Every developer tool you need.
In one offline app.

Format JSON, decode tokens, test regex, compare text, hash strings, and convert data locally, without accounts or tracking.

Available on macOS, Windows, iPadOS and Linux

$5.99 one-time · all 120+ tools · no subscription

DevT Pro Dark Mode
DevT Pro Light Mode

Why Developers Love It

Built for the way you actually work

Command Palette in DevT Pro

Command Palette

Hit ⌘P and type to reach any of the 120+ tools in milliseconds. No mouse, no menus. Your hands stay on the keyboard where they belong.

⌘P 120+ tools Instant search
Keyboard First in DevT Pro

Keyboard First

Navigate and operate entirely with your keyboard. Every tool is accessible without touching the mouse, keeping your workflow fast and efficient.

Zero mouse Full key-nav Shortcuts
Tab-Based Workflow in DevT Pro

Tab-Based Workflow

Work on multiple tasks simultaneously. Open JSON in one tab, run a regex test in another, generate UUIDs in a third.

Multi-task Side-by-side Switch fast
Pro Code Editor in DevT Pro

Pro Code Editor

Syntax highlighting, Code Folding, and an interface your fingers already know. Every input field is a proper editor, not a plain textarea.

Syntax highlighting Code folding Find & replace

The Toolbox

Everything in one place

From parsing to cryptography; if you do it regularly, it's already here.

Converters 46 tools
JSON ↔ CSV JSON ↔ YAML JSON ↔ XML YAML ↔ TOML CSV ↔ TSV
Code Generators 19 tools
JSON → TypeScript JSON → Swift cURL → Python cURL → Rust cURL → Go
Encoders & Decoders 13 tools
Base64 URL Encode/Decode JWT Decoder HTML Entity Hex/ASCII
Cryptography 3 tools
Hash Generator Encryption SHA-256 AES-256 RSA KeyGen
Date Utilities 4 tools
Timestamp Age Calc Date Diff World Clock Calendar
Utilities 11 tools
UUID/ULID Regex Tester Cron Parser Diff Viewer Color Converter
Validators & Formatters 13 tools
JSON Validator XML Validator YAML Validator JSON Formatter XML Minifier
Viewers & Previewers 9 tools
JSON Viewer CSV Viewer HTML Preview Markdown Preview YAML Viewer
QR Code 2 tools
QR Generator QR Reader Wi-Fi QR vCard QR Batch QR

Questions

Before you download

How much does DevT Pro cost?

$5.99, paid once on the Mac App Store, App Store or Microsoft Store, or as a one-time license key on Linux, where the app installs from Flathub or the Snap Store. That includes all 120+ tools, with no in-app purchases, no ads and no account.

Is this a subscription?

No. $5.99 is a one-time purchase and includes future updates. There is nothing to renew and nothing to cancel.

Does it work offline, and what data is collected?

Every tool runs locally on your device, so the app works with no internet connection. There is no account, no telemetry, no analytics and no network calls.

What tools are available?

DevT Pro includes 120+ developer utilities across converters, formatters, encoders, validators, cryptography, code generation, QR tools, viewers, and more. Some of the popular tools are:

How does DevT Pro compare to other dev tools?

Factual comparisons of DevT Pro with popular developer toolbox apps, covering tools, workflow, platforms, privacy and pricing:

Available On

Your stack, your platform

Every tool on every platform for $5.99. One time, no subscription.

macOS

Requires macOS 13 or later. Apple Silicon + Intel support.

Windows

Requires Windows 10 or 11. x86 + ARM (Emulated) support.

Linux New

Available as a Flatpak or a Snap. x86_64 support.

Zero data collected. Ever.

DevT Pro is 100% offline. No account needed. No telemetry. No network calls. Your code, your secrets, your data, process everything locally and keep it that way.

No Internet Required No Account Needed No Analytics No Telemetry

Get Started

120+ tools.
One developer toolbox.

DevT Pro for Mac, Windows, iPad, or Linux. $5.99 One time.

Latest: v8.0 · What's New →