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Nymos

AI-powered bulk file renamer for macOS that suggests descriptive filenames from document content with user approval.

$9/mStarting price
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About Nymos

Nymos is a macOS application that uses AI to rename files in bulk based on their content. It reads 57 file types including PDFs, Office documents, Pages files, photos, and text files, using built-in OCR for scanned documents. The tool suggests descriptive filenames that follow patterns you can define with templates, such as date, type, vendor, and amount fields. The workflow is designed around user control: Nymos analyzes files and suggests new names, but nothing is renamed without your approval. You can review suggestions, undo changes with Command-Z, and track the full history of every rename operation. A watch folder mode can monitor directories like Downloads and automatically suggest names for new arrivals. Nymos offers two pricing models. The managed plan runs AI processing on EU-based servers for $9 per month with 400 documents included, while the self-managed option is a $79 one-time purchase where you connect your own AI provider key from Anthropic, OpenAI, Gemini, or other OpenAI-compatible endpoints. The free trial includes 60 documents with no account or credit card required. Content is processed and then discarded, with no permanent storage or model training.

Key features

  • AI-powered filename suggestions from file content
  • Supports 57 file types including PDFs, Office docs, and scanned images
  • Built-in OCR for scanned documents
  • Custom naming templates with live preview
  • User approval required before renaming
  • Undo changes with Command-Z
  • Full history tracking of rename operations
  • Watch folder mode for automatic suggestions
  • Two pricing models: managed and self-managed

Use cases

  • Bulk renaming of invoices and receipts for accountants
  • Organizing downloaded files in a watch folder
  • Sorting and labeling documents by content for small business owners

Frequently asked questions about Nymos

What does Nymos actually do?

Nymos reads the content of files such as PDFs, Office documents, photos, and text files, then suggests clear, descriptive filenames based on the extracted information. Users review each suggestion before applying it, ensuring no automatic renaming occurs.

Which file types can Nymos read?

Nymos supports 57 file types, including PDFs (with built-in OCR for scans), Word, Excel, PowerPoint, Pages, Numbers, Keynote, OpenDocument, HEIC photos, plain text, Markdown, CSV, and video or audio files named from metadata.

Will Nymos ever rename a file without my approval?

No. Nymos never renames files automatically. Even in watch folder mode, it only prepares suggestions that require user review before any changes are made.

Does Nymos move or reorganize my files?

No. Nymos only renames files in place, leaving folder structures and file locations unchanged.

Which languages does Nymos support for filenames?

By default, Nymos names files in the language detected in the content, such as Dutch for 'factuur' or German for 'Rechnung.' Users can also standardize filenames to English, Dutch, or Spanish.

How does the watch folder feature work?

The watch folder mode monitors directories like Downloads and automatically analyzes new files, suggesting names that users can review and approve before applying.

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