March 24, 20263 min read
Batch Image Converter — Convert Multiple Images at Once Free
Convert hundreds of images between JPG, PNG, WebP, BMP, TIFF in one go. Batch image format converter. Free, no sign-up.
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Convert Hundreds of Images at Once
Need to convert an entire folder of PNGs to JPG? MyPDF's Batch Image Converter processes multiple images in a single upload — saving you hours of manual work.
How to Batch Convert
- Upload all your images (drag and drop a folder or select multiple files)
- Choose output format — JPG, PNG, WebP, BMP, or TIFF
- Set quality — compression level for lossy formats
- Convert — all images are processed simultaneously
- Download as a ZIP file containing all converted images
Supported Conversions
| From | To |
|---|---|
| PNG | JPG, WebP, BMP, TIFF |
| JPG | PNG, WebP, BMP, TIFF |
| WebP | JPG, PNG, BMP, TIFF |
| BMP | JPG, PNG, WebP, TIFF |
| TIFF | JPG, PNG, WebP, BMP |
| HEIC | JPG, PNG, WebP |
| AVIF | JPG, PNG, WebP |
Common Use Cases
- Website migration: Convert all site images from PNG to WebP for faster loading
- Print preparation: Convert web images (RGB JPG) to TIFF for printing
- App development: Generate multiple format versions of app assets
- Photography: Convert RAW exports from TIFF to JPG for sharing
- Archiving: Standardize image formats across a document archive
- Email: Convert large PNGs to compressed JPGs for emailing
Why Batch Convert?
| Method | Time for 100 Images |
|---|---|
| Manual (one by one) | 30-60 minutes |
| Batch converter | Under 1 minute |
Output Quality Settings
| Quality | File Size | Best For |
|---|---|---|
| Maximum (100%) | Largest | Print, archival |
| High (85%) | Large | Photography, portfolios |
| Medium (70%) | Moderate | Web, general use |
| Low (50%) | Smallest | Thumbnails, previews |
Tips for Best Results
- Use WebP for web: WebP is 25-35% smaller than JPG at the same quality
- Use PNG for transparency: Only PNG and WebP support transparency
- Use JPG for photos: Best compression-to-quality ratio for photographs
- Keep originals: Always keep your source files in case you need to reconvert
Frequently Asked Questions
How many images can I convert at once?
There's no limit on the number of files. Total upload size is capped at 200 MB per batch.Are filenames preserved?
Yes. Each converted file keeps its original filename with the new extension (e.g.,photo.png becomes photo.jpg).
Can I resize images during conversion?
The batch converter focuses on format conversion. For batch resizing, use Resize Image with multiple files.Related Tools
- Convert Image — Convert single images with more options
- Compress Image — Reduce image file sizes
- Resize Image — Change image dimensions
- Crop Image — Crop images before converting
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