Image Converter vs Calistra Viewer

Tired of unsupported image formats? Rapidly batch convert 1000+ photos to JPG, PNG, or AVIF instantly! 100% LOCAL processing. Your privacy is our priority—no internet required, no data leaves your device. BATCH FORMAT CONVERTER Say goodbye to compatibility errors. Switch between 9+ professional formats in seconds: HEIC to JPG (The #1 iPhone fix) WebP & AVIF to PNG or JPG Convert between GIF, TIFF, BMP, and PDF Process entire albums with a single tap SMART IMAGE COMPRESSION Free up GBs of storage while keeping your photos crisp. Save up to 90% space with advanced algorithms MB to KB: Precise quality control slider Batch shrink files for faster email sharing SOCIAL MEDIA RESIZER Professional presets to make your feed stand out - no cropping needed! One-tap sizes for Instagram (Story, Square, Portrait) Perfect fit for TikTok, Facebook Covers, and Twitter Headers YouTube Thumbnail creator with exact dimensions PHOTO TO PDF MAKER Turn your gallery into professional documents. Merge multiple photos into a single, high-quality PDF Professional paper sizes: A4, US Letter, Tabloid, and more Grid layouts: 1, 2, 4, or 6 photos per page for easy printing YOUR PRIVACY, GUARANTEED All processing happens 100% offline on your device. No internet connection required Your images are never uploaded or stored Fast, secure, and lightweight Download now and transform your image workflow today!

Calistra Viewer opens your 3D models and 2D drawings instantly and lets you inspect, measure and share them — with the speed and precision of a professional CAD kernel, on your iPhone and iPad. 3D MODELS • Open STL, OBJ, glTF/GLB, PLY, 3MF, VRML, USDZ/USD and JT files • Buttery 120 fps orbit, pan and zoom — even on very large meshes • Exact measurements: distances, diameters, radii, angles, edge lengths, areas • Instant unit switching between millimeters and inches • Weight & Material: pick from a curated library of metals, plastics and composites and see the model's mass instantly • Part browser for multi-body files — isolate, hide and show components • Beautiful photoreal shading out of the box 2D DRAWINGS • Open DXF and DWG drawings with exact geometry, layers and dimensions • Full drawing editor: draw, dimension, snap, measure and export • Measurements read in the drawing's true units BUILT FOR SPEED • Models open in a fraction of a second, from the very first launch • Hardware-accelerated rendering tuned for Apple silicon and 120 Hz displays • Full keyboard support on iPad: orbit, pan and zoom with the arrow keys, customizable shortcuts WORKS YOUR WAY • Open files from Files, iCloud Drive, AirDrop, Mail or any app's share sheet Whether you're checking a print before it hits the build plate, reviewing a supplier's part on the shop floor, or reading a drawing on site, Calistra Viewer gives you an exact answer, fast.