How to Batch Convert Images — Multiple Files at Once
Converting images one at a time is tedious. Whether you are processing photos from a shoot, optimizing website assets, or preparing files for a presentation, batch conversion saves enormous amounts of time. This guide shows you how to batch convert images for free using Snap2Format.
What Is Batch Image Conversion?
Batch conversion means converting multiple image files at once — all to the same output format, in a single operation. Instead of uploading, converting, and downloading files one by one, you process them all together.
Common batch conversion scenarios:
- Converting a folder of RAW photos (CR2, NEF) to JPEG after a photoshoot
- Converting PNG website assets to WebP for better performance
- Converting HEIC iPhone photos to JPEG for sharing
- Preparing images for a client in a specific format
How to Batch Convert with Snap2Format
- Go to Snap2Format and click the "Switch to Batch Mode" button below the converter
- Upload your files — drag and drop up to 20 images, or click to browse and select multiple files
- Choose output format — select JPEG, PNG, WebP, AVIF, or any supported format
- Select quality — Low, Medium, or High depending on your needs
- Click Convert Now — all files are processed and you can see individual progress
- Download — download files individually or click "Download ZIP" to get everything in one archive
Tips for Efficient Batch Conversion
Organize Before Converting
Put all files you want to convert in a single folder. This makes it easy to select them all at once. Remove any files you do not want to convert to avoid wasting time.
Choose the Right Quality
For batch jobs, consider what the images will be used for:
- Web publishing: Medium quality (80%) offers the best balance
- Archival/printing: High quality (95%) preserves maximum detail
- Quick previews: Low quality (60%) for the fastest processing and smallest files
Use ZIP Download
When converting many files, always use the ZIP download option. It is much faster than downloading 20 individual files and keeps everything organized.
Supported Formats for Batch Conversion
Snap2Format's batch mode supports all the same formats as single-file conversion. You can mix input formats — for example, upload a mix of PNG, JPEG, and HEIC files and convert them all to WebP in one batch.
Input formats: JPEG, PNG, GIF, BMP, WebP, TIFF, AVIF, HEIC, SVG, RAW (CR2, NEF, ARW, DNG, etc.)
Output formats: JPEG, PNG, WebP, AVIF, HEIC, TIFF, GIF, BMP, ICO
Limits
- Maximum 20 files per batch
- 100MB per file
- No daily or monthly limits — convert as many batches as you need
- All files are deleted within 2 hours
Ready to save time? Start batch converting now — it is completely free.