Bulk Image Converter
Convert multiple images to your desired format in one batch
Upload Images
Tips for best results:
- You can select multiple images at once (Ctrl/Cmd + click)
- Maximum recommended batch size: 20 images
- For large images, conversion may take a few moments
- Original image quality is preserved by default
Conversion Settings
Preview Converted Images
Why Convert Your Images?
Consistent Format
Convert all your images to a single format for easier management and consistent display across platforms.
Faster Loading
Optimized image formats like WebP can reduce file sizes by up to 30% without quality loss.
Mobile Optimization
Properly converted images load faster on mobile devices and consume less data.
Storage Efficiency
Reduce image sizes to save storage space without compromising visual quality.
Bulk Image Converter lets you change a lot of images to JPG, PNG, WebP, and more formats with only one click.
What Is a Converter for Many Images?
You may use a free, browser-based application called a Bulk Image Converter to change a lot of photos at once from formats like JPG, PNG, WebP, BMP, and GIF into the format you want. You don’t have to install any software, transfer data to the cloud, or lose quality. This bulk image converter processes whole folders in seconds, saving you hours of repeated labour. It’s free and 100% private, whether you’re a photographer, web developer, e-commerce merchant, or content producer.
Drag & drop your pictures, pick the format you want to save them in, and download a clean, organised batch that is ready for websites, social media, print, or storage.
How to Use the Bulk Image Converter
You don’t have to check in or pay anything to convert more than one image; it only takes three steps:
Upload More Than One Picture
You may drag and drop up to 20 files (JPG, PNG, WebP, BMP, GIF) or click to browse.
Choose the format for the output.
Pick the format you want:
📸 JPG: Best for pictures and the web
🖼️ PNG is great for images, logos, and transparency.
WebP is a new format that is 30% smaller.
AVIF—Next-gen quality (coming soon)
Convert & Download
✅ Convert all files at once
✅ Download as a single ZIP (auto-packaged)
✅ Keep original filenames for easier organisation
✅ No email needed
✅ 100% free with no limits on usage
✅ Works on desktops, iPhones, and Androids
Why would you want to use a bulk image converter in 2025?
It takes a long time, is boring, and is likely to make mistakes to converting photographs one at a time by hand:
❌ E-commerce vendors squander hours changing the pictures of their products.
❌ Web developers have a hard time optimising old image libraries.
Photographers need to use the same formats when sending work to clients.
Bloggers have to deal with both PNG screenshots and JPG images.
The bulk picture converter fixes this by:
Cutting conversion time by 90%
Making sure that the format is the same for all projects
For speedier webpages, make files smaller (for example, change PNG files to WebP files).
No server uploads or privacy risks—runs 100% in your browser
Great for digital workflows that need speed, quality, and secrecy.
Important Features
Simple, clean interface with soft lighting and easy-to-use controls
Batch Processing — Change up to 20 pictures at once
Input: JPG, PNG, WebP, BMP, GIF → Output: JPG, PNG, WebP
ZIP Download: Get all the converted files in one click
Processing in the browser—files never leave your device
Responsive to all devices—works perfectly on both mobile and desktop.
Quick and dependable—converts in less than ten seconds.
Safe and Private—No data is retained or traced—no ads or watermarks—professional results with no distractions.
Questions that are often asked
Q: Is this tool actually free?
Yes! No sign-up, no hidden costs, and no watermarks.
Q: Are my pictures saved on a server?
No. Your browser does all the converting using HTML5 Canvas. Your files are safe.
Q: How many files can you have at once?
20 photos per batch (up to 10 MB each)—perfect for most tasks.
Q: Will it work on a phone?
Yes! Fully suited for iPhone and Android, it’s perfect for editing on the move.
Q: Is it possible to change to AVIF or HEIC?
In 2025, AVIF support will be available. Licensing issues mean that HEIC is not supported.
Q: Will the quality go down?
JPG: A little bit of compression (high-quality setting utilised)
PNG/WebP: no loss or almost no loss
You always keep your original files.
Q: Is it possible to change the names of files while they are being converted?
Not yet, although filenames are kept (for example, photo.jpg becomes photo.png).
Q: Who can use this tool?
Great for photographers, developers, marketers, professors, students, and small company owners who have to deal with a lot of pictures.
Related tools
JPG to WebP Converter : Make single photos work better on the web
Image Resizer and Compressor : Change the format and then resize and compress the image.
AVIF to JPG Converter : Make sure it works with old systems
Safe and Trusted
The Mozilla Developer Network (MDN), which is the most important source for online image standards, says that our converter respects best practices.
🔗 Image File Types on MDN Web Docs
ToolsSpark keeps everything on your device—free, quick, and private—unlike cloud-based services that save your data.
✅ You can convert all of your images with just one click—no sign-up, no app, and no fee.
ToolsSpark lets you convert your images for free right now.