Show HN: Curlo – Search sound libraries with natural language, on-device AI
Curlo is a native macOS app that uses on-device AI to search audio files by natural language descriptions. It offers semantic and metadata search, tagging, UCS classification, and a local API, all without needing internet or uploading files. Pricing includes free and pro tiers.
Native macOS App
Find Any Sound, Instantly.
Curlo is an AI-powered, native macOS app that finds sounds from simple descriptions. Its AI runs entirely on your Mac, so you can search in seconds without internet or uploading your audio.
Download on Mac App Store Tutorials
Powerful Features
Everything you need to search, organize, and manage your audio library — all running locally on your Mac.
Semantic Search
Search your audio files by describing what you want in natural language. No need to remember exact filenames or tags.
Metadata Search
Search through audio file metadata including filename, description, category, and other embedded information.
Metadata Writing
Edit and write back metadata directly to your audio files. Keep your library organized with rich, searchable information.
Similar Audio Search
Find audio files that sound similar to a reference file. Perfect for finding variations and alternatives.
Tags
Create custom tags and organize your audio assets with a flexible tagging system for quick filtering.
UCS Classification
Organize sound effects using the Universal Category System — the industry standard for sound libraries.
Local API
Integrate Curlo with your existing workflow through a local API. Build custom tools and automate your pipeline.
Privacy First
No cloud services required. All computation and AI models run locally on your Mac.
Simple Pricing
Start free, upgrade when you need more power.
Free
Semantic Search
Metadata Search
Tags & UCS Classification
Up to 5,000 indexed files
PRO
$39.9 /year Save 44%
Everything in Free
Metadata Writing
Local API
Similar Audio Search
Unlimited indexed files
Priority support
∞
$99 one-time
Everything in Pro
All future updates
No recurring payments
Roadmap
Curlo will keep improving around audio asset organization, editing handoff, and local production workflows. These are the areas currently planned or under evaluation.
Planned
Metadata from library files
Parse companion PDF, CSV, and similar files from sound libraries to complete titles and descriptions automatically.
Planned
Template-based renaming
Add more flexible renaming rules with template-style naming for rendered or exported assets.
Planned
Duplicate file detection
Detect duplicate assets in your audio library to clean up redundant files and reduce library size.
Exploring
Open in DAW
Explore DAW handoff options that fit macOS and App Store requirements.
Exploring
Speech content support
Evaluate speech recognition, search, and management workflows alongside the performance impact of local models.
Compatibility
CapCut drag-and-drop compatibility
Track CapCut's macOS permission behavior and look for a more reliable import path.