Batch Photo Compressor
Uploading 20 high-res photos from your phone takes forever. Shrink them instantly in your browser before you upload to sell your car faster.
Direct Answer
Craigslist and Facebook recommend 1600px wide images. This tool resizes your photos to exactly that size to prevent blurry server-side compression.
Settings
Craigslist and Facebook recommend 1600px width.
0.7 is the sweet spot for web listings.
Privacy First
All images are compressed directly inside your browser. No files are uploaded to our servers.
Click to select photos
Select multiple high-res photos from your phone or camera
Assumptions we made
- User has HTML5 Canvas supported browser
Important limitations
- Extremely large RAW files may crash mobile browsers
Step by step
How to use this tool
- 1
Upload your photos — everything stays in your browser.
- 2
Choose a quality target (e.g., 80% for good quality, 60% for faster uploads).
- 3
Download the compressed batch. Use these for Marketplace/Craigslist listings.
Decision context
What this calculator helps you decide
Use Batch Photo Compressor when you need a quick, structured answer before you spend money, approve work, prepare a trip, compare options, or share information with a buyer, seller, shop, lender, or insurer. Enter the inputs you already know, review the result, then use the assumptions and limits below to decide what to check next.
Inputs and outputs
Start with the inputs that most affect this decision: Multiple Image Files. The output is meant to make the next step easier to compare, not to replace a written quote, inspection, policy document, loan disclosure, or local rule.
The main outputs are Compressed Images (.zip or direct download). If one input is uncertain, change that value and compare the result again before treating a single estimate as final.
Best-use cases
This page is built around the search intent: compress multiple car photos, resize photos for facebook marketplace, craigslist photo size limit. It is most useful when you want to narrow a decision, prepare better questions, or avoid missing a cost, risk, fitment issue, paperwork step, or ownership detail.
Keep the assumptions visible while using the result. If your vehicle, location, driving pattern, quote, loan, insurance policy, or listing situation is unusual, use this as a planning screen and verify the final decision with the relevant document, professional, or local requirement.
Methodology
How the estimate works
Inputs, outputs, and calculation logic.
Logic
Uses a client-side Web Worker and Canvas API to redraw and export images with lower JPEG quality settings.
Inputs
- Multiple Image Files
Outputs
- Compressed Images (.zip or direct download)
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