Material-aware
Start with wood, slate, glass, acrylic, or coated-metal settings.
Photo preparation for iPhone and iPad
From photo to laser-ready pixels.
Size, tune, dither, and export engraving images without sending a photo to the cloud.
On-device processingOne-time unlockNo machine lock-inNo subscription
Built around the bitmap.
EngravePrep finishes the image work before your laser software touches it.
Dot-level control
Compare six deterministic dithers and inspect the final bitmap at 1:1.
Exact output
Set physical width and DPI, then export the precise pixel dimensions your job needs.
Private by design
No account, photo upload, advertising, analytics, or laser connection.
A short path to a clean file.
Every stage stays reversible until you create the full-resolution PNG.
- Choose a photoUse Photos, Files, the camera, or the included sample.
- Tune for materialAdjust crop, tone, polarity, sharpening, and dither.
- Set the real sizeEnter inches or millimeters and select the intended DPI.
- Export onceSend the finished PNG to your existing laser workflow without a second dither.
Your photos stay yours.
EngravePrep works without an account or backend. Photos, projects, and presets remain in the app container on your device.
Read the privacy policy
Prepare the image. Keep your workflow.
EngravePrep is being prepared for App Store release.