CloneWeb alternatives: the free tool and the paywall

CloneWeb turns a reference URL into a build brief free, then sells a prompt library behind it. Here is the one minute check to run on any tool like it.

One glass panel holding a detailed colour-block layout with two near- identical copies of it receding into black behind, softening as they go, lit indigo and rose
What went in, and what arrived. The gap is the only thing worth testing.

Paste a reference URL into CloneWeb and it returns a build brief, free, once per device. The output is long, organised into a dozen or more labelled sections, and ends with acceptance criteria. Generated briefs run from roughly 7,000 to 18,000 characters.

Before you decide what that is worth, run the check below. It takes under a minute and it applies to every tool in this class, including any future one of ours.

The one minute check#

Give it a hostname that does not exist.

A tool that actually fetched the page cannot describe a page that was never served. So whatever comes back for a dead hostname is the tool's own writing, produced from the string you typed.

Put a nonsense domain into CloneWeb and this is what comes back:

  • HTTP 200, and a complete 2,051-word brief in about 45 seconds.
  • An opening sentence that is honest about the situation: it says the domain is not publicly known and tells the builder to work from a generic modern business website.
  • A dozen labelled sections after that, reading exactly like a brief written from a real page.

That result is not a verdict on the company. It is a calibration. It tells you which half of the output came from the reference and which half came from the average a model reaches for when nobody decides, and that is the only fact you need before pasting anything into a builder.

The second check, on a page you know#

Run the tool on a page whose values you can read yourself, then diff it. The things worth comparing, in order:

CheckWhat to look for
Coloursthe page background and link colours, as hex values
Typethe font stack that actually loaded, and the heading size
Measurethe container width, in pixels
Copyheadings and link text that appear on the page, verbatim
Inventionsections in the brief that do not exist on the page

That last row is the one to weight. A brief that adds a pricing toggle, a testimonials carousel and a trust badge to a page that has none of them will lead your builder somewhere confidently wrong, and a brief that misses the page's dominant element will miss the only thing worth rebuilding.

A large frosted glass panel whose upper half holds a bright saturated layout while its lower half is sealed behind an opaque darker band
The top half is visible. The bottom half is the part you would be buying blind.

What the free tool is for#

One generation per device, held by a fingerprint cookie with a one year life. That is a well judged meter, and it is worth saying so plainly: enough to evaluate the writing, not enough to do a job with.

What it leads to is a paid prompt library, and that is where the money is, the same as at the rest of the paid prompt libraries.

The paywall behind it#

Numbers only, all of them on their own pages.

  • The library holds at least 255 distinct prompts. Nineteen of the first twenty items on the front page are gated and one is open.
  • The ladder is $29 a month, $19 a month billed yearly at $228, or $399 once for lifetime against a struck-through $799.
  • Credits come in packs at $49 for 2,000, $99 for 6,000 and $199 for 20,000, spent at five credits per prompt, a rate that agrees across the pack copy, the FAQ and the checkout.
  • Credits expire after 365 days, with no roll-over.
  • Refunds require two conditions at once: within three calendar days, and no more than 100 credits used.

Work out your own unit price before the annual plan tempts you. Five credits a prompt against a 2,000 credit pack is 400 prompts, and 400 is more than the library holds. That $399 lifetime sits at the top of what this category charges.

The library prompt is real#

The open sample is worth reading, because it is implementation grade rather than descriptive. It runs about 1,300 words and names an exact stack, exact utility class strings, entrance delays at 100ms, 220ms, 340ms and 460ms, an intersection threshold of 0.15, a scroll interpolation constant of 0.1, and a device pixel ratio cap of 2.

It also hosts its own media and puts the exact URLs in the prompt, which solves the hardest problem in a motion brief: a brief with no assets cannot produce a motion site.

The idea worth taking from them is the last block. Their briefs end in acceptance criteria, a numbered list the output is measured against. That one habit is the cheapest quality upgrade available in this whole category, because it is what makes an AI builder iterate instead of drift.

The alternatives, by shape and by price#

The field here is not the prompt sellers. It is the tools that read a page.

ShapeHow it reads the pagePrice
Browser extensionthe rendered page in your own browserfree to about €69 once
Open source pipelinevaries, run locallyfree
Hosted servicefetched server side$15 to $40 a month

The going rate for the capability alone is close to zero, which tells you what it is: an acquisition surface, not a product.

One architectural difference decides accuracy more than price does. An extension reads the page after JavaScript has run, so it sees resolved custom properties and the fonts that actually loaded. A server side fetch sees the document that arrived, which on a modern site is frequently not the page.

What a brief has to carry, whoever writes it#

This is the gap none of these tools closes, and it is the reason a token dump disappoints.

  1. Section order and rhythm. Which section carries the weight, what the vertical spacing between them is, and what gets cut.
  2. A responsive strategy. Not a breakpoint list. What the display size resolves to at phone width, and what reflows rather than shrinks.
  3. Motion with real values. A named curve, a duration in milliseconds, a stagger, and a reduced-motion fallback that changes something.
  4. Acceptance criteria. The list you check the output against before you call it done.

Colours and spacing steps read off a reference are raw material. Direction is the thing that turns them into a page somebody chose, and it is what Thanor writes: nine blocks, exact values, a type scale, motion curves with durations, and the section by section structure, in one brief you paste whole into the builder you already use.

See what that looks like. Then run the one minute check on anything else you were about to pay for.

Questions this raises

Is CloneWeb free to use?

The brief generator gives one generation per device, held by a cookie with a one year life. That is enough to evaluate the output and not enough to work with. The prompt library behind it is paid, with one open sample among the first twenty items.

How do I test whether a URL to brief tool really read the page?

Give it a hostname that does not exist. A tool that fetched the page cannot describe one, so anything confident that comes back was written from the domain name. The check takes under a minute and it works on every tool in this class.

What does CloneWeb cost?

$29 a month, $19 a month billed yearly at $228, or $399 once for lifetime. Credit packs run $49 for 2,000, $99 for 6,000 and $199 for 20,000, at five credits per prompt. Credits expire after 365 days with no roll-over.

What are the alternatives to a hosted cloning tool?

Three shapes. Browser extensions that read the rendered page, which run from free to about 69 euros once. Open source pipelines, free. Hosted services that fetch server side, at roughly $15 to $40 a month. The going rate for the capability alone is close to zero.

Is a token dump the same as a build brief?

No. Colours and spacing steps read off a page are raw material. A brief turns them into direction: a section order, a responsive strategy, motion timing with real durations, and acceptance criteria the output can be checked against.

Part of

Alternatives, measured

Every library in this category, taken apart one at a time. What each one contains, what it costs, what it leaves out, and what you still have to decide yourself.