Netflix 同時字幕で英語学習
ID
gibmkmmdicoffkhjkfimmjkojjopoaggDisplay Japanese and English subtitles simultaneously on Netflix. Rewind three seconds. View English word meanings. Repeat a single line. Change playback speed. Add phrases to favorites.
螢幕截圖
詳細介紹
Display Japanese and English subtitles simultaneously on Netflix. Rewind three seconds. View English word meanings. Repeat a single line. Change playback speed. Add phrases to favorites.
The trial period is three days. For instructions on starting the trial, updating your license to the full version, system requirements, troubleshooting and cancellation, please follow the steps on the page below.
https://sites.google.com/view/niko-netflix-license/
Latest update
2026/10/25 Version: 3.2.9
・Fixed an issue affecting some users participating in Netflix A/B tests following changes to Netflix.
Please note that changes to Netflix may temporarily make the service unavailable. If this happens, we will work to restore service as quickly as possible. Thank you for your understanding and cooperation.
Previous updates
2026/06/30 Version: 3.2.6
・Fixed an issue where subtitles failed to load following changes to Netflix.
2026/05/07 Version: 3.2.4
・Fixed distorted button icons following changes to Netflix.
2026/04/01 Version: 3.2.1
・Fixed an issue where subtitles became out of sync when an advertisement started playing.
2026/03/14 Version: 3.2.0
・Added machine-translated subtitles alongside manually translated subtitles produced by translators.
2026/02/24 Version: 3.1.3
・Corrected text errors.
2026/01/17 Version: 3.1.2
・Fixed an issue where the video title could not be retrieved when adding an item to favorites.
2025/06/30 Version: 3.1.0
・Assigned separate keyboard shortcuts for showing and hiding English and Japanese subtitles instead of toggling each with the same key.
2025/03/27 Version: 3.0.26
・Fixed a UI layout issue affecting some users participating in Netflix A/B tests following changes to Netflix. Refactored the code and updated dependencies.
2024/10/14 Version: 3.0.20
・Refactored the code and updated dependencies.
2024/09/06 Version: 3.0.18
・Fixed an issue where audio for phrases added to favorites sometimes did not play on macOS.
2023/11/11 Version: 3.0.9
・Changed the extension to an appropriate category following the expansion of extension categories in the Chrome Web Store.
2023/03/29 Version: 3.0.9
・Migrated from the deprecated Google Sign-In to the new Google Sign-In.
2022/12/22 Version: 3.0.5
・Upgraded the extension manifest from version 2 to version 3.
2022/09/19 Version: 2.46.5
・Modified the manifest.
2022/03/03 Version: 2.45.15
・Changed the description.
2021/09/21 Version: 2.45.8
・Fixed an issue caused by changes to the Netflix UI.
2021/07/16 Version: 2.44.0
・Changed the description.
2021/03/26 Version: 2.43.9
・Changed the description.
2021/03/24 Version: 2.43.8
・Updated the video on the installation page to the latest version.
2021/01/07 Version: 2.43.2
・Added two more dictionaries to the list available when clicking an English word.
・Added information about licensing.
2020/12/02 Version: 2.42.5
・Google has announced the end of the Chrome Web Store payment service. Please use Stripe's payment service for future purchases. The three-day trial will no longer be available through the Chrome Web Store, so please use Stripe's payment service for the trial. Automatic renewal of Chrome Web Store subscriptions will stop on February 1, 2021, so please use Stripe's payment service for the full version.
2020/08/21 Version: 2.40.12
・Made the pop-up dictionary available without refreshing the page after clicking the "Authenticate user and update license" button.
2020/06/02 Version: 2.40.4
・Improved performance.
2020/05/25 Version: 2.40.2
・Improved performance.
2020/01/10 Version: 2.35.10
・Improved performance.
2019/12/19 Version: 2.35.3
・Improved performance.
2019/12/11 Version: 2.35.1
・Changed the feature that displays other phrases containing an English subtitle word to sort phrases by best match.
・Fixed an issue where Japanese subtitles appeared as image subtitles.
・Made minor UI fixes.
2019/12/02 Version: 2.35.0
Added a subtitle list. Click the icon on the left edge of the video to display all English subtitle phrases for the current video. The list scrolls automatically with playback.
2019/11/27 Version: 2.34.0
・Added the ability to add English words to favorites by right-clicking and phrases by pressing [R]. Reviewed, added and changed keyboard shortcuts. All shortcuts have been reset to their defaults. If you changed your shortcuts, please configure them again.
2019/11/21 Version: 2.33.1
・Fixed an issue where shortcut keys did not work after rewinding and replaying a video whose screen had shrunk during the end credits.
2019/11/15 Version: 2.33.0
・Made clicking a thumbnail in the list of favorite words and phrases quickly play the audio for that phrase.
・Added "Error reporting and monitoring" to settings.
2019/11/04 Version: 2.32.0
・Made neighboring thumbnails animate when hovering over a thumbnail in the list of favorite words and phrases.
・Made subtitle font weight adjustable in settings.
・Fixed an issue where the full-version license from Stripe was not applied for some users.
2019/11/01 Version: 2.31.0
・Added a pop-up dictionary when hovering over English words in the list of favorite words and phrases.
・Changed the location of the instructions for applying a license.
2019/10/25 Version: 2.30.1
・Added instructions for applying a license.
・Fixed high disk usage when registering dictionaries in the background immediately after installation.
2019/10/11 Version: 2.30.0
・Added another payment method. If you cannot purchase through the Google Chrome Web Store, click the gear-shaped settings icon on the left edge of the video and purchase using "Alternative license payment method" at the bottom of the pop-up.
2019/07/27 Version: 2.29.2
・Made the page explaining how to apply a license open on first installation.
2019/07/02 Version: 2.29.1
・Fixed an issue where the pop-up dictionary sometimes did not disappear automatically when the mouse pointer left an English word.
2019/06/18 Version: 2.29.0
・Made all Japanese subtitles for a line appear when playback automatically pauses just before the line ends.
・Prevented loading from remaining at 99 percent and stalling when the rewind or line repeat buttons are pressed repeatedly.
2019/06/14 Version: 2.28.0, 2.28.1
・Added Google Search to the dictionaries available when clicking an English word.
・Made it possible to hide Japanese subtitles and display only English subtitles.
2019/06/04 Version: 2.27.0
・Changed subtitle text from white to a slightly darker color because pure white text on a black background can be dazzling in dark scenes. Made the text outline thicker because white text is hard to read on a white background. Since the text color and outline have changed, please adjust them in settings if you want to restore the previous appearance.
・Added simultaneous subtitles for English and Korean, English and Chinese, and English and Portuguese, in addition to English and Japanese.
2019/06/01 Version: 2.26.0
・Changed vertical Japanese subtitles to display horizontally.
2019/05/20 Version: 2.25.0
・Added an option to change shortcut keys.
2019/05/13 Version: 2.24.1
・Fixed an issue where additional entries sometimes did not automatically fill the space left after deleting favorite words and phrases.
2019/05/06 Version: 2.24.0
・Added scene thumbnails to the list of favorite words and phrases.
2019/05/03 Version: 2.23.1
・Made searches replace line breaks with spaces when selected subtitle text contains line breaks.
・Fixed an issue where subtitles stuttered when the mouse pointer was placed over them.
2019/04/28 Version: 2.23.0
・Made it possible to select multiple English words to search for an expression. Drag the mouse to select text and a search icon will appear. Click it to search.
・Fixed an issue where English subtitles did not appear after a video was paused for a while and then resumed.
・Fixed an issue where English subtitles did not appear after clicking the countdown button to move to the next episode.
2019/04/22 Version: 2.22.0
・Added an option to display all English subtitles in lowercase. Enable it in settings to use it.
2019/04/18 Version: 2.21.0
・Added a favorite playback speed. Each press of [K] alternates between the favorite speed and 1.0x. The default is 0.8x.
2019/04/11 Version: 2.20.1
・Added simultaneous audio. Select it from the pop-up menu that appears when hovering over the icon at the bottom right of the video. Press [J] to switch between Japanese and English audio. Change the volume using the settings icon.
・Moved the subtitle size and rewind duration settings to the settings screen opened by clicking the gear icon.
2019/03/20 Version: 2.19.2
・Fixed a layout issue caused by changes to Netflix. Moved the icon from the bottom left to the middle of the left edge.
2019/03/19 Version: 2.19.0
・For the feature that adds subtitle words and phrases to favorites, enlarged the clickable area to make text easier to click.
・Fixed an issue where subtitles did not appear under certain conditions.
2019/03/11 Version: 2.18.0
・For the feature that adds subtitle words and phrases to favorites, made "Play this phrase" in the favorites list play quickly without reloading the page when the phrase belongs to the video currently playing.
2019/03/09 Version: 2.17.1
・Added the ability to change the color of English subtitles. Click the settings icon at the bottom left of the video.
・Changed where the dictionary and top-of-screen English subtitle settings are located. Click the settings icon at the bottom left of the video. As a result, those settings have been reset. Please configure them again.
2019/03/08 Version: 2.16.1
・Added detailed settings for English subtitle timestamps, the starting position for repeating a line, and the stopping position for automatically pausing just before a line ends. English subtitle timestamp adjustment changes the display time of each phrase. If the beginning of a line's audio is cut off when replaying it because the audio starts early, set the repeat playback start position earlier. If the end of a line's audio is cut off when automatically pausing because the audio ends late, set the stopping position later.
・Fixed a subtitle settings UI issue caused by changes to Netflix.
2019/03/05 Version: 2.15.0
・Added "Adjust English subtitle timestamps" to change the start and end timing of each English subtitle phrase. Click the gear icon at the bottom left of the video. If the beginning of a line's audio is cut off when rewinding with "Repeat a line" because the audio starts early, set the subtitle start position earlier. If the end of the audio is cut off when using "Pause just before a line ends" because the audio ends late, set the subtitle end position later.
2019/03/01 Version: 2.14.2
・Temporarily disabled "Change English subtitle timestamps" due to a problem.
2019/02/28 Version: 2.14.1
・Added the ability to change English subtitle timestamps, adjusting when subtitles appear and disappear. Click the gear icon at the bottom left of the video.
・Added the ability to manually show or hide English subtitles at any time, rather than only when paused. Press [V] on the keyboard.
2019/02/22 Version: 2.13.0
・Changed playback speed adjustments from increments of 0.1 to 0.05.
・Changed the UI for adding subtitle words and phrases to favorites.
2019/02/18 Version: 2.12.2
・Fixed issues where English and Japanese subtitles overlapped or English subtitles extended beyond the screen under certain conditions.
2019/02/17 Version: 2.12.1
・Added the ability to add subtitle words and phrases to favorites. Hover over an English word in the subtitles to display a star icon. Click it to add the word and phrase to favorites. Click the star icon at the bottom left of the screen to view the favorites list.
2019/02/09 Version: 2.11.0
・Added a shortcut for "Automatically pause just before a line ends" and "Hide and show English subtitles." Press [X].
2019/02/08 Version: 2.10.1
・Added a shortcut to move to the next English subtitle line. Press [H].
2019/02/07 Version: 2.9.0
・Added the ability to display the ejdict English-Japanese dictionary when hovering over an English subtitle word.
・Changed the "Hide and show English subtitles" feature to blur English subtitles instead of hiding them completely.
2019/02/03 Version: 2.8.0
・Hid by default the icon displayed in the center of the screen when playback starts or stops and the full-screen overlay displayed after a period of inactivity.
2019/02/03 Version: 2.7.0
・Added "Hide and show English subtitles." English subtitles are normally hidden and appear only when playback automatically pauses just before a line ends. Enable it by clicking the "Automatically pause just before a line ends" icon twice on the control bar below the video.
2019/02/02 Version: 2.6.0
・Improved "Repeat a single line." Quickly pressing the icon or [N] twice now moves to the start of the previous English subtitle and replays it. If no English subtitle is displayed, playback moves to the start of the recently displayed English subtitle and replays it.
・Prevented "Hide control bar and overlay" from activating when selecting English subtitle text and copying it with Ctrl+C.
2019/02/01 Version: 2.5.0
・Added a feature that displays English and Japanese subtitles for other phrases in the video containing a word when hovering over that word in the English subtitles.
・Changed the source code to respond more flexibly to Netflix changes.
2019/01/22 Version: 2.4.2
・Changed the source code to respond more flexibly to Netflix changes.
・Fixed issues caused by interference from other extensions.
2019/01/19 Version: 2.4.1
・Fixed an issue caused by changes to Netflix.
2018/12/13 Version: 2.4.0
・Added Weblio and Flickr to the dictionaries.
・Changed the shortcut for hiding the control bar and overlay to [C].
・The Space key normally plays and pauses video as a standard Netflix feature, but it displays a distracting icon in the center of the screen. Added the ability to play and pause with [V] without displaying the icon.
2018/12/09 Version: 2.3.0
・Addressed an issue where meanings were not displayed correctly in the Longman and Oxford English-English dictionaries when subtitle words were capitalized or inflected.
・Added the Cambridge English-English dictionary.
2018/12/05 Version: 2.2.0
・Clicking an English subtitle word opened 英辞郎; added Longman and Oxford English-English dictionaries and Google Images as alternatives. To use them, right-click the icon at the top right of the browser and select them in Options. Then refresh the Netflix video playback page to apply the changes.
2018/11/21 Version: 2.1.1
・Addressed an issue where the control bar pop-up menu closed prematurely due to changes to Netflix.
2018/09/06 Version: 2.1.0
・Made "Hide control bar and overlay" also hide the overlay that displays the video title a few seconds after pausing.
・Added a link for finding videos by filtering subtitles to the feature description in the pop-up.
2018/08/13 Version: 2.0.1
・Changed licensing-related source code.
・Addressed an issue where subtitles disappeared partway through some videos.
2018/08/10 Version: 2.0.0
・Saved English subtitle display settings so they are automatically used next time.
・Made English subtitle size and rewind duration adjustable from the Netflix control bar.
・Changed control bar button icons.
2018/08/07 Version: 1.8.4
Addressed issues where buttons did not appear and UI hiding controls did not work following UI changes in the new Netflix player.
2018/07/25 Version: 1.8.3
Addressed an issue where player controls such as rewind stopped working following changes to Netflix.
2018/06/23 Version: 1.8.2
UI fixes.
2018/06/22 Version: 1.8.1
Fixed subtitle flickering when playing or pausing with the control bar hidden.
2018/06/20 Version: 1.8.0
Added the ability to display English subtitles directly above Japanese subtitles in alignment with them.
2018/06/12 Version: 1.7.0
Added the ability to hide the control bar.
2018/06/07 Version: 1.6.0
Added the ability to repeat a single line.
Added the ability to pause just before a line ends.
2018/05/29 Version: 1.5.0
Added a rewind button next to the play button at the bottom left of the video.
2018/05/26 Version: 1.4.0
Added the ability to click an English subtitle word to display its meaning.
Changed the subtitle font style.
Made the subtitle font size adjustable in options.
2018/05/15 Version: 1.3.0
Added a three-second rewind feature.
2018/05/15 Version: 1.2.0
Added the ability to adjust subtitle position.
Note: This extension is a service provided by niko and is not affiliated with Netflix. Please report issues through this extension's contact form or email address.