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★ About us
Dev toolbox + AI reference for Vietnamese developers
TopDev is where VN devs look up AI & programming terms, use browser-based tools, and read honest tool reviews — free, no signup.
Why we built this
Vietnamese devs juggle a dozen separate sites — JSON formatter here, JWT decoder there, regex tester elsewhere — and AI documentation only exists in English or stiff machine-translations. TopDev pulls it all together, in plain Vietnamese.
1
✍️
Browser-only tools
JSON, JWT, regex, SQL, CSS… all 100% client-side. Data never leaves your browser. Works offline.
2
🚀
Fast-moving AI reference
Model launches (Claude, GPT, Gemini) explained within 24-48h. Terms include code examples, not just definitions.
3
🎯
Built for VN devs
VN-specific tools (Gross/Net salary, PIT, loan). Reviews list VND pricing and availability in Vietnam.
What you'll find
📚
AI glossary
Fast lookup of 30+ core terms: RAG, Token, Embedding, Agent, MCP...
Explore →
🛠
Dev toolbox
60+ tools that run in your browser: JSON, JWT, regex, SQL, CSS, token counter, prompt builder, VN salary calc…
Explore →
⭐
Tool reviews
Honest comparisons of Claude, ChatGPT, Gemini, Cursor... with regional pricing.
Explore →
📝
Blog
Step-by-step guides, AI news, real-world workflow case studies.
Explore →
Roadmap
Currently at Phase 1+ (MVP). Each phase's goals:
- Phase 1 ✓ Done
MVP: 60+ dev tools · AI glossary · i18n · Pagefind search
- Phase 2 ⏳ In progress
Growth: 150 tools · 200 terms · Dev guides · Newsletter
- Phase 3 ○ Planned
Community: Comments · Tool submissions · API · GitHub OSS
- Phase 4 ○ Planned
Monetize: Dev tool affiliates · Sponsorships · Courses
Frequently asked questions
What is TopDev?
TopDev is a dev toolbox + AI reference built for Vietnamese developers: 60+ browser-based tools (JSON, JWT, regex, SQL, CSS…), an AI & programming glossary, and honest tool reviews. Hand-written, not machine-translated. Note: TopDev (topdev.com.vn) is a dev toolbox — distinct from topdev.vn, the IT jobs portal.
Is TopDev free?
Yes. All content and tools on topdev.com.vn are completely free. No signup required.
Can I contribute?
Absolutely! Send topic suggestions, fixes, or pitches to hello@topdev.com.vn. Site source is open source on GitLab.
How often is the site updated?
At least 2-3 new terms or 1 new article per week. When a major model launches (Claude, GPT, Gemini), we publish an explainer within 24-48 hours.
Is content AI-generated?
No. All content is hand-written. We may use AI to help with spell-check or structure, but every sentence is reviewed by a human editor.
Do tools send data to a server?
No. All 60+ tools run 100% in your browser — JWT, JSON, regex, SQL, salary, prompt builder. Test it: turn off your network, the tools still work.
Contact & contribute
Topic suggestions, bug reports, or want to write for us?
✉️ Email ushello@topdev.com.vn
