Image Stack vs BulkPix

Image Stack converts images using presets to change formats, resize, rename, and more—whether you’re processing one image or thousands, everything is ready with just a few taps. KEY FEATURES • Batch convert images into modern formats • Apply one or more presets to avoid repetitive work • Rename files with prefixes, suffixes, or replacements • Resize images to match your requirements • Add overlays such as watermarks • Adjustable quality and metadata options • Drag-and-drop simplicity • Presets sync via iCloud for all your devices • Ultra-fast processing • Works on both macOS and iOS and iPadOS IDEAL FOR • Photographers organizing shoots • Designers exporting assets • Content creators preparing media • Anyone converting or renaming small or large image sets Image Stack is free to download and use. You can work with the app for as long as you like. To unlock the full experience and remove trial limits—such as the daily image limit—you can activate the full version with a one-time in-app purchase. The purchase is valid across all versions of Image Stack, including Mac, iPhone, and iPad. Is there any feature you are missing? Let me know!

Tired of hitting "storage full" right when you need to snap a photo? Or spending 20 minutes resizing and converting images one by one for email, websites, or social media? BulkPix is the all-in-one batch photo processor designed for speed, privacy, and simplicity. Select dozens of photos, configure your settings once, and let BulkPix handle the rest -- all on your device, nothing ever uploaded to the cloud. WHY BULKPIX IS DIFFERENT - 100% local processing. Your photos never leave your device. No cloud, no tracking, no data collection -- period. - One-time purchase. No subscriptions, no recurring fees, no in-app ads. Buy once, use forever with free updates. - Native iOS performance. Built on Apple's Core Graphics and Image I/O frameworks for fast processing that preserves quality. - Works entirely offline. Perfect for travel, low-connectivity areas, or anyone who values privacy. CORE FEATURES - Smart Compression Reduce file size by up to 90% with intelligent quality control. Choose exact compression quality or target file size. JPEG, PNG, WebP, and HEIC supported. - Flexible Resize Resize by exact pixel dimensions, by percentage, or by preset sizes. Multiple scaling strategies (stretch, aspect fit, aspect fill, crop to fill) to match any workflow. - HEIC to JPG Converter Instantly convert Apple HEIC/HEIF photos to universal JPEG for sharing with email attachments, or websites that don't support HEIC. Batch convert entire albums in seconds. - EXIF Metadata Control Strip GPS location data, remove all metadata, or keep your EXIF intact -- you choose. Protect your privacy before sharing photos online or on social media. - Custom Watermarks Add text or logo watermarks with customizable size, color, opacity, and position (9 placement options). Perfect for photographers, sellers, and content creators. - Batch Rename Rename entire photo sets with prefix + numbering or date-based naming. Keep your photo library organized after processing. - Platform Presets One-tap size templates for Instagram, TikTok, YouTube, Amazon, eBay, Shopify, Etsy, and more. No more looking up dimension requirements. - Custom Presets Save your frequently used settings (compression level + resize + watermark + format) as presets. One tap to apply to future batches. PERFECT FOR - Freeing up iPhone/iPad storage before trips - Resizing photos for email attachments (stay under size limits) - Converting HEIC photos to JPG for universal compatibility - Preparing product images for e-commerce listings - Removing GPS/location data before sharing online - Batch watermarking photos for social media or portfolios - Resizing images for website uploads (faster page loads) Download BulkPix now and make batch photo processing effortless. Your photos stay yours -- fast, private, and simple. If you have feedback or feature requests, use the in-app feedback option -- we read every message.