectools.com/tools/reverse-engineering-and-malware-analysis#features). [Reverse Engineering & Malware Analysis alternatives](https://cybersectools.com/alternatives/reverse-engineering-and-malware-analysis) · [Java Decompiler Online vs Reverse Engineering & Malware Analysis](https://cybersectools.com/compare/java-decompiler-online-vs-reverse-engineering-and-malware-analysis) ## All 47 products like Java Decompiler Online The 8 above, plus: - [ANY.RUN](https://cybersectools.com/tools/anyrun): Interactive malware sandbox with TI lookup and IOC feeds for SOC teams. (Commercial) - [Deep Instinct DSX Companion](https://cybersectools.com/tools/deep-instinct-dsx-companion): GenAI-powered malware analysis tool for unknown & zero-day threats (Commercial) - [INLYSE Malware.AI](https://cybersectools.com/tools/inlyse-malwareai): Visual AI-based malware detection converting files to images for analysis (Commercial) - [Seqrite Malware Analysis Platform](https://cybersectools.com/tools/seqrite-malware-analysis-platform): Malware analysis platform for detecting and analyzing threats via sandbox (Commercial) - [OPSWAT MetaDefender Sandbox](https://cybersectools.com/tools/opswat-metadefender-sandbox): AI-driven malware sandbox for detecting evasive threats and zero-day attacks (Commercial) - [Nucleon Malprob](https://cybersectools.com/tools/nucleon-malprob): AI-powered malware detection service with web interface and API access (Commercial) - [PolySwarm Malware Intelligence](https://cybersectools.com/tools/polyswarm-malware-intelligence): Malware intelligence marketplace aggregating multiple detection engines (Commercial) - [Cyber Triage Malware Forensics Tool](https://cybersectools.com/tools/cyber-triage-malware-forensics-tool): Malware scanning tool for DFIR using 40+ engines from ReversingLabs (Commercial) - [OPSWAT MetaDefender Core](https://cybersectools.com/tools/opswat-metadefender-core): Multi-engine malware detection & file sanitization platform with Deep CDR (Commercial) - [OPSWAT MetaDefender Distributed Cluster](https://cybersectools.com/tools/opswat-metadefender-distributed-cluster): Distributed file scanning platform with centralized orchestration & control (Commercial) - [Splunk Attack Analyzer](https://cybersectools.com/tools/splunk-attack-analyzer): Automated threat analysis platform for phishing and malware investigation (Commercial) - [ReversingLabs Spectra Detect](https://cybersectools.com/tools/reversinglabs-spectra-detect): Enterprise file analysis platform for high-volume malware detection (Commercial) - [VMRay Threat Analysis and Detection Platform](https://cybersectools.com/tools/vmray-threat-analysis-and-detection-platform): Malware sandboxing platform for threat analysis and detection in SOCs (Commercial) - [Varist Predictive Detection Engine](https://cybersectools.com/tools/varist-predictive-detection-engine): Real-time malware detection engine with sandboxing and zero-day detection (Commercial) - [Antiy Labs PTA](https://cybersectools.com/tools/antiy-labs-pta): APT-focused file threat analysis system using dynamic & static detection. (Commercial) - [Antiy PTA-mobile](https://cybersectools.com/tools/antiy-pta-mobile): Android app dynamic behavior analysis system using sandbox technology. (Commercial) - [GLIMPS Malware](https://cybersectools.com/tools/glimps-malware): Multi-engine file malware detection platform for securing business apps. (Commercial) - [GLIMPS Fortress](https://cybersectools.com/tools/glimps-fortress): On-premise AI file repository with continuous malware analysis and retrohunting. (Commercial) - [GLIMPS Malware Expert](https://cybersectools.com/tools/glimps-malware-expert): Deep learning-based malware analysis & threat contextualization platform. (Commercial) - [GLIMPS Malware Detect](https://cybersectools.com/tools/glimps-malware-detect): Multi-engine AI file analysis platform for malware detection via SaaS or on-prem. (Commercial) - [Joe Security Joe Lab](https://cybersectools.com/tools/joe-security-joe-lab): Cloud-based bare-metal malware analysis lab for SOC, CERT & CIRT teams. (Commercial) - [Joe Sandbox Hypervisor](https://cybersectools.com/tools/joe-sandbox-hypervisor): Custom hypervisor for stealth malware analysis on VMs and bare metal. (Commercial) - [Joe Sandbox Cloud](https://cybersectools.com/tools/joe-sandbox-cloud): Cloud-based automated malware analysis for Windows, macOS & Linux. (Commercial) - [Joe Sandbox Detect](https://cybersectools.com/tools/joe-sandbox-detect): Endpoint utility for EDR/XDR alert validation and user phishing reporting. (Commercial) - [Joe Security Products](https://cybersectools.com/tools/joe-security-products): Suite of cloud & on-prem malware/phishing analysis tools for multiple OSes. (Commercial) - [Joe Sandbox ML](https://cybersectools.com/tools/joe-sandbox-ml): ML plugin for Joe Sandbox Cloud detecting malicious files via deep learning. (Commercial) - [Joe Security Joe Sandbox](https://cybersectools.com/tools/joe-security-joe-sandbox): Deep malware & phishing analysis via static, dynamic, and hybrid methods. (Commercial) - [Malwation Threat.Zone](https://cybersectools.com/tools/malwation-threatzone): Multi-OS malware analysis platform with sandbox, static analysis & URL scanning. (Commercial) - [Stairwell Analyze](https://cybersectools.com/tools/stairwell-analyze): Continuous, private malware analysis and threat intel platform for enterprises. (Commercial) - [Stairwell Intelligent Analysis](https://cybersectools.com/tools/stairwell-intelligent-analysis): AI-powered file analysis platform delivering malware verdicts in natural language. (Commercial) - [Stairwell Variant Discovery](https://cybersectools.com/tools/stairwell-variant-discovery): Expands a single malware hash into full family visibility via structural analysis. (Commercial) - [Threatray](https://cybersectools.com/tools/threatray): AI-driven binary code analysis platform for malware detection & intelligence. (Commercial) - [Unknown Cyber Magic™](https://cybersectools.com/tools/unknown-cyber-magictm): AI-powered malware analysis & threat research platform with chat interface. (Commercial) - [WetStone Labs](https://cybersectools.com/tools/wetstone-labs): Cybersecurity & digital forensics software for malware detection and DFIR. (Commercial) - [buSandBox](https://cybersectools.com/tools/busandbox): Proprietary sandbox for enterprise malware & payload behavioral analysis. (Commercial) - [DTRSEC REnigma](https://cybersectools.com/tools/dtrsec-renigma): Sandbox platform for interactive malware detonation, record/replay, and forensic analysis (Commercial) - [FIOR LARA Sandbox](https://cybersectools.com/tools/fior-lara-sandbox): Sandbox product by FIOR; insufficient page data to detail functionality. (Commercial) - [SquareX Malware Sandbox](https://cybersectools.com/tools/squarex-malware-sandbox): Isolated browser-based sandbox for analyzing suspicious files and malware samples (Commercial) - [VinCSS Malware Analysis](https://cybersectools.com/tools/vincss-malware-analysis) (Commercial) ## Alternatives to each of these [ReversingLabs Spectra Analyze alternatives](https://cybersectools.com/alternatives/reversinglabs-spectra-analyze) · [Nightwing DejaVM alternatives](https://cybersectools.com/alternatives/nightwing-dejavm) · [Joe Sandbox DEC alternatives](https://cybersectools.com/alternatives/joe-sandbox-dec) · [Joe Security Joe Reverser alternatives](https://cybersectools.com/alternatives/joe-security-joe-reverser) · [Zenyard RE Agent alternatives](https://cybersectools.com/alternatives/zenyard-re-agent) · [RevEng.AI alternatives](https://cybersectools.com/alternatives/revengai) · [CodeHunter Labs alternatives](https://cybersectools.com/alternatives/codehunter-labs) · [Reverse Engineering & Malware Analysis alternatives](https://cybersectools.com/alternatives/reverse-engineering-and-malware-analysis) · [ANY.RUN alternatives](https://cybersectools.com/alternatives/anyrun) · [Deep Instinct DSX Companion alternatives](https://cybersectools.com/alternatives/deep-instinct-dsx-companion) · [INLYSE Malware.AI alternatives](https://cybersectools.com/alternatives/inlyse-malwareai) · [Seqrite Malware Analysis Platform alternatives](https://cybersectools.com/alternatives/seqrite-malware-analysis-platform) ## Compare Java Decompiler Online with - [Java Decompiler Online vs ReversingLabs Spectra Analyze](https://cybersectools.com/compare/java-decompiler-online-vs-reversinglabs-spectra-analyze) - [Java Decompiler Online vs Nightwing DejaVM](https://cybersectools.com/compare/java-decompiler-online-vs-nightwing-dejavm) - [Java Decompiler Online vs Joe Sandbox DEC](https://cybersectools.com/compare/java-decompiler-online-vs-joe-sandbox-dec) - [Java Decompiler Online vs Joe Security Joe Reverser](https://cybersectools.com/compare/java-decompiler-online-vs-joe-security-joe-reverser) - [Java Decompiler Online vs Zenyard RE Agent](https://cybersectools.com/compare/java-decompiler-online-vs-zenyard-re-agent) - [Java Decompiler Online vs RevEng.AI](https://cybersectools.com/compare/java-decompiler-online-vs-revengai) - [Java Decompiler Online vs CodeHunter Labs](https://cybersectools.com/compare/codehunter-labs-vs-java-decompiler-online) - [Java Decompiler Online vs Reverse Engineering & Malware Analysis](https://cybersectools.com/compare/java-decompiler-online-vs-reverse-engineering-and-malware-analysis) ## Java Decompiler Online Alternatives FAQ ### What are the closest 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. ### How many alternatives to Java Decompiler Online are available? 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. ### Is Java Decompiler Online free or commercial? 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. ### What type of solution is Java Decompiler Online? 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. --- Source: https://cybersectools.com/alternatives/java-decompiler-online For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL). More on Java Decompiler Online and its alternatives: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=alternatives-md