A client-side tool that takes VLESS URLs and optimizes them for CDN fronting by adjusting address, fingerprint, cipher suites, and FinalMask, with no backend or build step.

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Last updated

2026-07-30

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FR-AI / ANALYSIS

Why it is worth attention

It is a privacy-friendly, zero-dependency browser tool with precise parse-preserve-rebuild logic: it only changes four parameters, preserves everything else, and supports batch processing, drag-and-drop, and detailed change summaries.

Who it is for

  • Users of v2rayNG 2.2.6-P2 patterniha build
  • VLESS/CDN proxy users needing optimized configurations
  • Privacy-conscious users who want a no-upload tool
  • Developers interested in vanilla JavaScript URL parsing and rebuilding

Use cases

  • Quickly convert a VLESS config for CDN fronting
  • Batch-optimize multiple VLESS links from a TXT file
  • Customize CDN IP, fingerprint, cipher suites, or FinalMask
  • Generate configurations compatible with patterniha v2rayNG build

Strengths

  • Everything runs client-side; no server, analytics, or URL storage
  • Preserves non-target parameters, fragment text, IPv6 hosts, and unknown parameters
  • Supports multiple configs per batch with change summary and copy/export options
  • Exposes a JavaScript API for testing and integration

Considerations

  • Output works only in v2rayNG 2.2.6-P2 patterniha build, not official v2rayNG or other clients
  • Only VLESS URLs are supported; vmess, trojan, and ss are rejected
  • CDN IP and other defaults are fixed unless manually changed in advanced settings

README quick start

Installation

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