Please enter an OpenStreetMap changeset ID or URL to analyze it with Achavi
... You can also use this bookmarklet:
javascript:(function(){id=location.href.match(/www\.openstreetmap\.org\/changeset\/(\d+)/);if(id!=null){window.open('https://overpass-api.de/achavi/?changeset='+id[1]);}else{alert('This%20is%20not%20a%20valid%20OSM%20changeset%20page.')}})()
Drag and drop this link to your bookmark bar to install it. Some browsers also allow right-clicking the link, then clicking "bookmark this link".