The Developer Toolbox
You Always Wanted
20+ essential developer tools in one beautiful desktop app. Fast, offline, and designed for the way you work.
20+ Tools, One App
Everything you need for daily development tasks. No more jumping between browser tabs.
Text / Code(15 tools)
CSV Compare
Compare CSV files side by side with diff highlighting
Base64
Encode and decode Base64 strings instantly
Text Diff
Compare text with syntax-highlighted differences
ASCII / HEX
Convert between ASCII, Hex, and Binary
Base58 / 32 / Hex
Encode and decode using Base58, Base32, and Hex
URL Encode
URL encode and decode text instantly
JSON / Python
Convert between Python dict and JSON
Lorem Ipsum
Generate placeholder text for your projects
Text Statistics
Analyze word count, characters, and more
Code Formatter
Format JSON, YAML, SQL, XML, HTML, CSS and more
Markdown Editor
Write and preview Markdown in real-time
AsciiDoc Editor
Edit AsciiDoc with live preview
JSON / YAML / XML
Convert between data formats seamlessly
TOON Converter
Convert data to and from TOON format
JWT Debugger
Decode, verify, and encode JSON Web Tokens
CSV Compare
Compare CSV files side by side with diff highlighting
Base64
Encode and decode Base64 strings instantly
Text Diff
Compare text with syntax-highlighted differences
ASCII / HEX
Convert between ASCII, Hex, and Binary
Base58 / 32 / Hex
Encode and decode using Base58, Base32, and Hex
URL Encode
URL encode and decode text instantly
JSON / Python
Convert between Python dict and JSON
Lorem Ipsum
Generate placeholder text for your projects
Text Statistics
Analyze word count, characters, and more
Code Formatter
Format JSON, YAML, SQL, XML, HTML, CSS and more
Markdown Editor
Write and preview Markdown in real-time
AsciiDoc Editor
Edit AsciiDoc with live preview
JSON / YAML / XML
Convert between data formats seamlessly
TOON Converter
Convert data to and from TOON format
JWT Debugger
Decode, verify, and encode JSON Web Tokens
Time(4 tools)
Timestamp
Convert Unix timestamps to human-readable dates
Timezone
Convert times across different timezones
Date Formatter
Format dates in various patterns and locales
Cron Parser
Parse and explain cron expressions
Timestamp
Convert Unix timestamps to human-readable dates
Timezone
Convert times across different timezones
Date Formatter
Format dates in various patterns and locales
Cron Parser
Parse and explain cron expressions
Media(5 tools)
EXIF Viewer
Extract and view image metadata
Image Converter
Convert images between formats (PNG, JPG, WebP, etc.)
Color Picker
Pick and adjust colors with visual controls
Color Converter
Convert between HEX, RGB, HSL, and more
YouTube
Download videos and extract transcripts
EXIF Viewer
Extract and view image metadata
Image Converter
Convert images between formats (PNG, JPG, WebP, etc.)
Color Picker
Pick and adjust colors with visual controls
Color Converter
Convert between HEX, RGB, HSL, and more
YouTube
Download videos and extract transcripts
Why Developers Love PrimeUtils
Built by developers, for developers. Every detail matters.
Lightning Fast
Native desktop app built for speed. No waiting for web requests.
Works Offline
All tools work locally on your machine. No internet required.
Privacy First
Your data never leaves your computer. Process sensitive files safely.
Beautiful UI
Designed for developers who appreciate good aesthetics.
Mac Optimized
Designed for a great experience on macOS.
Regular Updates
New tools and features added frequently based on feedback.
Latest Release
See what's new in the latest version of PrimeUtils.
v0.5.0
LatestDecember 7, 2025Added
- •TOON Converter - convert between TOON format and JSON/YAML/XML/CSV
Ready to Boost Your Productivity?
Join thousands of developers who use PrimeUtils every day. Download for free and see the difference.