These bookmarklets contain a selection of high quality monolingual and bilingual online dictionaries (latter mostly together with English, German, Russian, Danish) and some corpora.
By clicking the bookmarklets from your bookmarks toolbar, a dictionary menu will appear on your browser screen. Any word you enter in this menu (or any word you have selected from a web site before) can be looked up in one or more online dictionaries which are listed below the input field. You can also look up a specific word on a web site by selecting it with the cursor and then running the bookmarklet bookmarklet afterwards by clicking on it.
It's easiest to understand the concept of these bookmarklets by simply clicking this demo:
The bookmarklets
To use the bookmarklets, you'll have to drag one of the following buttons into your bookmarks toolbar. A right-click → "save as bookmark" would also make it. Important is that it will be saved as a bookmark.
RU dicts Russian mono- / bilingual dictionaries, corpora and transliteration. DEMO
BG/MK dicts Bulgarian and Macedonian mono- and bilingual dictionaries. DEMO
Old Church Slavonic dictionaries, corpora, Cyrillic input and transliteration. Read more here.
DA dicts Danish mono- / bilingual dictionaries and corpora. DEMO
DE dicts German mono- / bilingual dictionaries and corpora. DEMO
Yiddish dictionaries. See the article at oesteuropastudier.dk about the bookmarklet for Yiddish dictionaries, keyboard input and transliteration.
Additional information
Read more about what bookmarklets are.
The bookmarklets virtually work with any browser on almost any web site except on Facebook.
By clicking on the 
icon next to the input field a virtual keyboard will appear which eases typing Cyrillic or other special characters.
Technical information
This weblink calls the respective JavaScript language file and applies it to the current web site. Furthermore the script calls the files keyboard.js, keyboard.css, style.css and bigger.css from the same directory. Consequently, the bookmarklets will only work with an established internet connection.
The bookmarklets may be downloaded from GitHub. You may edit and use it in other places e.g. on your own server.
