After hundreds of tests, takes the crown for the best combination of zero email and high quality. Its ability to adjust thresholding before conversion puts it ahead of competitors for architectural blueprints. However, if you need a completely anonymous, no-watermark solution for a simple logo, Zamzar is faster.

: A highly reputable service that allows for conversion to DWG from various formats. It focuses on speed and simplicity, requiring no sign-up to use the service. ConvertFiles

: This site provides a straightforward three-step process: upload, select the destination format (DXF), and download. It is useful for quick conversions without any signup hurdles.

Convertio (direct link) Best output quality: Zamzar (just ignore the email field) Best for batch jobs: AConvert

Using an online converter offers several benefits, including:

Widely considered the "gold standard" for architectural and engineering conversions. It uses OCR to turn text in your JPG into editable text strings in the DWG.