Batchly
Resize, compress, watermark and convert hundreds of photos at once, on the device.
Batchly runs on iPhone and iPad. The app interface is in English.
Download on the App StoreHow to batch resize photos on iPhone
Resizing photos one at a time is slow. Two ways to resize many at once on iPhone: the free Shortcuts route and Batchly, with the long-edge trick photographers use.
How to compress photos on iPhone before you email or upload them
A 12 MP iPhone photo is often 2 to 5 MB, and email limits fill fast. Three ways to shrink a batch: Mail's built-in option, Shortcuts, and a batch app.
How to watermark many photos at once on iPhone
Adding a logo to 50 photos by hand takes an evening. How to batch watermark on iPhone, where to put the mark, and the honest limits of watermarks.
HEIC to JPG on iPhone: convert many at once, or stop HEIC at the source
iPhone photos are HEIC by default, and some websites and Windows PCs still choke on them. Three fixes: camera settings, automatic transfer, and batch conversion.
Etsy and eBay photo sizes: what each asks for and how to prep a batch
Etsy recommends at least 2000 px; eBay wants 500 px minimum and 1600 px for mobile. The numbers, the shapes, and a one-pass workflow for a whole shoot.
Instagram photo size in 2026: which shape to post
The profile grid now shows posts as 3:4 tiles. What that means for 1080 × 1440, 1080 × 1350 and square posts, and how to resize a whole shoot to match.
How to reduce photo file size on iPhone to hit a limit like 1 MB
Forms often say 'max 1 MB' or 'max 200 KB'. What decides file size, how to get under a limit without guessing too much, and how to do a batch.
A sports photographer's iPad workflow: camera to team's social media during the game
A working sports photographer explains how he gets photos to a team during an event using an iPad: camera app transfer, a quick edit, then one batch pass.
Batch photo editor apps for iPhone: what actually matters when you compare them
Shortcuts, the Photos app's copy-edits feature, and dedicated batch apps each do part of the job. A checklist of the things that differ, and where Batchly fits.
Can compressing photos free up iPhone storage? What works and what doesn't
Compressing a camera roll only saves space once the originals are gone. The built-in options to try first, and when batch compression makes sense.