FileKiln

Filekiln converts field and production files on your iPhone. Nothing leaves the device. Construction drawings • Open ASCII DXF files • Preview lines, circles, arcs, polylines, text, blocks, and more • Export PDF preview and paginated PNG pages (A4/A3) Survey coordinates • Open CSV, DAT, PENZD, PNEZD, and TXT point files • Detect common layouts (including GBK-encoded CASS-style files) • Export standard CSV and optional GeoJSON Subtitle cleanup • Clean SRT, VTT, ASS/SSA, and timecoded production notes • Export standard SRT and plain text for editors Also supports Open In from WeChat, Mail, Files, and other apps. Results are saved in the Filekiln folder and can be shared with Export. Built for architects, site engineers, survey crews, and production teams who need quick, offline conversion without a desktop CAD or NLE.