Workflows
How to Batch Process Images on Mac: Convert, Resize, Compress, Watermark and Rename
Batch process images on Mac: convert, resize, compress, watermark, rename, strip EXIF and remove backgrounds offline, plus what Preview and sips can do.
Guide Library
Learn real Operimage workflows on macOS
Practical guides for converting, resizing, compressing, watermarking, and organizing image batches locally on your Mac.
Core guide tracks
Start from a workflow family, then move into the exact conversion or export task you need.
Convert
Batch Image Converter for Mac: Convert HEIC, WebP, AVIF, PNG and JPEG Without Uploads
Batch convert HEIC, WebP, AVIF, PNG, JPEG and TIFF on Mac: which format to pick, what Preview and sips can do, and a free offline workflow for whole folders.
Convert
HEIC Converter for Mac: Every Way to Convert iPhone Photos to JPG, PNG and WebP
Every way to convert HEIC on a Mac: Preview, Finder, Photos, sips and batch apps. Which format to pick, what HEIC loses, and settings that work.
Convert
WebP Converter for Mac: Open, Convert and Batch Export WebP Files
How to open and convert WebP on Mac: WebP to JPG or PNG with Preview, Finder or sips, plus JPG and PNG to WebP in batch with a free offline Mac app.
Ecommerce
E-commerce Image Optimization on Mac: Batch Prep for Shopify, Amazon, and Etsy
E-commerce image optimization on Mac: platform sizes for Shopify, Amazon and Etsy, file formats, compression, naming and one batch workflow for all.
Resize
Social Media Image Sizes 2026: Cheat Sheet for Instagram, TikTok, Pinterest, LinkedIn, X, Facebook and YouTube
Social media image sizes for 2026 in one cheat sheet: Instagram, TikTok, Pinterest, LinkedIn, X, Facebook and YouTube posts, covers, profiles and limits.
Popular Mac image tasks
The highest-value workflows for creators, ecommerce teams, and anyone replacing browser tools.
Convert
How to Convert HEIC to JPG on Mac (One Photo or Thousands)
Convert HEIC to JPG on Mac with Preview, Finder, Photos, sips or a batch app. The right quality setting, how to strip GPS, and fixes for common issues.
Resize
How to Bulk Resize Images on Mac: Preview, sips, and a Batch Resizer
Bulk resize images on Mac: Preview, Quick Actions, sips and a free batch resizer with exact, fit and fill modes plus Instagram and YouTube presets.
Compress
How to Compress Images on Mac for Free: Preview, sips and Offline Batch Compression
Compress images on Mac for free without uploading them: Preview, Photos and sips, which quality to pick, and an offline batch workflow that hits size limits.
AI
Remove Backgrounds on Mac Offline: On-Device AI, Built-in Options, and Batch Cutouts
Remove image backgrounds on Mac without uploading: built-in Preview and Finder options, on-device AI quality modes, and batch cutouts for whole folders.
Ecommerce
Shopify Product Image Resizer for Mac: Batch Resize Catalog Photos to Square
Resize product images for Shopify on Mac: why 2048×2048 square works, fit vs fill cropping, theme image ratios and a batch workflow for whole catalogs.
Workflows
Batch Rename Photos on Mac: Finder, Photos and Rules That Scale
Batch rename photos on Mac with Finder's Rename tool or a rule-based app: padded counters, dates, product names and a live preview before any file changes.
Latest published guides
Recent articles from the Operimage library, with product workflow examples and clear next steps.
Ecommerce
eBay Photo Requirements 2026: Size, Format, Rules and Batch Prep on Mac
eBay photo requirements explained: 500 px minimum, 1600 px recommended, 12 MB limit, up to 24 photos, no borders, text or watermarks, plus batch prep on a Mac.
Resize
Facebook Image Sizes 2026: Cover, Profile, Feed, Stories and Link Previews
Facebook image sizes for 2026: 851 × 315 cover, 320 × 320 profile picture, 4:5 feed posts, 1080 × 1920 Stories, 1200 × 630 link previews, and batch resizing.
Resize
X (Twitter) Image Sizes 2026: Header, Profile, Post and Card Dimensions
X (Twitter) image sizes for 2026: 1500 × 500 header, 400 × 400 profile photo, post images, 2:1 link cards, file limits and how to batch resize on a Mac.
Resize
LinkedIn Image Sizes 2026: Profile, Banner, Company Page, Posts and Articles
LinkedIn image sizes for 2026: 400×400 profile photo, 1584×396 banner, 4200×700 Page cover, post images up to 4:5, article covers and file limits.
Resize
Pinterest Image Size 2026: 1000×1500 Pins, Ratios, Safe Zones and Covers
Pinterest image size for 2026: 1000×1500 (2:3) standard Pins, accepted ratios, the 20 MB limit, safe zones, carousels, profile covers and batch resizing on Mac.
Resize
TikTok Image Size 2026: Photo Posts, Carousels, Safe Zones and Profile Photos
TikTok image size for 2026: 1080×1920 (9:16) for full-screen photo posts, up to 35 photos, JPEG or WebP, safe zones, profile photos and batch resizing on Mac.
Resize
Social Media Image Sizes 2026: Cheat Sheet for Instagram, TikTok, Pinterest, LinkedIn, X, Facebook and YouTube
Social media image sizes for 2026 in one cheat sheet: Instagram, TikTok, Pinterest, LinkedIn, X, Facebook and YouTube posts, covers, profiles and limits.
Ecommerce
Etsy Photos Blurry? Why Listing Images Look Soft and How to Export Sharp Ones on Mac
Why Etsy listing photos look blurry: too few pixels, heavy compression, tight thumbnail crops or a soft original, and how to export sharp photos on a Mac.
Compress
How to Reduce Photo Size for Email on Mac: Mail, Preview, Photos and Batch Shrinking
Shrink photos for email on a Mac with Mail's Image Size menu, Preview, Photos or a batch app. Pixel sizes, quality and attachment limits that fit every inbox.
Ecommerce
Shopify Image Too Large? Why Uploads Fail and How to Shrink Product Photos on Mac
Shopify rejecting an image as too large, or flagging heavy pages? See the file and pixel limits, why phone photos exceed them, and how to batch fix on a Mac.
Convert
Open HEIC Files on Windows: Why Your iPhone Photos Won't Open and How to Send Them So They Do
Why Windows PCs struggle with iPhone HEIC photos, the Microsoft Store extensions that fix it, and the reliable Mac-side fix: send JPGs that open everywhere.
Workflows
Photoshop Image Processor Alternative: Batch Convert and Resize on Mac Without Actions
Photoshop's Image Processor and Batch are powerful but tied to actions and JPEG, PSD or TIFF. See when a dedicated Mac batch app is faster, and when to stay.