01 / BUSINESS TOOLS
Make business simpler.
ArthoKhata brings stock, sales, and everyday business into one place, even offline.
Independent team. Connected thinking.
Thoughtful software.
For the way you work.
We build practical software, AI tools, and connected systems. From ArthoKhata to ContextBridge, every product starts with a real need.
PLENIXAR / THE PRODUCT STUDIOSoftware · AI · IoT
A conversation, ready for its next chapter.
✳A new product ideaSample conversation2 messages
The useful parts. Kept together.2 / 2
conversation.md EXPORT PREVIEW
## You How should we start a new project? ## Assistant Start with the problem, then build with purpose.
.md.json.txt
Everything your business needs to keep moving.
Less friction.
More business.
InventoryA clearer view of what’s in stock.
Sales & profitKeep the day’s work in perspective.
Your languageEnglish and বাংলা, built in.
Interactive product illustration · sample conversationTwo products. One engineering mindset. ↗
01 / THE PLENIXAR APPROACH
Built at Plenixar.
Made for real needs.
Our work spans small-business software, tools for AI conversations, and connected systems. Different challenges, with practical engineering behind each one.
02 / AI UTILITIES
Take your ideas further.
ContextBridge makes selected AI conversations portable, so useful context can go with you.
03 / IOT & CLOUD
From device to cloud.
Our engineering spans embedded devices, digital interfaces, and the infrastructure connecting them.
02 / MADE AT PLENIXAR
Our ideas.
Out in the world.
Small details. Real utility.
Products we wanted to exist, so we built them.
ArthoKhataSmall business.
A clearer picture.
Meet ArthoKhata. An offline-first inventory and sales app that puts products, sales, and profit in one place, even when the internet isn’t.
Get ArthoKhata on Google Play01 / THE DASHBOARDA little clarity.
A little clarity.
A better day.
See your sales, stock, and business overview without getting lost in the details.
English বাংলাOn your device.
In your control.
In your control.
Actual app screen · Select to enlargeBuilt for the everyday. ↗
ContextBridgeKeep the context.
Move the idea forward.
ContextBridge makes useful AI conversations portable. Choose the loaded messages you want to keep, then take them with you as Markdown, JSON, or plain text.
Add ContextBridge to ChromeA SIMPLE WAY FORWARD. No account. No upload.02 / REVIEW YOUR CONTEXT
Keep the parts that matter.
Choose messages below. The export updates as you go.
EXPORT PREVIEWconversation.md
## You
How should we start a new project?
## Assistant
Start with the problem, then build with purpose.Interactive illustration · sample content onlyPrivate. Portable. Yours. ↗
Your conversations stay local. No account or backend is needed to export.
Bring the context, not the clutter. Exports include messages currently loaded on the supported AI website.
03 / WHAT WE BRING
Different disciplines.
One connected approach.
From the interface to the infrastructure.
We think about the whole system.
01Digital products
Clear interfaces and dependable engineering for the tools people use every day. We build for the web, mobile, and the systems behind them.
02AI & intelligent systems
Models, data pipelines, and automation shaped around a real problem. We connect research with practical applications.
03Connected technology
Bring physical devices and digital services together, with embedded firmware, cloud architecture, and thoughtful integration.
CONNECTED BY DESIGN
PLENIXAR
Built around people.
Software
Intelligence
Devices
PLENIXAR04 / HOW WE WORK
Clarity at every step.
01↗
Ask the right questions.
Understand the people, the problem, and what a better outcome looks like.
02↗
Build with intention.
Connect design and engineering. Make each decision serve the product.
03↗
Refine the details.
Test, listen, and improve. Give the small things the attention they deserve.
05 / PEOPLE, NOT JUST PIXELS
Three perspectives.
One shared standard.
Engineers. Builders. A team.
Based in Dhaka, building with purpose.
01 /Ashraf Hamid Mojumder
CEOChief Executive Officer
Strategic vision, product direction, and business development.
02 /Abdur Rahman Faisal
CTOChief Technology Officer
Engineering systems, technical architecture, and development.
03 /Hujayfa Bin Jamal
MDManaging Director
Operations, partnerships, and the standards behind every project.
Independent by nature. Collaborative by choice.EST. 2026 / DHAKA, BD
LET’S BUILD SOMETHING USEFULHave a good idea?
Have a good idea?
Let’s make it useful.
A first idea, a complex challenge, or a better way to do something.
We’d like to hear it.