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Free developer toolkit — ship faster, zero friction
Developer Tools
Built for Speed & Accuracy.
A free toolkit for developers, freelancers, and businesses. Format JSON, decode JWTs, test APIs, calculate taxes, and generate invoices — fast, free, and privacy-conscious.
35+ Tools
ready to use
5 Categories
dev, web, business & more
No Sign-up
free to use
Why DevTool House?
Everything you need, nothing you don't. A focused toolkit that respects your time and your data.
Instant Results
Tools are built for fast results. Some run directly in your browser; the rest are processed on our servers in milliseconds.
Private by Design
No account required. Ordinary tool inputs are not retained after processing, and features that store data temporarily say so.
Developer-First UX
Keyboard-friendly, dark-mode by default, copy-to-clipboard everywhere. Built by developers, for developers.
Always Free
All 35+ tools are free, with no premium tiers or hidden costs. Fair-use limits keep the service fast for everyone.
Explore the Toolkit
From JSON formatting to Pakistan tax calculations — there's a tool for every task.
New Feature
Meet DevSavr — Cross-Device Sharing
Paste text or upload files on your laptop and instantly access them from your phone or any other device. No account, no permanent storage, no complexity. Open a room, share a code, and start transferring.
1
Create a Room
Click "Create Room" and get a unique 6-character code like A3K-9MP.
2
Share the Code
Type the code on your other device — or scan the QR code from your phone.
3
Start Sharing
Send text snippets and files. Everything syncs in real time across all devices.
Instant Room Codes
Create a room, get a 6-character code, share it — done. No signup, no login.
Real-Time Sync
Text and files appear instantly on all connected devices via WebSockets.
File Transfer
Upload images, documents, and code files up to 100 MB. Download on any device.
Auto-Expiring Sessions
Rooms auto-expire in 5–60 minutes. No data lingers — privacy by default.
QR Code Sharing
Scan a QR code from your phone to join a room instantly — no typing needed.
Temporary by Design
Rooms and files delete on expiry. Transfers use HTTPS, but are not end-to-end encrypted.
Try DevSavr Now
Free · No signup · Rooms auto-expire
New: WishBox
Birthday & Eid wishes that open like a surprise
Make a free animated surprise with their name, your photos and music, then share one link on WhatsApp. No signup, ready in two minutes — or copy one of 550+ ready-made wishes.
Birthday wish link
They open a gift, see their name in fireworks, blow out the candles and read your letter.
Eid Mubarak card with name
They swipe the clouds away to find the moon, then open an Eidi envelope with your note.
Eid ul Adha card
They light the lanterns one by one until the night glows, and the blessings are shared.
How It Works
Three steps. No signup. No config. Just results.
01
Choose a Tool
Browse 35+ tools across 5 categories — developer, web & API, business, Pakistan-specific, and productivity.
02
Enter Your Input
Paste your code, JSON, text, or numbers. Each tool has a clean, distraction-free interface.
03
Get Instant Results
Results are returned in milliseconds. Copy the output, download it, or use it directly in your workflow.
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Free Tools
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Free, Forever
Loved by Developers
Trusted daily by developers and freelancers across Pakistan and beyond.
“I use the JSON Formatter and JWT Decoder every single day. It's faster than any VS Code extension and works everywhere.”
Asad M.
Full-Stack Developer
“The Freelance Tax Estimator saved me hours of manual calculation. Finally a tool that understands Pakistan's tax structure.”
Fatima K.
Freelance Developer, Karachi
“The API Request Tester is a lifesaver when Postman feels too heavy. Clean UI, instant results, no setup required.”
Usman R.
Backend Engineer
“I use the Invoice Generator for every client. The print-ready preview is professional and my clients love it.”
Sara T.
UI/UX Designer & Freelancer
“DNS Lookup, Headers Checker, Website Status — all in one place. This replaced 3 different browser tabs for me.”
Bilal H.
DevOps Engineer
“The Markdown Editor preview is beautiful. I write all my blog posts here now before pasting them into WordPress.”
Nadia A.
Content Writer & Blogger
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Start Using DevTool House Today
35+ tools. Zero signup. Works instantly. Start building faster right now.
Frequently Asked Questions
Everything you need to know about DevTool House.