A bulk URL generator example typically shows a single URL template such as https://example.com/page-{n}, paired with start, end and step values that the generator expands into a newline-separated list of finished addresses. With the template https://example.com/page-{n}, start 1, end 5, step 1, the output is page-1, page-2, page-3, page-4 and page-5 — one URL per line, ready to copy into a sitemap draft, a crawler seed list or an import file. The generator only handles arithmetic expansion and URL grammar; it does not fetch the resulting addresses and does not promise they exist. Every example on this page comes from settings the Bulk URL Generator accepts today: an absolute HTTP or HTTPS template with the literal {n} marker, inclusive bounds, a directional step, optional zero padding and a hard ceiling of 10,000 lines. Reading one worked example is often faster than reading the specification, so the rest of the article walks through seven reusable patterns and the constraints that apply to all of them.
Anatomy of a Bulk URL Generator Example
Every bulk URL generator example has four moving parts, and recognizing them is the fastest way to read or write a new one.
- The template — an absolute HTTP or HTTPS URL containing the literal {n} at every spot where a number should change. At least one {n} is required.
- The bounds — inclusive start and end integers. The generator visits start, advances by step, and stops at the last value that has not yet passed end.
- The step — a safe whole number whose sign must agree with the direction of travel. A positive step moves from a lower start toward a higher end; a negative step moves from a higher start toward a lower end.
- Optional padding — a minimum digit count from zero through twelve. Padding 3 renders 5 as 005 and -5 as -005; existing wider numbers are not truncated.
A useful trick: {n} may appear more than once in the same template. Putting it both in a path segment and in a query string lets one sequence drive two positions in the same URL, which is handy when a paginated asset expects a matching id= parameter alongside its slug.
URL Pattern Templates You Can Reuse
The table below pairs a template shape with the typical use case and a sample output line. Each row corresponds to one configurable pattern; only the bounds, step and padding change between runs.
| Pattern shape | Typical use case | Sample output line |
|---|---|---|
| https://example.com/page-{n} | Blog or archive pagination | https://example.com/page-7 |
| https://example.com/{n}/posts | Year-based archive (2018–2024) | https://example.com/2023/posts |
| https://cdn.example.com/img-{n}.jpg | Sequenced image filenames with padding | https://cdn.example.com/img-0042.jpg |
| https://example.com/product/{n}?id={n} | Same number in path and query | https://example.com/product/12?id=12 |
| https://api.example.com/v1/records/{n}/export | Numbered API resource paths | https://api.example.com/v1/records/88/export |
| https://example.com/old/{n} | Descending list of legacy URLs | https://example.com/old/100 |
Only {n} is a numeric placeholder. Mixing letters or words into the pattern means designing one template per word, since the generator expands one arithmetic sequence per run.
How to Build a Bulk URL List Step by Step
The workflow below applies to every example further down the page and keeps the output reproducible.
- Open the Bulk URL Generator and paste an absolute HTTP or HTTPS template into the template field, placing {n} where the changing number belongs. For example, https://example.com/page-{n}.
- Set the inclusive start and end values. For a typical paginated archive starting at page 1 and ending at page 50, that is start 1 and end 50.
- Pick a step that moves in the correct direction. Ascending lists use a positive step such as 1; descending lists use a negative step such as -2.
- Choose optional zero padding if the receiving system expects fixed-width identifiers. Padding 4 turns 7 into 0007; padding 0 leaves the value as written.
- Generate a short sample first — typically the first and last few URLs — and inspect them. Confirm the first URL matches the expected pattern and that the last URL sits where you intended.
- Run the full generation, then copy the newline-separated result or download it as a file. The list is ready for a sitemap draft, an import file or a controlled HTTP checker.
Keep the source template alongside the exported file. When the underlying naming rule changes — a new year, a wider ID range, a different padding — the same template regenerates the new list without reverse-engineering the finished output.
Seven Worked Examples With Real Templates
Each example below names the template, the bounds, the step and the padding, then lists the exact first and last URLs that the generator returns.
1. Simple ascending pagination
Template https://example.com/blog/page-{n}, start 1, end 10, step 1, padding 0. First URL: https://example.com/blog/page-1. Last URL: https://example.com/blog/page-10. Total: 10 URLs.
2. Year-based archive
Template https://example.com/{n}/posts, start 2018, end 2024, step 1, padding 0. First URL: https://example.com/2018/posts. Last URL: https://example.com/2024/posts. Total: 7 URLs.
3. Descending list of legacy URLs
Template https://example.com/old/{n}, start 100, end 1, step -1, padding 0. First URL: https://example.com/old/100. Last URL: https://example.com/old/1. Total: 100 URLs.
4. Zero-padded image filenames
Template https://cdn.example.com/img-{n}.jpg, start 1, end 500, step 1, padding 4. First URL: https://cdn.example.com/img-0001.jpg. Last URL: https://cdn.example.com/img-0500.jpg. Total: 500 URLs.
5. Repeated placeholder in path and query
Template https://example.com/product/{n}?id={n}, start 1, end 20, step 1, padding 0. First URL: https://example.com/product/1?id=1. Last URL: https://example.com/product/20?id=20. Total: 20 URLs.
6. Negative numbered sequence
Template https://example.com/delta/{n}, start -5, end 5, step 1, padding 2. First URL: https://example.com/delta/-05. Last URL: https://example.com/delta/05. Total: 11 URLs.
7. Non-divisible range with worked count
Template https://example.com/skip/{n}, start 1, end 6, step 2, padding 0. The generator produces https://example.com/skip/1, https://example.com/skip/3 and https://example.com/skip/5 — it does not invent a 6. Worked count: (6 − 1) ÷ 2 = 2 with remainder 1, integer part 2, then + 1 = 3 URLs total. This predictable stopping behavior is what makes non-divisible ranges safe to copy into a fixed budget.
Limits That Shape Every Example
Five hard limits apply to every run, regardless of pattern. Knowing them up front prevents surprises when a long archive or a wide ID range is in play.
| Limit | Value | Why it matters |
|---|---|---|
| Maximum output lines | 10,000 URLs per run | A reversed or extreme range cannot allocate an unexpectedly large list |
| Maximum template length | 4,000 characters | Keeps the page responsive and the pattern auditable |
| Padding range | 0 through 12 digits | Covers common filenames and identifiers without unreasonable width |
| Step value | Safe whole number | Decimal, infinite or unsafe integer inputs are rejected |
| Accepted URL schemes | http, https only | Other schemes and embedded credentials fail validation |
Decimal, infinite or unsafe integer inputs are rejected because repeated floating-point addition could otherwise create surprising identifiers or an incorrect count. If a range does not divide evenly into the step, the generator stops at the last value that has not yet passed end — never rounding up to fabricate a final entry.
What Bulk URL Generation Does Not Verify
Generation proves two things only: that the arithmetic sequence was computed correctly and that each substituted value parses as a syntactically valid absolute URL under the WHATWG URL Standard. The tool does not crawl, open, fetch or test any of the generated addresses. A list can be 100% valid grammar and still be useless because the pages do not exist, return 404, redirect unexpectedly, sit behind authentication, carry noindex directives or duplicate content that already lives at canonical URLs.
Three practical consequences follow from that boundary:
- The tool is safe for staging fixtures and test data, but a real launch requires a separate controlled HTTP checker to confirm that each address responds and is indexable.
- Submitting the generated list to a search engine is only sensible when the URLs correspond to real, useful pages. Patterned addresses that point at placeholder content do not earn SEO value and can waste crawl budget.
- Pair the template with the exported file in your documentation. When the underlying naming rule changes, regenerate from the same template rather than reverse-engineering a finished list.
For real SEO work, generation is the deterministic list-building step — useful for paginated paths, numbered assets, year or ID ranges, test fixtures and import files where a simple arithmetic sequence matches the actual naming rule. Open the Bulk URL Generator, paste one of the templates above and generate a short sample first so the first and last URLs match your intent before scaling up.
If you're weighing options, How to Find Sitemap URLs in Your Browser covers this in detail.