XnResize vs Photo Size Optimizer

XnResize9.0Visit PSPhoto Size Optimizer7.0Visit

Higher score XnResize #1 in Photo Resizing Software 9.0/10 Free plan Free plan✓ 2 of 2 features Visit XnSoft

vs

PS Photo Size Optimizer #7 in Photo Resizing Software 7.0/10 Free plan Free plan✓ 2 of 2 features Visit site

• XnResize fits best

  Offline batch resizing across major desktop platforms

• Photo Size Optimizer fits best

  Free Mac batch optimization

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Side by side

Feature	XnResize 9.0/10 Visit ↗	PSPhoto Size Optimizer 7.0/10 Visit ↗
At a glance
Editor score	9.0	7.0
Ranking	#1 in Photo Resizing Software	#7 in Photo Resizing Software
Best for	Offline batch resizing across major desktop platforms	Free Mac batch optimization
Pricing model	Free plan + paid	Free
Starting price	Not published	Not published
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows, macOS, Linux	macOS
Support	Community	Email
Built for	Solo, Small business	Solo, Small business
Features XnResize 2/2 · Photo Size Optimizer 2/2
Batch resizing	✓	✓
Quality controls	✓	✓
Specs
Output formats	JPEG, TIFF, PNG, GIF, WebP, PSD, JPEG 2000, OpenEXR, camera RAW, HEIC, PDF, DNG, CR2	JPG, BMP, PNG, GIF, PDF, PSD, PNT, RGB, ARW, BMPF, CUR, CRW, CR2, DCR, DNG, EPSF, EPSI, EPI, EPS, EXR, EFX, ERF, FPX, FPIX, FAX, FFF, GIFF, G3, HDR, ICNS, ICO, JP2, JFX, JFAX, JPE, JFIF, JPF, MPO, MAC, MRW, MOS, NRW, NEF, ORF, PICT, PIC, PCT, PS, PNTG, PNGF, PEF, QTIF, QTI, RAW, RAF, RW2, RWL, SR2, SRF, SRW, SGI, TRIC, TIFF, TGA, TARGA, TIF, XBM, 3FR, 8BPS
Resize methods	Dimensions	Dimensions
Maximum batch size	Not published	Not published
Supported platforms	Web_desktop	Desktop
Our review
Pros	Processes files or entire folders locally without uploading images Offers dimensions, percentages, longest-side and bounding-box resizing Preserves metadata and supports extensive output format conversion	Batch-resizes hundreds of photos or entire folders Supports lossless and lossy optimization modes Works with more than 70 image formats
Cons	Commercial company use requires a paid license Desktop application rather than a web-based workflow No AI-powered image features	Available only for macOS Resizing is based on dimensions rather than broader methods Version history in the App Store ends in 2016
Our verdict	XnResize is a desktop utility for resizing multiple photographs at once on Windows, macOS and Linux. It suits users who need to process individual files or entire folders locally, including photographers, educators, nonprofit teams and… Read the review →	Photo Size Optimizer is a free Mac desktop application for resizing and optimizing individual images or folders. It is aimed at users preparing groups of photographs for storage, sharing, or web use, especially when reducing file sizes… Read the review →

Strengths and trade-offs

• XnResize — where it wins

  • Processes files or entire folders locally without uploading images
  • Offers dimensions, percentages, longest-side and bounding-box resizing
  • Preserves metadata and supports extensive output format conversion

  Where it doesn't

  • Commercial company use requires a paid license
  • Desktop application rather than a web-based workflow
  • No AI-powered image features

• Photo Size Optimizer — where it wins

  • Batch-resizes hundreds of photos or entire folders
  • Supports lossless and lossy optimization modes
  • Works with more than 70 image formats

  Where it doesn't

  • Available only for macOS
  • Resizing is based on dimensions rather than broader methods
  • Version history in the App Store ends in 2016

• XnResize9.0/10 · Free plan

  A capable offline batch resizer with broad format support and detailed quality controls.

  Visit XnSoftFull verdict →
• PSPhoto Size Optimizer7.0/10 · Free plan

  A free Mac batch optimizer with broad format support and dimension-based resizing.

  Visit siteFull verdict →