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MP4toMP3
Web · Utility
A fast, free, privacy-friendly online converter — turn video files into clean MP3 audio right in the browser.
Visit mp4tomp3.io
Product studio · est. 2026
We craft digital products, one at a time.
Karigor — কারিগর, the artisan — is a small studio building a growing family of web and mobile apps. Language learning, finance, everyday utilities. Made with care, shipped for real people.
6Products live & in progress
4+On the workbench
∞Ideas in the queue
The workshop
Products in progress
A cross-section of what we're actively building and running — across web, API, and mobile.
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ISMS
Web · Business
Inventory & Sales Management System powering haatbd.com — auth, validation, and a robust API behind inventory and sales operations.
Visit haatbd.com
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Speaking Club
Mobile · Language
Practise spoken English with real conversation partners and AI-powered feedback — a friendly club to build fluency and confidence.
Visit speakingclub.karigor.org
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Halal Scanner
Mobile · Utility
Scan food products to check halal compliance against a versioned, transparent rule set — clarity for everyday shopping.
View project
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TOEIC Practice
Web · Language
TOEIC Listening & Reading mock-test platform with personalised study plans, a rich question bank, and full timed exams.
Visit toeic.ai
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Meshpalok
Mobile · Finance
A mobile-first financial tracker for small livestock farms — expenses, income, and investments organised per program (Dairy / Fattening).
Visit meshpalok.karigor.orgOn the workbench
Coming soon
Early-stage products taking shape in the studio. New tools land here as they mature.
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Driving Test
Web · Learning
Guided practice for the driving-licence theory test — question banks, mock exams, and progress tracking to help learners pass with confidence.
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Daanbox
Web · Social good
A giving platform designed to make everyday charitable donations simple, transparent, and trustworthy. More details soon.
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Marketing Automation
Web · Growth
Hands-off marketing — automated campaigns, audience segmentation, and multi-channel outreach that runs on its own. More details soon.
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Muthophone
Mobile · Communication
A new communication product taking shape in the studio. More details soon.
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And more
Studio · R&D
The queue is never empty. We're always prototyping the next useful thing — have an idea worth crafting? We'd love to hear it.
The studio
Built the way an artisan works
Karigor means artisan. It's not just a name — it's how we approach every product we ship.
01 Made to last
Real architecture, tests, and monitoring behind every app — not throwaway demos.
02 Small & sharp
Focused products that do one thing genuinely well, then earn the right to do more.
03 People first
We build for the person on the other side of the screen — farmers, learners, everyday users.
04 Ship & refine
Get it into real hands, listen, and keep polishing. A craft is never quite finished.
Have something worth crafting?
Partnerships, ideas, or just curious about what we're building — the door's open.
Say hello