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GridMaker is a free online photo grid maker that helps artists create precise, customizable grid overlays on reference images. Upload any image, adjust grid lines, and sketch square by square — no design skills or software installation required. Suitable for beginners learning proportional transfer techniques and professionals needing quick grid references for commissioned or large-scale work.
The RAADS-R Test is a free, web-based autism spectrum screening tool grounded in Ritvo et al. (2011) peer-reviewed research published in the Journal of Autism and Developmental Disorders. Updated with Hegarty et al. (2025) scoring interpretation, it takes 20-30 minutes to complete. It is explicitly a screening instrument only—not a diagnostic tool—and directs users to consult qualified healthcare professionals for formal evaluation.
GMaps To GPX is a web-based service that accepts Google Maps links, auto-detects the travel mode, and generates downloadable GPX files. The conversion runs server-side after sign-in, with user-controlled data deletion. GPX output is compatible with most GPS devices including Garmin, Strava, OruxMaps, and Locus. New accounts receive free trial credits without a credit card; credits never expire. An Android-specific page pre-set to track format simplifies mobile workflows.