# RnBulkTools

> Remove backgrounds. Convert anything.

RnBulkTools is a free online bulk background remover and file converter powered by AI.

## Tools

- [Bulk Background Remover](https://rnbulktools.top/BulkBackgroundRemove): Remove backgrounds from up to 5 images at once using AI (ISNet model). Supports JPG, PNG, WEBP, BMP. Returns transparent PNGs. Free tier: 10 images per 2 hours.
- [Bulk File Converter](https://rnbulktools.top/BulkConverter): Convert images, videos, and audio files in bulk. Supports 20+ formats including JPG, PNG, WEBP, GIF, TIFF, MP4, AVI, MOV, MKV, WEBM, MP3, WAV, AAC, FLAC, OGG, M4A. Cross-format conversion supported (e.g. MP4 to MP3).

## Plans

- Free: 10 operations per 2 hours, no signup required
- Starter ($4/mo): 100 operations per 2 hours
- Ultimate ($9/mo): Unlimited operations, priority processing, developer API access

## Developer API

Ultimate plan includes API access with key authentication. Endpoints:
- POST /remove-bg — remove background from a single image (multipart file upload, returns PNG)
- POST /remove-bg-retry — enhanced removal with alpha matting for hair/fur edges
- POST /convert — convert a file to target format (multipart file upload + target_format field)
- Authentication: X-API-Key header with rnr_ prefixed key
- Rate limit: 60 requests/minute, 5000 requests/month

## Links

- Homepage: https://rnbulktools.top
- App: https://rnbulktools.top/app
- Background Remover: https://rnbulktools.top/BulkBackgroundRemove
- File Converter: https://rnbulktools.top/BulkConverter

## llms-full.txt

For complete API documentation see [llms-full.txt](https://rnbulktools.top/llms-full.txt)