Video DownloadHelper 7.6.0

Fixed filename overwriting on simultaneous captures
Fixed YouTube ADP variants that could generate aggregation errors
Fixed gallery downloads with spaces in file names
Fixed canceling download from Firefox manager cancels entry download in add-on
Fixed wrong video window ownership when popup is launched at video start
Fixed download list showing chunks on YouTube when smartnaming default was set to header/url or obfuscated

fix for Dailymotion change on October 11th
added zh-TW (traditional Chinese) locale

some users reported that with the previous version, some downloads remained in the "Downloading..." state forever. We haven't been able to reproduce this behavior but since we rewrote the way we monitor downloads, we hope this issue has gone. Please let us know here if this is not the case.
settings and supported sites are now displayed as tabs instead of popup panels. You can go to VDH settings > "Appearance" ("Advanced" checked) to revert this behavior.
we changed the way we build the add-on from a tool called "cfx" to a new one called "jpm". This is not supposed to change anything for the users but if you see any unexpected behavior, please let us know.

...Для руссификации

Capturing videos: support for F4F and segmented FLV streamings
Performances: improvements and default settings changes
User interface: changes in the main panel
Locales: 3 languages added
Many other smaller changes and fixes

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Works with Firefox 36.0 and later
Source code released under Custom License What's this?

перевод выполнен на скорую руку, поэтому, возможны расхождения.

FlashGot всё же получше будет. Ни на что не променяю.

Works with Firefox 36.0 and later
Video DownloadHelper 5.3.0 introduces a new capture method we call Screen Capture, or SCRAP in some UI places, which consists of taking snapshots of a browser window region at high-frequency, and encode them on the fly, using the converter, to create a video file.

This capture method is used in two new features:

Browsing session capture: an easy way to make web sites demo videos. The add-on captures the visible part of a browser window and optionally, is able to highlight the mouse.
Applet capture: the add-on analyzes the loaded page to detect Flash and video regions big enough to be considered as capturable content and creates new entries in the detected hits list. Passing the mouse over those entries highlights the related region in the page so you know what you are about to capture.

Other minor fixes and additions:

optionally use browser's default download directory instead of VDH specific one
optionally display VDH controls from the Tools menu
optionally allows prefixing gallery captured files with incremental number
MP2T capture can now be configured from the settings
conversion output profiles can now be configured from the settings
if converter is not installed, place ADP variants detected from the network at the bottom of the list

MP2T Streaming capture: record some chunked streamed videos
Twitter Periscope Auto-recorder: auto-capture Periscope live streams
Toolbar button modes: main toolbar button in now optional
Optional main panel compact display mode
Improved smartnaming including obfuscated file names
New localizations
e10s compatible
Many fixes

Works with Firefox 36.0 and later

Пользуюсь им очень давно, совместно с DownThemAll, советую.

Works with Firefox 36

Video DownloadHelper 5 is a completely rewrite of version 4.9.24.

It fixes the problem 4.9.24 had with downloading since Firefox 36, provide an entirely new user interface, many more video variants, ...

Works with Firefox 3.6 and later, SeaMonkey 2.0 and later

Fixed broken network method detection when running on Firefox 32

Improved YouTube support (bug #536, bug #554)
Improved DailyMotion support (bug #546)