How to Batch Convert HEIC to JPG for Free (Unlimited Files)
Updated: January 2026
The short answer: You do not need to upload photos one by one. The fastest way to convert hundreds of HEIC files is to use a browser-based tool that processes them in parallel on your own computer, bypassing standard server limits.
If you have ever transferred a folder of vacation photos or job-site images to your PC, you know the panic. You have 50, 100, or maybe 500 .HEIC files.
Most free online converters have a “hidden trap”: they let you do 3 or 5 photos, and then a popup appears asking for a credit card to unlock “Batch Mode.” In this guide, we will show you how to convert unlimited files at once, completely free.
Why “Cloud” Converters Fail at Bulk Tasks
To understand why our tool is different, you have to understand how the others work.
When you use a standard website, you are uploading massive amounts of data. If you have 100 photos (roughly 300MB), you have to wait for 300MB to upload, wait for their server to process it, and then download 300MB back.
The problems:
- ❌ It takes forever: You are limited by your internet speed.
- ❌ Server Timeouts: If the upload takes too long, the connection breaks.
- ❌ Artificial Limits: Hosting large files costs money, so they cap you at 5 files unless you pay.
The Secret: Use Your Own Computer’s Power
The tool on our Home Page uses a different technology called Client-Side Processing.
Instead of sending your photos to us, we send the “converter engine” to you. Your web browser (Chrome, Edge, or Safari) does the work instantly.
Why This is Better for Batching:
- Zero Upload Time: Since files don’t leave your computer, “uploading” is instant.
- No File Limits: You can drag 50 files at once. As long as your computer has RAM, it works.
- 100% Free: We don’t pay for expensive server storage, so we don’t need to charge you.
Who is this for?
We built this feature specifically for professionals who deal with high volumes of iPhone photos:
Convert listing photos instantly so you can upload them to the MLS (which often rejects HEIC).
Process dozens of accident or property damage photos for your reports securely.
Pro Tip: If you are compiling these photos into a report, you might need them in a single document. Use our sister tool, FillPDFNow.com, to combine images into a professional PDF.
Step-by-Step: How to Batch Convert
- Open HEICtoJPGFast.com on your computer (PC or Mac works best for bulk).
- Select your group of photos in your folder.
- Drag and Drop the entire group onto the conversion box.
- Watch them process (it usually takes milliseconds per photo).
- Click Download for each file.
Batch Conversion FAQ
Will my browser crash if I do 100 photos?
It is unlikely, but possible if you have an older computer. We recommend doing batches of 20-50 at a time to keep things running smoothly. This is still significantly faster than uploading them one by one.
Does this keep the photo quality?
Yes. Our batch processor uses high-quality settings (0.85 ratio), which maintains the visual sharpness of your images while ensuring they are compatible with Windows and websites. For a deeper dive into quality, read our HEIC vs JPG Comparison.
Can I do this on my iPhone?
Yes, you can select multiple photos from your iPhone library and tap “Add” on our tool. However, for managing large batches (50+), we recommend using a desktop computer for easier file management.