LocalViewer vs Vellum

LocalViewer is a local-first multi-format file viewer for iPhone and iPad. Import from Files, the Share Sheet, web folders, or linked folders, then organize, view, and play your content in one library. Supported content includes: • HTML, HTM, Markdown, TXT, TSX, JSX, JSON, CSV, TSV, and SVG • PDF, Word, Excel, and PowerPoint • JPG, PNG, WebP, HEIC, TIFF, BMP, GIF, and PSD • MP3, M4A, AAC, WAV, and FLAC Key features: • Unified outlines and full-text search with direct jumps • Local structured previews for Word, PowerPoint, Excel, and JSON • Image zoom, pan, sharing, plus system previews for GIF and PSD • Foreground audio playback with seeking, speed control, and a global mini player • Import from Files, Share Extension, complete web folders, and linked folders • Filename search, type filters, grouping, favorites, move, and rename • A 3-second undo window for deletion • Export to PDF, long image, print, and editable Word where supported LocalViewer requires no account, contains no ads or analytics SDKs, and does not actively collect personal data. Imported content stays on your device by default.

Some HTML documents and statements just won't open in Mail or Safari on your iPhone—leaving you stuck, or reaching for a Windows PC. Vellum is the simple, fast viewer that opens them right where you are. Wherever the file arrived—Mail, a messenger, Files, or a browser—just tap "Open in Vellum" and it opens instantly, rendered cleanly and completely. Opens right from any app See a document in Mail or Files? Tap "Open in Vellum" and it's there at once. No setup, no sign-up. A built-in guide walks you through it the first time. Opens what others can't HTML files and statements that won't display elsewhere open perfectly here—nothing broken, nothing missing. Read it your way Search for any word inside a document, pinch to zoom in as close as you like, and export an HTML statement as a clean PDF to keep or share. Auto-saved and organized Files you open are saved automatically and grouped by month. Pin the ones you reach for, sort by date or name, and find anything again in seconds. Yours alone No account, no servers, no ads. Lock the app with Face ID, hide its contents when you switch apps, and let old files clean themselves up. Everything stays on your device. Open any document, right from your hand.