Download Guides & Tutorials
HLS streams, DASH video, batch images — learn how to download anything from any website using FlowPick.
How to Download DASH Video With Audio
DASH video downloaded but no sound? Learn to tell which MPD track is video and which is audio, avoid picking a video-only stream, and merge both into a playable MP4 with FlowPick.
How to Download a Video from a Direct URL
Learn how to identify MP4 and WebM direct links, grab them with FlowPick in one click, and fix the most common failures: 403, 404, CORS, and incomplete files.
FlowPick v1.1.1: Protected Resource Preview & Download
v1.1.1 ships anti-hotlink proxy previews and downloads — images, audio, documents, and subtitles behind Referer checks now actually work. Faster video covers, stronger Firefox support.
Browser-Side Video Remuxing: fMP4, ISOBMFF, and Why We Don't Transcode
What actually happens when you 'merge' streaming segments into an MP4 in the browser — the ISOBMFF box structure, why fragmented MP4 concatenates but regular MP4 doesn't, and why remuxing is 50x faster than transcoding.
Browser Video Processing Performance Benchmarks: FFmpeg WASM vs WebCodecs vs Native
Real numbers from real hardware — 1080p/4K/8K remux and decode benchmarks across FFmpeg WASM, WebCodecs, and native FFmpeg. With methodology, raw data, and what the numbers actually mean.
DASH Deep Dive: SegmentTemplate, ContentProtection, and Multi-View MPD Structure
Past the beginner MPD explainer — SegmentTemplate vs SegmentTimeline, $Number$ vs $Time$, ContentProtection signaling, and the structural reasons DASH is harder to parse but easier to download than HLS.
HLS Deep Dive: Encryption, Multi-Track Audio, and the EXT-X Tags Actually Worth Knowing
Past the beginner M3U8 guide — EXT-X-KEY, EXT-X-MEDIA, discontinuities, and the corner cases that break naive HLS downloaders. With real manifest snippets and the logic FlowPick uses to handle them.
Is It Legal to Download Streaming Video? A Technical and Legal Checklist
Not 'consult a lawyer' hand-waving — actual signals you can check in the network tab, the actual laws that matter in major jurisdictions, and where FlowPick draws the line.
WebCodecs + Web Workers + OPFS: Practical Video Processing in the Browser
A working example of using WebCodecs for hardware-accelerated video decode, Web Workers for parallel processing, and OPFS for high-throughput local file I/O — with benchmarks against FFmpeg WASM.