FX Instagram Downloader by Nihar Ranjan Gahan

Download Instagram Reels and videos with synchronized audio in one click. Features smart caption file naming, local processing, and zero tracking.

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About this extension

FX Instagram Downloader allows you to easily download Instagram Reels and videos in high quality with perfectly synchronized audio directly from your browser.

1-Click Download Overlay: A clean, unobtrusive download button appears directly on active Reels and videos.
Full Audio Synchronization: Automatically merges video and audio streams locally in your browser—say goodbye to muted video downloads.
Smart File Naming: Automatically names files cleanly as [Caption (up to 10 words)] by [Username].mp4 for effortless organization.
Dynamic Feed Detection: Seamlessly detects the current video as you scroll through Reels without reloading or lagging.
Clean & Lightweight: Optimized to prevent browser slowdowns; zero bloat, no background polling when idle.
100% Privacy Focused: Operates entirely client-side. No user data, cookies, or video files ever leave your device.

Open Instagram and navigate to any Reel or video.
Hover over the video to reveal the Download button in the top right corner.
Click Download—the video will be processed locally and saved directly to your Firefox Downloads folder.

downloads: Required solely to save the merged MP4 file to your Downloads directory.
webRequest & *://*.cdninstagram.com/*: Used strictly to capture media segments (audio and video streams) requested by Instagram player so they can be merged into a single playable MP4.
*://*.instagram.com/*: Required to display the download overlay button on Instagram pages.

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FX Instagram Downloader by Nihar Ranjan Gahan

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