High-contrast software that helps people & businesses move faster.
We publish lightweight privacy-first Android apps on Google Play, build 10 free instant browser utilities, and engineer custom mobile, web, POS, and AI systems with full source ownership.
Software engineered to grow revenue and save hours every day.
Whether you run a growing retail network, a startup launching a new SaaS platform, or an organization streamlining manual sheets, we engineer custom software around your exact workflow — with tailored pricing discussed openly around your goals.
Launch a Fast Mobile App Your Customers Open Daily
Put your brand directly on your customers' home screens. We engineer ultra-responsive Flutter & Kotlin mobile apps with push engagement, offline support, smooth checkout, and full Google Play & App Store approval.
- Complete custom-branded Android & iOS mobile app + full source code
- Smooth onboarding, push notifications & offline caching
- Full Google Play Data Safety & Account Deletion compliance portal
- Post-launch technical support directly from our core engineers
High-Converting Websites, SaaS Portals & Google SEO Engines
Your website should bring qualified leads while you sleep. We build instant-loading Next.js 16 web platforms, client dashboards, and booking/e-commerce systems engineered from day one to rank on Google, Bing, and AI search.
- Custom high-conversion website or SaaS web portal + admin control panel
- Complete Google/Bing technical SEO, Schema.org rich snippets & AIO setup
- Multilingual localization (English, বাংলা, Arabic & global markets)
- real server email notifications, analytics & security hardening
Automate Your Shop, Inventory, Billing & Due Ledger (POS & ERP)
Manage sales, barcode stock alerts, supplier purchases, staff access, customer due ledgers (বাকি হিসাব), and 58mm/80mm thermal or A4 receipts from your phone or counter PC — even when Wi-Fi goes out.
- Tailored POS, inventory & accounting system branded for your business
- Bluetooth thermal receipt + A4 GST/VAT invoice printing
- Daily profit/loss, low-stock alerts & encrypted backup export
- Staff role permissions & straightforward 1-day staff training
Save Team Hours with Custom AI Assistants & Document Automation
Put practical AI to work inside your business without risking private company data. We build 24/7 bilingual customer support bots, invoice/PDF OCR extractors, and internal AI copilots with strict cost controls.
- Custom trained AI assistant or automated document extraction pipeline
- Predictable API usage caps or Bring-Your-Own-Key cost control
- Human handoff workflow so complex leads go straight to your team
- Strict privacy guardrails keeping proprietary company records safe
Instant Web Tools for everyday work.
Open any utility instantaneously inside a popup modal workspace or visit its standalone page — 100% local in browser RAM.
QR Code Studio
Generate crisp custom-colored QR codes for URLs, Wi-Fi auto-connect, vCard business cards, WhatsApp links, and emails — export high-DPI PNG or infinite-scale SVG instantaneously in your browser.
Invoice & POS Maker
Create clean A4 client invoices or 80mm thermal POS receipts in BDT (৳), USD ($), EUR (€), GBP (£), or INR (₹) with automatic tax/discount calculation, live fountain-pen signature stamping, and instant PDF print.
Image Compressor
Shrink photo file sizes by up to 85% and convert between WebP, JPEG, and PNG locally inside browser RAM — inspect live Before vs After savings with zero server uploads.
Typewriter Desk
Tactile mechanical typewriter with swinging typebar physics, synthesized acoustic keystrokes, 5 ink ribbons, 4 paper stocks, Avro phonetic বাংলা input, fountain-pen signature stamping, and aged-paper JPG/PNG export.
Policy Generator
Choose from 6 visual policy designs, 1-click auto-fill presets, custom Platforms/SDKs/Compliance rules, upgraded Sign Here studio, and instant export to index.html, .md, .doc & PDF.
JSON & TS Studio
Validate, prettify, sort keys, minify payloads, inspect object metrics, and automatically generate strict TypeScript interfaces from any JSON snippet in milliseconds.
Proven Mobile Apps trusted daily.
Lightweight, privacy-first Android software engineered for speed, offline reliability, and real-world productivity.
NexAI — Multi-LLM & Offline AI Workspace
Zero-custody Android AI suite unifying OpenRouter, Groq, Gemini, DeepSeek, and offline quantized GGUF/ONNX models inside one fast interface — keeping chat history in local SQLite and API keys inside hardware AES-256-GCM storage.
- Cloud multi-LLM streaming + offline local GGUF/ONNX inference
- Hardware Keystore AES-256-GCM Bring-Your-Own-Key (BYOK) vault
- Deterministic 12-language on-device safety moderation
DocQR Tools — PDF, AI OCR & QR Suite
Complete mobile document studio combining local PDF merge, split, compression, password lock, batch QR/Barcode generation, ephemeral TLS 1.3 AI document intelligence, and optional cloud history sync.
- 3-mode privacy model: 100% Local, Ephemeral TLS 1.3 AI, or Opt-in Sync
- PDF merge, split, compress, watermark & password protection
- High-speed camera QR/Barcode scanner & custom designer
DocQR Tools Lite — Ultra-Light Offline Suite
Engineered under 20 MB for instant cold starts on any Android phone: 22+ completely offline PDF, image compression, OCR, and QR/Barcode tools with zero user accounts and zero cloud uploads.
- Compact <20 MB APK footprint built for speed on all hardware
- 22+ local PDF, image compression & QR utilities offline
- Android Scoped Storage & Photo Picker privacy protection
NexBiz — Offline POS, Inventory & Billing
100% offline serverless business operating system for shops and merchants: stock alerts, customer due ledgers (বাকি হিসাব), cashbook analytics, and A4 + 58mm/80mm Bluetooth thermal receipt printing with zero ads.
- Private sandboxed local Isar database — zero cloud lock-in
- Bluetooth 58mm/80mm thermal POS & A4 PDF invoice printing
- Strictly zero ads, zero analytics trackers, zero telemetry

Bengal Heroes — Bilingual History & BCS Quiz
Curated bilingual (English & বাংলা) historical archive of Bengal's pioneers, scientists, writers, and freedom fighters — with offline reading, competitive BCS & university quizzes, and quote-card export.
- Offline bilingual (English & বাংলা) historical biographies
- Daily competitive BCS & general knowledge leaderboard
- Instant in-app & web account deletion (#delete-account)
Engineered in Bogura, shipping worldwide.
Bengal Bytes Software Studio
24.8465° N, 89.3779° E
Core Android, Next.js 16 & Local-First AI product engineering studio.
Have an idea to streamline or expand your business?
Skip middlemen and agency fluff. Talk directly with the software engineers building your mobile app, web platform, AI workflow, or POS system.
How can Bengal Bytes help grow, automate, or expand my business?
We design and build practical software tailored to real business outcomes: mobile apps that keep your customers coming back, ultra-fast Next.js websites that rank on Google and generate leads, offline-capable retail POS & inventory systems that prevent lost sales, and AI automation pipelines that save weekly staff hours. Share your workflow on /contact and our core engineers reply within 24 hours.
What mobile apps and free browser tools does Bengal Bytes publish?
We publish 5 free Android apps on Google Play (NexAI, DocQR Tools, DocQR Lite, NexBiz Offline POS, and Bengal Heroes) plus 10 instant zero-signup browser utilities (QR Studio, Invoice & POS Maker, Image Compressor, Typewriter Desk /wrting, PolicyForge /privacy-generator, JSON/TypeScript Studio, Markdown Studio, Password Generator, Word/SERP Counter, and UUID/Hash Toolkit).
Do I have to pick a fixed budget package to discuss a custom project?
Not at all. Every business is different — whether you need a quick turnkey rebrand, a single workflow tool, or a full multi-platform product. On /contact you can describe your goal directly without fixed budget boxes, and we propose clear, transparent options tailored to your stage.
How does Bengal Bytes handle user privacy and Google Play store compliance?
Every Bengal Bytes product is built privacy-first. All 10 web tools run 100% inside your browser RAM with zero server uploads, NexBiz POS stores 0 bytes in the cloud, NexAI keeps chat logs in local SQLite with hardware AES-256 BYOK encryption, and every mobile app has a Google Play compliant privacy & #delete-account portal.
Where is Bengal Bytes located, and do you work with international clients?
Our studio headquarters is in Bogura, Rajshahi Division, Bangladesh (24.8465°N, 89.3779°E), and we serve users and business clients worldwide across English, বাংলা, Arabic, Spanish, and Hindi.
