Formattery vs Periscope

Convert any file — fast, private, and 100% on your device. Formattery converts images, documents, videos, and audio files instantly without uploading anything to the cloud. Your files never leave your iPhone or iPad. SUPPORTED FORMATS Images: HEIC/HEIF, WebP, AVIF, JPEG XL, SVG, PNG, JPG/JPEG, TIFF/TIF, BMP, GIF, ICO, PSD Camera RAW: DNG, CR2, NEF, ARW, ORF, RW2, RAF Documents: PDF, RTF Office: DOCX, XLSX, PPTX, CSV, ODT, ODP, XLS, Pages, Keynote (experimental) Video: MP4, MOV, MKV, WebM, AVI, FLV, WMV, 3GP, OGV Audio: MP3, M4A, WAV, AAC, AIFF, FLAC, OGG, Opus, WMA, AC3 Ebooks: ePub Subtitle: SRT, VTT, ASS, LRC, SBV, SUB GPS: GPX, KML, KMZ, GeoJSON, TCX 3D Models: STL, OBJ, PLY, DAE, USDZ Markup: Markdown (.md/.markdown), HTML/HTM, Plain Text Archive: ZIP, TAR, GZ/GZIP, 7Z, RAR, CBR, CBZ Tools: File Hash (MD5, SHA-1/256/384/512, CRC32), Metadata Viewer KEY FEATURES - 100% offline — no internet required, no cloud uploads - Batch conversion — convert multiple files at once - Adjustable quality — fine-tune compression and video resolution - Office documents — convert DOCX, XLSX, PPTX and more (experimental) - File preview — preview converted files before sharing - Source file thumbnails — see what you're converting at a glance - Quick Look preview — tap history to preview any converted file - Photo library integration — saves to a dedicated Formattery album - Conversion history — easily find and share past conversions - 3D model conversion — STL, OBJ, PLY, DAE, USDZ - ePub ebooks — read and create ePub files - Archive formats — ZIP, TAR, GZ, 7Z, RAR extraction - Dark mode — beautiful in any lighting FREE & PRO Image conversions are completely free. Upgrade once to unlock PDF, video, and audio conversions — no subscriptions, no ads, ever. PRIVACY FIRST Every conversion happens entirely on your device. We never collect data, track usage, or upload your files anywhere. What stays on your device is yours alone.

Periscope by OysterBuild Clarity for Every Stage of Your Build Periscope is a construction visibility platform that provides property owners with structured, independent insight into their building projects. Whether you live abroad, manage multiple properties, or simply cannot visit your site regularly, Periscope ensures you remain informed through professional monitoring and documented progress reports. Key Features Periodic project monitoring Digital progress reports Visual site documentation Milestone tracking Organized report archive Secure access to project updates Periscope bridges the gap between property owners and construction sites by delivering transparency, accountability, and peace of mind. Because building your home should not feel uncertain. Periscope by OysterBuild — See Your Project Clearly.