Miter Angles vs SendSafe

This compound angle calculator computes both miter and bevel angles. Especially useful for building boxes with slanted sides or making concrete forms. Includes a calculator for a butted joint where one side joins the uncut side of another board. Also has a calculator for the case where two boards of different sizes form a joint. Results can be sent using text or email.

Send safer. Redact IDs, bank statements, and insurance cards in seconds — without uploading anything. SendSafe uses on-device AI to find the sensitive information on your document, then burns black bars into the pixels so there's no copyable text underneath. Drag your own black bars on anything the AI misses. Add a watermark for the specific recipient. Strip EXIF and GPS metadata on export. Done. 100% on-device. Your photos, PDFs, and detected fields never leave your phone. WHAT IT DOES • Pick a photo or import a PDF • AI auto-highlights SSNs, credit cards, names, addresses, IDs, dates of birth, phone numbers, and emails • Tap each highlight to redact it, or tap "Redact all" for one-shot • Drag anywhere to redact anything else • Multi-page PDF support — swipe between pages or jump straight to redacted pages • Press and hold the eye icon to peek behind the redactions and verify nothing leaked • Export to flat image-PDF (no underlying text layer) or PNG • Optional watermark, automatically dated for the recipient PRIVACY-FIRST BY DESIGN • No account, no signup, no email • No analytics, no ads, no third-party SDKs • No cloud upload — Vision and Natural Language run on-device • EXIF and GPS metadata stripped on every export • Source of truth: your phone PREMIUM ($4.99 ONE-TIME) • Remove the SendSafe watermark • Custom watermark text, color, opacity • Document templates (coming soon) • Higher-quality export options One purchase. Forever. No subscription. No usage limits in the free version. Made for renters submitting paperwork to landlords, job seekers sending W-2s to HR, patients sharing insurance cards with new doctors, and anyone who has ever screenshotted an ID and wondered if their address number was still visible behind the marker scribble.