{{Short description|Subtitles aggregator}} {{Infobox website | name = OpenSubtitles | logo = File:OpenSubtitles logo.gif | type = Subtitles aggregator | language = English | founded = {{Start date and age|2005}} | country_of_origin = Slovakia | founder = Braňo | url = {{URL|https://www.opensubtitles.org/}} | advertising = Yes | commercial = No | registration = Optional | current_status = Active | programming_language = PHP }}
'''OpenSubtitles''' is a website dedicated to the aggregation of subtitles for audiovisual works.
In 2022, OpenSubtitles was one of the 5,000 most accessed websites from the internet.<ref>{{cite news |last=Demartini |first=Felipe |date=19 January 2022 |title=Site de legendas tem vazamento de dados de 6,7 milhões de usuários |url=https://canaltech.com.br/seguranca/site-de-legendas-tem-vazamento-de-dados-de-67-milhoes-de-usuarios-206988/ |publisher=Canaltech |language=pt-BR |access-date=17 March 2025}}</ref>
== History ==
OpenSubtitles was created in 2005 by the Slovakian programmer Braňo.<ref name="torrentfreak">{{cite news |last=Star |first=Ernesto Van der |date=30 November 2006 |title=Interview with the Founder of Opensubtitles |url=https://torrentfreak.com/interview-with-the-founder-of-opensubtitles/ |publisher=TorrentFreak |access-date=17 March 2025|archive-url=https://web.archive.org/web/20250317040035/https://torrentfreak.com/interview-with-the-founder-of-opensubtitles/ |archive-date=17 March 2025}}</ref>
In 2018, the Federal Court of Australia issued an injunction demanding the blockage of 181 sites linked to online piracy, including OpenSubtitles. The case was filed by companies such as Village Roadshow, Disney, Twentieth Century Fox, Paramount Pictures, Columbia Pictures, Universal Pictures and Warner Bros.<ref>{{cite news |last=Star |first=Ernesto Van der |date=20 December 2018 |title=Australian Court Orders ISPs to Block 181 'Pirate' Domains, Including Subtitle Sites |url=https://torrentfreak.com/australian-court-orders-isps-to-block-181-pirate-domains-including-subtitle-sites-181220/ |publisher=TorrentFreak |access-date=17 March 2025|archive-url=https://web.archive.org/web/20250317043343/https://torrentfreak.com/australian-court-orders-isps-to-block-181-pirate-domains-including-subtitle-sites-181220/ |archive-date=17 March 2025}}</ref>
In October 2021, OpenSubtitles was hacked, with the attacker obtaining the personal data of nearly seven million subscribers. The hacker asked for Bitcoin as ransom. The company agreed, but the database was leaked on 18 January 2022.<ref>{{cite news |last=Maxwell |first=Andy |date=19 January 2022 |title=OpenSubtitles Hacked, 7 Million Subscribers' Details Leaked Online |url=https://torrentfreak.com/opensubtitles-hacked-7-million-subscribers-details-leaked-online-220119/ |publisher=TorrentFreak |access-date=17 March 2025|archive-url=https://web.archive.org/web/20250317044033/https://torrentfreak.com/opensubtitles-hacked-7-million-subscribers-details-leaked-online-220119/ |archive-date=17 March 2025}}</ref>
== Services ==
OpenSubtitles offers subtitles in several languages. It uses an IMDb ID as a basis for research, and it is possible to search for a subtitle using many methods, including multisearching. The website is available in XML format. OpenSubtitles is also able to collaborate with torrent clients, such as myBittorrent and BitTorrent.<ref name="torrentfreak"/>
Their subtitles can also be downloaded and uploaded via SubDownloader. The program is open source and programmed in Python.<ref name="torrentfreak"/>
== Popularity ==
Shortly after its creation, OpenSubtitles was already the most popular subtitles resource on the internet.<ref name="torrentfreak"/> In 2018, 69% of IMDb identifiers were associated with subtitles in at least two languages.<ref>{{cite journal |last1=Lison |first1=Pierre |last2=Tiedemann |first2=Jörg |last3=Kouylekov |first3=Milen |year=2018 |title=OpenSubtitles2018: Statistical Rescoring of Sentence Alignments in Large, Noisy Parallel Corpora |url=https://aclanthology.org/L18-1275.pdf |access-date=17 March 2025 |journal=In Proceedings of the Eleventh International Conference on Language Resources and Evaluation}}</ref> Many websites and programs use OpenSubtitles in their applications, including VLC media player,<ref name="torrentfreak"/> YouTube<ref>{{cite news |last=Pereira |first=Dimitri |date=7 May 2016 |title=Os 7 melhores serviços para colocar legendas em vídeos do Youtube |url=https://canaltech.com.br/internet/os-7-melhores-servicos-para-colocar-legendas-em-videos-do-youtube/ |publisher=Canaltech |language=pt-BR |access-date=17 March 2025|archive-url=https://web.archive.org/web/20250317042853/https://canaltech.com.br/internet/os-7-melhores-servicos-para-colocar-legendas-em-videos-do-youtube/ |archive-date=17 March 2025}}</ref> and Stremio.<ref>{{cite journal |last1=Herscovici |first1=Omri |last2=Gull |first2=Omer |year=2017 |title=Hacked in Translation - from Subtitles to Complete Takeover |url=https://arxiv.org/pdf/2408.00502 |access-date=14 March 2025 |journal=Check Point Software Technologies}}</ref>
Since 2020, OpenSubtitles has been used to train LLMs, including Anthropic's Claude, Meta Platforms' Open Pre-trained Transformer, Nvidia's NeMo Megatron, and other companies, such as Apple Inc., Salesforce, Bloomberg L.P., EleutherAI, Databricks, Cerebras, etc.<ref>{{cite news |last=Reisner |first=Alex |title=There’s No Longer Any Doubt That Hollywood Writing Is Powering AI |journal=The Atlantic |date=18 November 2024 |url=https://www.theatlantic.com/technology/archive/2024/11/opensubtitles-ai-data-set/680650/ |access-date=4 June 2025 |archive-date=4 June 2025 |archive-url=https://web.archive.org/web/20250604145454/https://www.theatlantic.com/technology/archive/2024/11/opensubtitles-ai-data-set/680650/ |url-status=live}}</ref>
== See also == {{Portal|Film|Internet}} *Amara (organization)
== References == {{reflist}}
Category:Slovak websites Category:English-language websites Category:Download websites Category:Internet properties established in 2005 Category:Aggregation websites Category:Subtitling