Mega (service)

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01 mega logo.svg
Developer(s) Mega Ltd.
Initial release January 19, 2013; 5 years ago (2013-01-19)
Development status Active
Written in C++, JavaScript, Java, Objective-C, HTML5
Operating system Microsoft Windows, OS X, Linux, iOS, Android, Windows Phone, BlackBerry 10, Kindle Fire, PlayStation 4, Xbox One
Available in 49 languages[1]
List of languages
Afrikaans, Albanian, Arabic, Basque, Bosnian, Brazilian Portuguese, Breton, Bulgarian, Catalan, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, Galician, Georgian, German, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Macedonian, Malaysian, Norwegian, Persian, Polish, Portuguese, Romanian, Russian, Serbian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Tagalog, Thai, Traditional Chinese, Turkish, Ukrainian, Welsh
Type Online backup service
Cloud storage
License Simplified BSD license (For the JavaScript, SDK source)
Alexa rank Positive decrease 235 (January 2018)[2]

Mega (stylized in uppercase as MEGA) is a cloud storage and file hosting service produced by Mega Limited. The New Zealand-based website was launched on January 19, 2013, by Kim Dotcom. Mega mobile apps are available for Windows Phone, Android, BlackBerry 10 and iOS.

Mega most notably advertises its feature that all files are encrypted locally before they are uploaded[3] and 50 GB of storage space are available for free[4] and up to 8 TB for paid accounts.[5] As of January 20, 2018, Mega has 100 million registered users in more than 245 countries, and more than 40 billion files have been uploaded to the service.[6]


Kim Dotcom's first file-hosting site Megaupload was seized and shut down on January 19, 2012 by the United States Department of Justice, which began criminal cases against its owners. After Gabon denied the new company domain name,[7] Kim Dotcom announced it would instead be registered in his country of residence, New Zealand, under the domain name[8] Mega launched on January 19, 2013 – a year after Dotcom's original site was shut down.[9] Kim Dotcom reported on Twitter getting over 100,000 registered within the first hour, speculating that this may make Mega the fastest-growing startup in history.[10] Kim Dotcom also reported on Twitter that the site was extremely busy, and received thousands of user registrations per minute at the time of the tweet.[11] Kim later reported Mega having more than 1 million registered users, and 60 uploads completed every second.[12] Three days later that number was updated to 500 uploads completed every second.[13] To promote his new website, Kim Dotcom hired ice cream chef Gianpaolo Grazioli to create a mega flavor in an extravaganza for his followers.[14] On February 7, 2013, it was announced that the former Chief Executive of InternetNZ, Vikram Kumar, would step in as the new CEO of Mega. Tony Lentino, interim CEO of Mega, would instead maintain a seat as a director with Mega and continue to provide his entrepreneurial spirit and skills to the enterprise.[15]

Early users of the site experienced various issues, including slow-to-nonexistent upload speeds and problems logging in.[16] The service improved slightly over the next three days, but remained insufficient for large volumes of uploads. Others said there appeared to be no way to close an account in case it got compromised.[17] Technology commentators blamed the poor performance on the site's popularity, noting it was ranked in the top 150 websites in the world in the first few days of its existence, subsequently dropping a few thousand places.[18]

On July 4, 2013, the Mega Android application was released on the Google Play marketplace.[19] Four days later, on July 8, 2013, the Mega software development kit (SDK) and affiliate program was released.[20] On September 4, 2013, Kim Dotcom stepped down as Director of Mega.[21] In a later interview with the Washington Post on September 7, Kim Dotcom announced Mega was getting 20,000 signups for the service every day.[22] Furthermore, in 2013 Mega was receiving about 100 DMCA takedowns per day.[23] On November 26, 2013, the official Mega iOS application was released on the App Store marketplace.[24] On January 20, 2014, the official MEGAsync application was released for Windows[25] and on September 6, 2014, the official MEGAsync application was released for Linux.[26]

In March 2014, Dotcom announced his intentions to list Mega on the New Zealand Stock Exchange.[27] In September, a report published from the Digital Citizens Alliance – commissioned via brand protection organisation NetNames – characterising Mega as a 'shadowy cyberlocker'[28] was branded "grossly untrue and highly defamatory" by Mega's CEO.[29]

In July 2015, Dotcom said he doesn't trust Mega service in a Q&A session with tech website Slashdot, claims the company had "suffered from a hostile takeover by a Chinese investor who is wanted in China for fraud" and that the New Zealand government seized this investor's shares and now has control of the site. Dotcom encouraged readers not to use it and that he plans to set up a completely open source nonprofit competitor. Dotcom announced on his Twitter account that he plans to release a detailed breakdown of Mega's status.[30][31][32] Mega responded that the authorities have not opposed or interfered with any of Mega’s operations.[33]

In January 2016, Mega announced that the service has 35 million registered users that have uploaded 12 billion files.[34]

Mega Ltd. released the source code to their client-side software in 2016 under an own, source available software license on[35][36]

Data encryption[edit]

The HTML5 file manager

Dotcom has said that data on the Mega service will be encrypted client-side using the AES algorithm. Since Mega does not know the encryption keys to uploaded files, they cannot decrypt and view the content. Therefore, they cannot be responsible for the contents of uploaded files.[37] Dotcom stated that encrypting files allows them to work with a larger number of data hosting companies around the world, decreasing the likelihood of a Megaupload-style seizure of servers by one government. He mentioned in an interview with Ars Technica that "Each file will be kept with at least two different hosters [sic], [in] at least two different locations," and "That’s a great added benefit for us because you can work with the smallest, most unreliable [hosting] companies. It doesn’t matter because they can’t do anything with that data."[38]

In the first few weeks after the Mega launch, various security problems were found that researchers said an attacker could use to gain access to a logged-in user's files.[39][40][41] In response, Mega started a vulnerability reward program which offers a reward of up to €10,000 for reporting security problems to Mega.[42]

The Mega team indicated that some companies, such as film studios, will have direct access to remove files if they discover the encryption keys online and determine that the content infringes their copyright. Dotcom added that if such companies want to use that tool they would have to agree, prior to receiving access, not to sue Mega or hold the site accountable for the actions of its users.[43]

Data allowances[edit]

  • Free account users are provided with one option:
    • 50 GB of base storage quota. The free account also offers additional storage allowances that can be activated through various "achievements".
  • Paid account users are provided with four tiers of options:[5]
    • 200 GB storage (1 TB of bandwidth per month)
    • 1 TB storage (2 TB of bandwidth per month)
    • 4 TB storage (8 TB of bandwidth per month)
    • 8 TB storage (16 TB of bandwidth per month)


Mega has released some documentation of its API so developers can write their own applications.[44]

According to Mega, in the near future they will provide reference client libraries/SDKs for various programming languages. For now, their JavaScript site code is the only official sample code available, although some programmers have developed samples of the Mega API in Python[45] and .NET,[46] and some applications have started to appear, including features like online video[47] and file synchronization.[48]


According to Mega, the site "works with all major current browsers", but there can be some inconveniences to using browsers other than Google Chrome or Firefox. For example, with Internet Explorer 10, as it has a "memory leak in the Blob saving functionality, the user has to close and reopen the Mega tab every couple of hundred megabytes[49] of inbound file transfer".[50]

New features[edit]


In February 2013, Dotcom unveiled that Mega would be expanding into e-mail, chat, voice, video, and "mobile".[51] In December 2014, he revealed that his company would "soon" launch a browser-based chat service.[51] In mid-January 2015, Mega launched MegaChat in beta,[52][53] marketed as a web-based, encrypted alternative to applications like Skype and FaceTime.[52][53]

Browser extension[edit]

Mega released a browser plugin extension called MEGA Chrome Extension in 2015. It was advertised as reducing loading times, improving downloading performance, and strengthening security.[54] It was last updated May 24, 2017.[55] Mega also released a browser extension for Firefox.[56]

See also[edit]


  1. ^ "Mega". Mega LTD. Retrieved 20 January 2014. 
  2. ^ " Site Info". Alexa Internet. Retrieved 22 January 2018. 
  3. ^
  4. ^ "Help Centre - Account". Official site. Retrieved 2014-05-02. What do I get with my free account? A globally accessible, high-performance, secure cloud drive with 50 GB of storage space 
  5. ^ a b "Mega packages". Retrieved 8 February 2013. 
  6. ^ "MEGA". Retrieved 2016-12-17. 
  7. ^ "Gabon suspends Kim Dotcom's domain". 3 News NZ. 7 November 2012. Retrieved 7 November 2012. 
  8. ^ "Dotcom goes for NZ web address". 3 News NZ. November 13, 2012. Retrieved November 13, 2012. 
  9. ^ "Elaborate claims about new Dotcom site". 3 News NZ. 1 November 2012. Retrieved 1 November 2012. 
  10. ^ Dotcom, Kim (January 19, 2013). "Kim Dotcom's tweet: 100,000 registered users in less than 1 hour. Fastest growing startup in Internet history? #Mega". Retrieved January 19, 2013. 
  11. ^ Dotcom, Kim (January 19, 2013). "Site is extremely busy. Currently thousands of user registrations PER MINUTE". Twitter. Retrieved January 19, 2013. 
  12. ^ Dotcom, Kim (January 22, 2013). "60 uploads complete every second!". Twitter. Retrieved January 22, 2013. 
  13. ^ Dotcom, Kim (January 25, 2013). "When 500 uploads complete "every second" you know you created something powerful". Twitter. Retrieved June 14, 2013. 
  14. ^ "Kim Dotcom's delicious PR". January 19, 2013. 
  15. ^ "Mega Limited appoints new CEO". February 7, 2013. Retrieved February 7, 2013. 
  16. ^ Satherley, Dan (22 January 2013). "Dotcom apologises to Mega users". 3 News NZ. Retrieved 22 January 2013. 
  17. ^ Boone, Jeb (January 23, 2013). "Concerns raised over Mega site security". 3 News NZ. Retrieved January 23, 2013. 
  18. ^ 3 News online staff (January 28, 2013). "Mega: service improves as visitors drop off". 3 News NZ. Retrieved January 28, 2013. 
  19. ^
  20. ^ "MEGA launches SDK and Affiliate program". Official blog. July 8, 2013. Retrieved May 2, 2014. 
  21. ^ CEOWorld magazine (4 September 2013). "Kim Dotcom Has Stepped Down As Director Of Mega File-Storage Startup". Archived from the original on 11 September 2013. Retrieved 4 September 2013. 
  22. ^ "Kim Dotcom is still wanted by the FBI. But that isn't slowing him down". The Washington Post. November 27, 2013. Retrieved February 28, 2016. 
  23. ^ "Keynote at OSDC 2013". Internet Ganesha. November 7, 2013. Retrieved November 27, 2013. 
  24. ^
  25. ^
  26. ^
  27. ^ "Kim Dotcom's Mega to list on NZ stock market". BBC. March 25, 2014. Retrieved February 28, 2016. 
  28. ^ NetNames. "BEHIND THE CYBERLOCKER DOOR: A Report on How Shadowy Cyberlocker Businesses Use Credit Card Companies to Make Millions" (PDF). Digital Citizens Alliance. Retrieved September 19, 2014. 
  29. ^ Andy. "Mega Demands Apology Over "Defamatory" Cyberlocker Report". Retrieved September 19, 2014. 
  30. ^ "Interviews: Kim Dotcom Answers Your Questions – Slashdot". Retrieved February 20, 2016. 
  31. ^ "Kim Dotcom: 'I don't think your data is safe on Mega anymore'". The Next Web. July 31, 2015. Retrieved February 28, 2016. 
  32. ^
  33. ^ "Kim Dotcom promises to launch an open-source competitor to Mega (updated)". Engadget. Retrieved February 20, 2016. 
  34. ^ "MEGA turns 3!". January 20, 2016. Retrieved June 7, 2016. 
  35. ^ MEGA source code on
  36. ^ meganz on
  37. ^ Graeber, Charles (2013-03-28). "Megaupload Is Dead. Long Live Mega! | Threat Level". Retrieved 2013-06-14. 
  38. ^ "Building Mega: Ars' pre-launch interview with Kim Dotcom". Ars Technica. 19 January 2013. Retrieved 14 June 2013. 
  39. ^ "SpiderOak's Analysis and Recommendations for the Crypto in Kim Dotcom's Mega, Part One". 23 January 2013. Archived from the original on 31 March 2014. Retrieved 14 June 2013. 
  40. ^ "A word on cryptography". 22 January 2013. Retrieved 27 June 2013. 
  41. ^ "Mega's first week - a retrospective". 26 January 2013. Retrieved 27 June 2013. 
  42. ^ "The Mega Vulnerability Reward Program". 2 February 2013. Retrieved 27 June 2013. 
  43. ^ "MegaUpload rises from the dead as Mega – Internet & Media - CNET News". 18 October 2012. Retrieved 14 June 2013. 
  44. ^ "The Mega API". Retrieved 27 June 2013. 
  45. ^ "Using the Mega API, with Python examples! | Julien Marchand • Dev blog". 28 January 2013. Retrieved 14 June 2013. 
  46. ^ "sybil-sink/mega-sdk · GitHub". 8 March 2013. Retrieved 14 June 2013. 
  47. ^ Andres_age (28 February 2013). "MegaDownloader for Watch videos online - streaming tutorial for". Retrieved 14 June 2013. 
  48. ^ "Windows client and .NET API for Mega". Mega Desktop. Archived from the original on 2 November 2002. Retrieved 14 June 2013. 
  49. ^ "MegaDownloader 1.7 for faster & Unlimited Mega Downloads". 18 January 2016. Retrieved 27 June 2016. 
  50. ^ "A word on browsers". 18 January 2013. Retrieved 27 June 2013. 
  51. ^ a b Protalinski, Emil (28 December 2014). "Kim Dotcom's Mega to launch browser-based encrypted video call and chat service 'soon'". VentureBeat. Retrieved 23 January 2015. 
  52. ^ a b Mathews, Lee (22 January 2015). "Kim Dotcom launches MegaChat, the video chat service even Snowden trusts". Retrieved 23 January 2015. 
  53. ^ a b Condliffe, Jamie (22 January 2015). "Mega Just Launched End-to-End Encrypted Audio and Video Chat". Gizmodo. Retrieved 23 January 2015. 
  54. ^ retrieved 29 July 2015
  55. ^
  56. ^

External links[edit]