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OmniPreview
Source code, browser and 29 file formats in mac QuickLook
OmniPreview extends macOS Quick Look with 29 renderer plugins, letting you preview source code, configs, archives, SQLite databases, certificates, GeoJSON and more directly in Finder. The free version covers everyday developer formats, while Pro adds syntax highlighting, rendered Markdown, AI/ML file inspection (GGUF, safetensors, NumPy) and an interactive 3D viewer. Native Swift, sandboxed, zero dependencies, optimized for Apple Silicon.
Pressing Space in Finder on a .py, .yaml or .zip gives you nothing useful.
OmniPreview fixes that.
**What's free:**
- Source code preview — 50+ languages detected (Swift, Python, JS, Go, Rust,
Shell, SQL, TypeScript, Kotlin, C/C++, and many more) displayed as clean,
readable text — including extensionless files
- Config files — YAML, INI, CFG, TOML, XML, JSON get a structured readable view.
YAML even detects Kubernetes, Docker Compose and GitHub Actions patterns.
- ZIP / TAR / 7z / DMG / ISO — Finder-style file tree (name, size, date)
without extracting anything. Safe against zip bombs.
- Folder browser — same Finder-style tree for any directory
- SQLite schema, row counts, table list — no app needed
- X.509 certificates (PEM, DER, PKCS#12), GeoJSON, Torrent metadata
**What's Pro:**
- Syntax highlighting with colors (keywords, strings, comments, types, functions)
- Rendered Markdown (headings, tables, code blocks) instead of raw text
- GGUF / safetensors / NumPy inspection
- Interactive 3D viewer (STL, OBJ, PLY, USDZ)
- Office, eBook, media, VM disk, GPU texture renderers
Native Swift. Zero dependencies. Apple Silicon optimized. Sandboxed.
This is a hobby project — Pro is €5 one-time (lifetime license), just enough to
cover update costs and time spent writing new renderer plugins. No subscriptions.
If there's a format you need and it's not listed, drop a comment — I add formats
based on what people actually ask for.
GitHub: https://github.com/Invernomut0/Q...
Download: https://github.com/Invernomut0/Q...
About OmniPreview on Product Hunt
“Source code, browser and 29 file formats in mac QuickLook”
OmniPreview was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #8 on the daily leaderboard. OmniPreview extends macOS Quick Look with 29 renderer plugins, letting you preview source code, configs, archives, SQLite databases, certificates, GeoJSON and more directly in Finder. The free version covers everyday developer formats, while Pro adds syntax highlighting, rendered Markdown, AI/ML file inspection (GGUF, safetensors, NumPy) and an interactive 3D viewer. Native Swift, sandboxed, zero dependencies, optimized for Apple Silicon.
On the analytics side, OmniPreview competes within Productivity, Open Source and GitHub — topics that collectively have 765.5k followers on Product Hunt. The dashboard above tracks how OmniPreview performed against the three products that launched closest to it on the same day.
Who hunted OmniPreview?
OmniPreview was hunted by Lo. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of OmniPreview including community comment highlights and product details, visit the product overview.
Lo