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Browser-Erweiterung

sylvel.comBrowser DevTools & extensions

No liveness check has reached it yet; it is registered on Firefox Add-ons and has been in the index since 10 Oct 2026. How this is checked

Sylvel is a browser extension that lets the Sylvel web app make requests from the user's device when browser add-ons block CORS or require special headers. It avoids proxying requests through Sylvel's servers and does not collect data.

Inferred · not functionally tested

FreeWebEmbeddable
Browser-Erweiterung preview
Visit sylvel.com

Overview

6 features

Purpose: Browser restrictions such as CORS and special-header requirements preventing web apps from loading streams or add-on data.

Inferred · not functionally tested

Audience: people using Sylvel's web app in browsers

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, embeddable

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: sylvel.com · addons.mozilla.org. These links do not verify the individual claims.

In the Browser DevTools & extensions space, Browser-Erweiterung takes a focused approach. Inferred · not functionally tested: Browser restrictions such as CORS and special-header requirements preventing web apps from loading streams or add-on data. Inferred · not functionally tested: It is built as a consumer product for people using Sylvel's web app in browsers. Basis unknown · not verified: It is available for free. Basis unknown · not verified: Browser-Erweiterung is available on the web and embeddable surfaces.

Behind Browser-Erweiterung is Sylvel, and it first shipped in 2026. Inferred · not functionally tested: Key capabilities include CORS handling, stream access, and special headers.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • CORS handling
  • Stream access
  • Special headers
  • Local requests
  • No data collection
  • Manual installation

Topics: Inferred · not functionally tested

Tags
browser-extensioncors-bypassstream-accessprivacy-focused

JSON profile · Text profile · Access guide

Built with & integrations

Hosting
Cloudflare
Runs on
BrowserEmbeddable
Detected from
Cloudflare
cf-ray header · cf-cache-status header

Trust & compliance

Public signals
HTTPSFree tierStore listing found

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed10 Oct · 03:31 UTC
    Sylvel seen via Firefox Add-ons
    Source: Firefox Add-ons · Open

Frequently asked questions about Browser-Erweiterung

What is Browser-Erweiterung?
Inferred · not functionally tested: Browser restrictions such as CORS and special-header requirements preventing web apps from loading streams or add-on data. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Browser-Erweiterung?
Inferred · not functionally tested: Browser-Erweiterung is a consumer product built for people using Sylvel's web app in browsers.
Is Browser-Erweiterung free?
Basis unknown · not verified: Yes — Browser-Erweiterung is free to use.
What platforms does Browser-Erweiterung run on?
Basis unknown · not verified: Browser-Erweiterung runs on the web and embeddable surfaces.
Is Browser-Erweiterung still maintained?
Unverified. Browser-Erweiterung has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to Browser-Erweiterung?
Similar projects tracked by PulseGate include HolySN, FillLab, and Universal Currency Converter.HolySNFillLabUniversal Currency Converter
Who develops Browser-Erweiterung?
Browser-Erweiterung is developed by Sylvel.
When did Browser-Erweiterung launch?
Browser-Erweiterung first shipped in 2026.

Also in Browser DevTools & extensions

Same category — not a similarity match