Free single-purpose web tools — ad-free fullscreen for class
4.8(6)25TechnologyEntertainmentEducation
lans.cloud is a collection of 37 free single-purpose web tools. The classroom set — seating chart generator with keep-apart rules, fullscreen timer, random name picker, noise meter that never records, exam clock, spelling practice, reading fluency timer — all have genuinely ad-free fullscreen modes for projectors and smartboards. There are also crochet calculators (granny square blankets, yarn estimates), D&D dice and stat rollers with exact probability tables, Minecraft build calculators, fitness timers, and developer utilities.
Everything runs in your browser: no accounts, no sign-up, and class lists or student names never touch a server. The tools are free and ad-supported, but ads never appear in the fullscreen presentation modes and never interrupt the tools. Several tools (wheel, timers, scoreboard, noise meter) can be embedded into class websites with a copy-paste snippet.
- Project a seating chart with "keep these two apart" rules enforced automatically — reshuffle anytime without breaking them
- Run exam day on the smartboard: live clock, per-paper countdowns, one-click 25% extra-time rows for access arrangements
- Practice weekly spelling lists: the browser reads each word aloud, students type it, then re-drill only the missed words
- Manage centers/stations hands-free: a fullscreen rotation board that chimes and moves every group at zero
- Pick students, split fair teams, and time activities on a projector that never shows an ad — no logins, no student data stored
- Project a seating chart with "keep these two apart" rules enforced automatically — reshuffle anytime without breaking them
- Run exam day on the smartboard: live clock, per-paper countdowns, one-click 25% extra-time rows for access arrangements
- Practice weekly spelling lists: the browser reads each word aloud, students type it, then re-drill only the missed words
- Manage centers/stations hands-free: a fullscreen rotation board that chimes and moves every group at zero
- Pick students, split fair teams, and time activities on a projector that never shows an ad — no logins, no student data stored
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25Maker here 👋 I built these after seeing how many "free" classroom tools plaster ads across the projector the moment a teacher goes fullscreen. Everything runs client-side (student names never leave the device), works on any smartboard, and the seating chart generator handles the real-world rules — "these two cannot sit together" and "she needs the front row". Happy to answer anything, and requests are very welcome.
MPStorys
but will use in future.
Appreciate it, Larry — no rush. It'll be sitting there whenever a lesson needs it: no login, nothing to install, works on any smartboard. And if you ever reach for a tool that doesn't exist yet, that's exactly the kind of note I like getting.
Love the “many small, single-purpose tools” approach instead of one bloated platform. It feels lightweight, fast, and easy to adopt for teachers who don’t want to manage yet another login system. The mix of classroom utilities plus fun extras (like D&D dice, Minecraft calculators, and fitness timers) also makes it useful beyond school. One suggestion: it could be great to have a simple “starter pack” page for teachers, with recommended defaults (e.g., exam day setup, center rotation, spelling practice flow) so they can get value in under a minute. But overall, this is a thoughtful, privacy-conscious toolkit that respects both teachers and students.
You've put your finger on the whole bet — I'd rather ship a hundred tools that each do one thing cleanly than one platform that does everything with a login and a loading spinner. So thank you. And the "starter pack" idea is a good one — I'm writing it down properly. A single on-ramp with sane defaults ("exam day", "centre rotation", "spelling flow") so a teacher gets value before the bell, instead of hunting through the list, is exactly the front door the site is missing right now. Genuinely useful suggestion — noted and on the list.
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It's amazing, but will use in future.
Thank you! It'll be here when a lesson calls for it — nothing to sign into, and it runs the same on a laptop or a classroom projector. Whenever you get to it.
Independent maker building simple, practical tools for stressful everyday moments.
The privacy-first approach is especially valuable for classroom tools. Keeping student names and class lists entirely in the browser, while also removing ads from fullscreen presentation mode, addresses two real concerns for teachers. Have you considered adding multilingual interfaces for the spelling and reading tools?
You've named the exact two things I lose sleep over — names never leaving the device, and no ad ever landing on the projector mid-lesson. Thank you for seeing both. Multilingual is honestly the request I keep circling back to. Most of the people using the site are already outside the US, so localised spelling and reading tools would matter more than the interface chrome. The reason it isn't there yet is that I don't want to just machine-translate the labels — the spelling and reading tools lean on language-specific rules (phonics, reading levels), so doing it properly per language is the real work. It's high on the list, not shipped. Out of curiosity — which language would you reach for first? That's the kind of thing that decides what I build next.
This looks like a really thoughtful collection of classroom tools, especially the commitment to keeping fullscreen presentations completely ad-free. I'm curious—how do you decide which new tools to build? Do you gather feature requests directly from teachers, or do you identify common classroom workflows that could be simplified?
Both, but if I'm honest it starts with a third thing: I look at what teachers and kids actually type into a search box, and where the existing answers are bad. If the top results for a real need are ad-choked, broken on a phone, or want an account, that's a gap I can fill better — that's usually what tips a tool from "idea" to "built". Then direct requests steer the details. Every tool has a feedback button that comes straight to me, and I read all of it — the spelling tool grew a bigger word cap and an adjustable reading speed straight from one teacher's note after her student won a spelling bee with it. What I try not to do is build something just because I can; it only ships if there's a real question it answers better than what's already out there. https://lans.cloud/classroom-tools
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It's So nice to read through the feature of the app and its functionality.
Thank you, Samantha — that's kind. If you ever put one of them in front of a class or a colleague, the feedback button goes straight to me; I read every note.
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Maker here 👋 I built these after seeing how many "free" classroom tools plaster ads across the projector the moment a teacher goes fullscreen. Everything runs client-side (student names never leave the device), works on any smartboard, and the seating chart generator handles the real-world rules — "these two cannot sit together" and "she needs the front row". Happy to answer anything, and requests are very welcome
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The ad-free full-screen tools are exactly what educators need. No worrying about unexpected ads interrupting lessons or students getting distracted. Love that everything runs in-browser with zero setup required.
The ad-free fullscreen bit is the detail I'm quietly proudest of — the moment a teacher hits present, every ad, article and related-tools strip vanishes, because a surprise ad on the projector is the one thing that breaks the whole room. Zero setup was the other non-negotiable. Thanks for calling out both, Gal.
Ad-free fullscreen classroom tools solve a real presentation distraction.
Exactly that — a surprise ad mid-lesson is the fastest way to lose thirty kids' attention at once. That's why fullscreen strips everything but the tool. Cheers.
It looks like a useful product. how does it scale with time?
Good question — there are two kinds of scale here and they pull in opposite directions, which I like. The collection grows steadily (around a hundred tools now), because I only add one where there's a real unmet need, not to pad a number. But the load doesn't grow at all: every tool runs entirely in the visitor's browser, so there's no server doing the work and nothing to fall over — a spelling test for one kid or ten thousand costs exactly the same (nothing). The privacy promise scales for free too, because there's no central database to outgrow. https://lans.cloud
It looks like a useful product. how does it scale with time?
37 single-purpose tools is a smart structure - each one can rank for its own long-tail keyword instead of competing with the big all-in-one sites. The noise meter that never records is a thoughtful touch for classroom privacy, and ad-free fullscreen is exactly what teachers need on projectors. I build free browser tools too (PDF space), so genuinely curious: which of the 37 ended up driving the most organic traffic? It's usually not the one you expect.
Ha — you're right that it's not the one you'd expect. (It's grown past that count too — over a hundred tools now.) The runaway traffic winner isn't a classroom tool at all — it's a prank: the jumpscare link (lans.cloud/jumpscare-prank). "Jumpscare link" turns out to be a global-English query kids search everywhere — Indonesia, India, the Philippines, Turkey and Germany are all near the top — and it out-pulls everything else by a wide margin. The lesson I keep relearning from it: a winnable SERP beats big volume every time. The classroom tools have more "serious" demand, but those queries are contested by decade-old sites; the prank niche is a scatter of small pages, so a fast, honest one can take the top spot. Volume you can't rank for is worth nothing — a weird, uncontested query at position 5 is what pays the rent. PDF is a brutal space to play that game in — huge incumbents on every head term — so I'm genuinely curious which long-tails you've found air in. Good to meet another browser-tools maker.
its amazing
A great classroom environment often blends digital learning with hands-on creativity. While LANS Cloud helps teachers manage engaging lessons with practical browser-based tools, tactile activities like knitting and crochet can inspire calm, creative learning beyond the screen. Quality chenille yarn from https://bernatstore.com/bernat-chenille-yarn-2/ is an excellent choice for soft classroom projects, cozy blankets, and beginner-friendly crafts that encourage imagination and fine motor skills.
its amazing
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