Last modified on 02 Sep 2020.

Online tools



  • Convert PDF to Word (conserve format): freepdfconverter.
  • PDF Editor online free: pdfescape
  • Etherpad – a highly customizable Open Source online editor providing collaborative editing in really real-time.
  • Text recognition (OCR): newocr


  • XDM download manager.
  • Jitsi Meet – More secure, more flexible, and completely free video conferencing.


  • Unikey – Vietnamese input method on Windows.
  • ScreenToGif – screen recorder and auto convert to gif file.
  • LockHunter – find what application/process is preventing us from deleting some folder/file.
  • cmder (Console Emulator) – drop-down terminal for windows. My setting file.
  • Everything – an alternative to Spotlight in Mac. You can search any thing (app, docs, files,…) in your computer with hotkeys.
  • Big Stretch Reminder – free simple reminder tool that prompts a user to take regular breaks and helps prevent the symptoms of Repetitive Strain Injury (RSI).
  • FastStone Capture – screen recorder.


  • Workrave – a program that assists in the recovery and prevention of Repetitive Strain Injury (RSI).
  • Guake Terminal – drop-down terminal.


  • Time Out – a program that assists in the recovery and prevention of Repetitive Strain Injury (RSI).
  • iTerm2 – drop-down terminal.


  • GoldenDict – global dictionary (multi-platform). Its dictionaries.
  • Lingoes: Global dictionary for Windows. Its dictionaries.
  • DeepL – “better than google translate” app for Windows. You can use Ctrl + C + C to quickly translate a word or phrase.
  • QTranslate – quickly translate any word / phrase and also their pronunciation by using hotkeys (for example, you can use Ctrl + E to hear the pronunciation and Ctrl + Q to see the translation). The data is obtained from various sources including deepl and google translate.
  • Raindrop : bookmark to read later the articles (like Pocket)

Chrome extension

  1. Flash Video Downloader – get any video download link.
  2. TabCloud – save current tab list
  3. AVIM – Vietnamese input method
  4. Hush – private bookmarking
  5. Mate – Quick translater.
  6. Print Friendly & PDF – print any web page into pdf.