Batch convert a whole roll of film negatives in the browser.
Negative Converter supports multi-file film workflows. Process one frame, save or reuse the roll baseline, apply settings to selected frames, and export the batch as a ZIP or individual files.
What is batch film negative conversion?
Batch film negative conversion means using one consistent baseline across multiple frames from the same roll. Negative Converter lets you tune one image, save those settings, apply them to selected images, and export the whole set without uploading the scans.
This is useful because frames from the same roll usually share a film stock, scanner setup, light source, and color negative mask. A shared baseline saves time and makes the roll look more consistent.
Recommended batch workflow
- Add all scans from the roll with Select File, Select Folder, or Add.
- Pick a representative frame with normal exposure and a visible film border if possible.
- Crop, choose film type, set the orange mask, and adjust the image.
- Click Save Settings for the current image.
- Use Apply to Selected for frames that should share the baseline.
- Fine-tune outlier frames if exposure or scene lighting differs.
- Export all frames as a ZIP in the browser, or use the desktop app for individual batch export.
When to use a roll reference
Use a roll reference when the film stock and scanning light are consistent across the set. The reference is especially helpful for color negatives because it keeps the orange mask correction stable from frame to frame.
Do not force the same settings onto every frame if the roll includes very different scenes, mixed lighting, or frames with severe underexposure. Start with a shared baseline, then adjust problem frames individually.
Browser batch vs desktop batch
| Workflow | Best for | Export behavior |
|---|---|---|
| Browser app | Small and medium batches, quick roll review | ZIP export or individual downloads |
| Desktop app | Larger local workflows and repeated roll processing | Offline processing and individual batch export |
Batch conversion FAQ
Can Negative Converter batch convert a whole roll?
Yes. Negative Converter can load multiple scans, let you create a roll-level baseline from one representative frame, apply that baseline to selected images, and export the results as a ZIP in the browser.
When should I use the desktop app for batch conversion?
Use the desktop app for larger rolls, repeated local workflows, or when you prefer individual batch exports without relying on browser memory limits. The browser version remains useful for small and medium roll reviews.