AI
AI — 100 Deep-Dive Guides
From how LLMs work to building RAG, fine-tuning open models, agents, MCP, safety and the road to 2030 — our full AI library, plain-English and 2,500+ words each.
Explore AI Blog 4 Free Apps · 49 Tools · 141 Guides
Your Next Door to
tech that actually helps.
Build an ATS-safe CV in minutes, draw flowcharts & UML in your browser, run 49 free calculators & dev tools, ask QnAPe (our AI Q&A) anything, and dig into 141 plain-English guides — plus expert IT services when you need a team.
Need a team? See our IT services
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Free Tools
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Plain-English Guides
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Free Apps
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Projects Shipped
Pick Your Door
Six doors. One next door.
Whatever you need — build, draw, learn, ask, or hire — pick a door and step in.
CV Builder
ATS-safe resume in 5 minutes — runs in your browser.
Build now
Draw
Flowcharts, UML, ER & mind maps — 100% in your browser.
Open Draw
49 Free Tools
Calculators, minifiers, dev utilities & WhatsApp helpers.
Open tools
QnAPe
AI Q&A — ask anything, get instant answers.
Try it
141 Guides
Plain-English deep-dives — AI, finance & tech.
Read
IT Services
Web, Android, marketing & UI/UX — when you need a team.
Hire us
New — CV Builder
Build an ATS-friendly resume in minutes
Pick a template, fill the form, see a live preview, and export to PDF, DOCX, or JSON. 100% free, no signup, runs in your browser.
New · Free
CV / Resume Builder
Build a clean, ATS-safe resume in 5 minutes. Pick a template, fill the form, watch the live preview, and export. Everything runs in your browser — no signup, no uploads, your data never leaves your machine.
ATS-safe single column
Live preview as you type
Multiple templates
Live ATS Score & fixes
Export PDF, DOCX, JSON
100% private — in browser
New — Draw
Free online diagram editor
Build flowcharts, UML, ER diagrams and mind maps right in your browser. No signup, nothing uploaded — save native .und files and export SVG, PNG, JPEG, or PDF.
New · Free
Draw — Diagram Editor
A free, browser-based alternative to drawio. Drag from a 76-shape palette, auto-route edges, manage multi-page documents, and switch between light and dark themes. Runs entirely offline in the browser — nothing is uploaded.
Flowcharts, UML, ER, mind maps
76-shape drag-to-create palette
Multi-page documents
Undo / redo with history
Save .und · export SVG/PNG/JPEG/PDF
100% private — runs offline
Free Tools
49 Tools — Finance, Dev, Minifiers & WhatsApp
35 financial calculators · 3 dev utilities · 7 minifiers · 4 WhatsApp helpers. 100% free, no signup, use them right away.
Investment
SIP, Lumpsum, MF, SWP, Step Up SIP
Savings & Schemes
PPF, EPF, FD, RD, NSC, SSY, SCSS
Loans & EMI
EMI, Home Loan, Car Loan, Flat vs Reducing
Tax & Salary
Income Tax, GST, TDS, HRA, Salary, Gratuity
Retirement & Pension
Retirement, NPS, APY
Returns & Trading
ROI, CAGR, XIRR, Inflation, Brokerage, Margin
Dev Tools
JSON Formatter, Live Code Compiler, JWT Decoder
Minifiers
HTML, CSS, JS, JSON, XML, SVG, SQL
WhatsApp Tools
Link Generator, Message Formatter, QR Code, Number Validator
Our Product
Meet QnAPe
An AI-powered Q&A platform — ask anything, get instant, accurate answers.
AI Powered
QnAPe
Context-aware conversations powered by advanced language models. Whether you're debugging code, researching a topic, or seeking quick insights — QnAPe delivers precise answers in seconds.
Instant Answers
Code Understanding
Multi-language
What We Do
Services We Offer
Need a team to ship it for you? We do web, Android, marketing, and design — AI-driven and built for scale.
Web Development
Modern, responsive websites and web applications built with cutting-edge technologies.
Learn MoreAndroid Development
Native and cross-platform mobile apps that deliver seamless user experiences.
Learn MoreDigital Marketing
Data-driven marketing strategies that increase visibility, drive traffic, and convert leads.
Learn MoreUI/UX Design
User-centered design that blends aesthetics with usability for delightful experiences.
Learn MoreTestimonials
What Our Clients Say
Real feedback from real people we've helped succeed.
Ur Next Door transformed our online presence completely. Their web development team delivered a stunning, fast website ahead of schedule.
The free financial calculators are incredibly well-built. I use the SIP and income tax tools every month — simple, accurate, and the blog guides actually explain what the numbers mean.
Their free developer tools are a daily part of my workflow. The JSON formatter alone has saved me countless hours of debugging.
Latest Insights
From Our Blog
Plain-English guides across AI, finance, and code — 141 deep-dives covering everything from LLMs and RAG to SIPs and JWT, written to help you actually decide.
Finance
Finance — 38 Calculator Guides
SIP, EMI, PPF, FD, Income Tax, GST, NPS and more — every finance calculator paired with an in-depth, worked-example guide that actually explains the numbers.
Explore Finance BlogTech
Tech — APIs, HTTPS, JSON & More
No-jargon developer explainers covering the fundamentals — what an API really is, how HTTPS works, JWT, JSON vs XML, and the rest of the everyday tech stack.
Explore Tech BlogFAQ
Frequently Asked Questions
Quick answers to common questions about our services.
Six things, behind six doors: (1) CV Builder — a free ATS-safe resume builder that runs in your browser; (2) Draw — a free in-browser diagram editor for flowcharts, UML, ER & mind maps; (3) 49 free tools — 35 financial calculators, 3 dev utilities, 7 minifiers, and 4 WhatsApp helpers; (4) QnAPe — our AI-powered Q&A platform; (5) a blog with 141 plain-English guides across AI, finance, and tech; and (6) expert IT services — web development, Android, digital marketing, and UI/UX design.
Yes, completely free with no signup. Draw is an in-browser diagram editor for flowcharts, UML, ER diagrams and mind maps. Drag from a 76-shape palette, auto-route edges, manage multi-page documents, undo/redo, and switch between light and dark themes. Save native
.und files or export to SVG, PNG, JPEG, or PDF. It runs entirely in your browser — nothing is uploaded.Yes to both. The CV Builder is 100% free with no signup, and it runs entirely in your browser — your resume data never leaves your machine and isn't uploaded anywhere. Pick a template, fill the form, watch the live preview, see your live ATS score with suggested fixes, and export to PDF (ATS-safe or designed), DOCX, or JSON.
Yes — completely free, no signup, no account. All 49 tools (3 dev utilities, 7 minifiers, 4 WhatsApp helpers, 35 financial calculators) and the CV Builder are free to use right away. Most tools run client-side in your browser, so your inputs aren't sent to any server.
Developer tools (JSON Formatter, Live Code Compiler, JWT Decoder), 7 minifiers (HTML, CSS, JS, JSON, XML, SVG, SQL), 4 WhatsApp helpers (link generator, message formatter, QR code, number validator), and 35 financial calculators across investment (SIP, lumpsum, mutual fund), savings (PPF, FD, RD, NSC, SSY, SCSS), loans (EMI, home loan, car loan), tax (income tax, GST, TDS, HRA), retirement (NPS, APY), and trading (brokerage, margin, XIRR, CAGR).
QnAPe is our AI-powered Q&A platform, live at qnape.com. Ask any question in natural language and get instant, context-aware answers — whether you're debugging code, researching a topic, or seeking quick insights.
141 plain-English guides across three areas: 100 AI deep-dives (how LLMs work, RAG, fine-tuning open models, agents, MCP, AI safety, the road to 2030), 38 finance guides paired with our calculators (SIP, EMI, PPF, FD, NPS, income tax, GST, XIRR), and a growing tech section (APIs, HTTPS, JWT, JSON vs XML). Every AI post is 2,500+ words and written to actually help you decide. Read at blog.urnextdoor.com.
You can reach us via email at urnextdoor.company@gmail.com, WhatsApp at +91 7250381271, or through our contact form on the Contact page. We typically respond within 24 hours.