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SPECIFICTION
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Obfuscator.io

obfuscator.io

From $19/mo Free plan WebAPI
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Spec score 7.9 #17 of 34 in Code Obfuscation Software

Spec sheet

Purpose
Obfuscator.io transforms JavaScript into harder-to-read code, including custom bytecode that runs in an embedded JavaScript virtual machine.Read 29 Sep 2026 · obfuscator.io
Integrations
The service offers REST API and npm package access, and its API can be called from GitHub Actions, GitLab CI, Jenkins, or any runner with Node.Read 29 Sep 2026 · obfuscator.io
Support
The site lists [email protected] as its support contact and includes priority support with Business.Read 29 Sep 2026 · obfuscator.io
Code targeting
Users can select individual functions for VM obfuscation by marking them with a comment and configuring the target functions mode.Read 29 Sep 2026 · obfuscator.io
Compatibility
The output is actively supported and tested on evergreen desktop browsers and iOS 16 or later; older browser support is best effort down to ES2015 module support, with Internet Explorer out of scope.Read 29 Sep 2026 · obfuscator.io
Limitations
VM obfuscation may not work correctly with all input code or runtime environments, and the terms require users to test obfuscated code before production use.Read 29 Sep 2026 · obfuscator.io
Security limit
The maker cautions that frontend secrets can be extracted and says obfuscation is not encryption or a guarantee against reverse engineering.Read 29 Sep 2026 · obfuscator.io
Source handling
The site says it does not keep source code; VM and HTML obfuscation send source to its servers for processing and discard it, while uploads larger than 4.4 MB on Team and Business use temporary storage deleted after processing.Read 29 Sep 2026 · obfuscator.io
Standard obfuscation
Standard obfuscation runs in the browser, is always free with no limits, and the playground says submitted code never leaves the device.Read 29 Sep 2026 · obfuscator.io
Supported inputs
The documentation says to compile TypeScript and JSX and bundle applications before obfuscation, and the site supports HTML files through its HTML parsing option.Read 29 Sep 2026 · obfuscator.io
Team workflow
Teams can share presets and service tokens and enforce obfuscator versions and presets across members and builds.Read 29 Sep 2026 · obfuscator.io
Usage metadata
For abuse handling and usage analysis, the service says it retains a SHA-256 hash of each obfuscated output and selected settings for three months, but not the code or its content.Read 29 Sep 2026 · obfuscator.io
Usage restriction
The terms prohibit using the API to operate an obfuscation SaaS or online tool for third parties, or reselling or white-labeling the service.Read 29 Sep 2026 · obfuscator.io
VM defenses
VM obfuscation offers self defending and debug protection features, including integrity checks, hook detection, breakpoint neutralization, and environment fingerprinting.Read 29 Sep 2026 · obfuscator.io

Plans and prices

Free Free 25 MB lifetime VM quota · 4 MB VM file size limit · unlimited standard obfuscation Read 29 Sep 2026 · obfuscator.io
Pro $19 a month billed monthly 100 MB/month VM quota · 30 MB/day · API access (REST + npm package) · up to 10 files per batch · HTML files with inline JS Read 29 Sep 2026 · obfuscator.io
Team $59 a month billed monthly 500 MB/month shared VM quota · 150 MB/day per member · up to 5 members · 7 MB VM file size limit · flexible version pinning Read 29 Sep 2026 · obfuscator.io
Business $149 a month billed monthly 2.5 GB/month shared VM quota · 600 MB/day per member · up to 15 members · 10 MB VM file size limit · priority support Read 29 Sep 2026 · obfuscator.io

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