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Code Peek+

Code Peek+ is a macOS utility that upgrades Finder Quick Look for source files with syntax highlighting, markdown rendering, and rich file thumbnails.

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Platform: macOS 14.0+

Category: Developer Tools

Price: Free

Built For: Developers

Core Details

PlatformmacOS 14.0+
CategoryDeveloper Tools
PriceFree
LanguageEnglish

What It Does

In Finder, when you press Space for Quick Look, the app displays source code files with syntax highlighting. It also provides colorful Finder thumbnails for supported files.

Setup Flow

  1. Open the app and finish the setup screen
  2. Tap Open Extension Settings and enable Preview + Thumbnail extensions in System Settings
  3. Select theme and font, then Save and Close
  4. In Finder, press Space on any supported file

Version

1.0.0

Features

  • Syntax-highlighted source code preview
  • Markdown render (headings, bold, lists, links)
  • Jupyter Notebook (.ipynb) text render
  • TSV/TAB files rendered as tables
  • Finder thumbnail preview for file icons
  • 8 themes: VS Code Dark+, Dracula, Nord, Solarized Dark, Solarized Light, GitHub Dark, GitHub Light, System Adaptive
  • Custom color palette with per-token color controls
  • Font options: System, SF Rounded, Serif, Monospaced, Menlo, Monaco, Courier
  • Font size range: 11-26pt
  • Light/Dark/System mode support

Supported File Extensions

Source Code

swift h c cpp js jsx tsx vue less scss py java go rs rb r php sh cs kt kts kotlin dart pl jl f90 m mm objc wxml wxss ux

Data and Configuration

json yaml yml toml xml html css sql gradle iml list properties

Documentation

md markdown

Special

ipynb tsv tab

Not Supported (by design): ts txt

What People Are Saying

"Nice idea. Quick Look is one of those macOS features that feels underused, and syntax-highlighted previews for source files make a lot of sense there. The notebook and TSV preview support seems like a good addition too. Will definitely try it out! ^^"

Ce
Center2055Reddit User

"Really nice work, and thank you for keeping it free!"

Bl
Black-PizzaClaw676Reddit User

"Just installed and it works. Nice app"

if
iftttalertReddit User

"works perfectly out of the box. amazing. I would thinking of doing something similar, not now. :) ... love it."

On
One-Tea8742Reddit User

"Your app is exactly what I've been looking for."

Ch
ChainsawJaguarReddit User

"I was getting tired of QL Markdown nag screens, so thanks for this; it is simpler and cleaner!"

Ms
MstormerReddit User

"Finally, a good Quick Look for code that actually feels native. Super helpful for quick bug fixing without opening the whole IDE."

Ch
Choi-raReddit User

"Oh wow! This is really cool! ... Seems like something that should've been implemented already into MacOS"

Ja
JayKayDude123123Reddit User

"Nice idea. Quick Look is one of those macOS features that feels underused, and syntax-highlighted previews for source files make a lot of sense there. The notebook and TSV preview support seems like a good addition too. Will definitely try it out! ^^"

Ce
Center2055Reddit User

"Really nice work, and thank you for keeping it free!"

Bl
Black-PizzaClaw676Reddit User

"Just installed and it works. Nice app"

if
iftttalertReddit User

"works perfectly out of the box. amazing. I would thinking of doing something similar, not now. :) ... love it."

On
One-Tea8742Reddit User

"Your app is exactly what I've been looking for."

Ch
ChainsawJaguarReddit User

"I was getting tired of QL Markdown nag screens, so thanks for this; it is simpler and cleaner!"

Ms
MstormerReddit User

"Finally, a good Quick Look for code that actually feels native. Super helpful for quick bug fixing without opening the whole IDE."

Ch
Choi-raReddit User

"Oh wow! This is really cool! ... Seems like something that should've been implemented already into MacOS"

Ja
JayKayDude123123Reddit User

"Nice idea. Quick Look is one of those macOS features that feels underused, and syntax-highlighted previews for source files make a lot of sense there. The notebook and TSV preview support seems like a good addition too. Will definitely try it out! ^^"

Ce
Center2055Reddit User

"Really nice work, and thank you for keeping it free!"

Bl
Black-PizzaClaw676Reddit User

"Just installed and it works. Nice app"

if
iftttalertReddit User

"works perfectly out of the box. amazing. I would thinking of doing something similar, not now. :) ... love it."

On
One-Tea8742Reddit User

"Your app is exactly what I've been looking for."

Ch
ChainsawJaguarReddit User

"I was getting tired of QL Markdown nag screens, so thanks for this; it is simpler and cleaner!"

Ms
MstormerReddit User

"Finally, a good Quick Look for code that actually feels native. Super helpful for quick bug fixing without opening the whole IDE."

Ch
Choi-raReddit User

"Oh wow! This is really cool! ... Seems like something that should've been implemented already into MacOS"

Ja
JayKayDude123123Reddit User

"Nice idea. Quick Look is one of those macOS features that feels underused, and syntax-highlighted previews for source files make a lot of sense there. The notebook and TSV preview support seems like a good addition too. Will definitely try it out! ^^"

Ce
Center2055Reddit User

"Really nice work, and thank you for keeping it free!"

Bl
Black-PizzaClaw676Reddit User

"Just installed and it works. Nice app"

if
iftttalertReddit User

"works perfectly out of the box. amazing. I would thinking of doing something similar, not now. :) ... love it."

On
One-Tea8742Reddit User

"Your app is exactly what I've been looking for."

Ch
ChainsawJaguarReddit User

"I was getting tired of QL Markdown nag screens, so thanks for this; it is simpler and cleaner!"

Ms
MstormerReddit User

"Finally, a good Quick Look for code that actually feels native. Super helpful for quick bug fixing without opening the whole IDE."

Ch
Choi-raReddit User

"Oh wow! This is really cool! ... Seems like something that should've been implemented already into MacOS"

Ja
JayKayDude123123Reddit User

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