Quick answer
Paste titles (one per line) to get clean slugs right away: lowercase, no accents, words joined with hyphens, e.g. “How to Compress JPG Images” becomes “how-to-compress-jpg-images”. You can cap the length without cutting a word in half, drop filler words like “the, of, and”, or use underscores.
What is a URL slug?
A slug is the readable last part of a URL, like “image-compressor” in congcunhanh.com/en/image-compressor/. Short, descriptive slugs tell people what a page is about before they click and are a small signal for search engines. Accented characters in URLs get percent-encoded into strings like “%C3%A1”, so the common convention is to strip accents and join words with hyphens. This tool does that for a whole list of titles at once, and it handles Vietnamese (đ → d, all tone marks) correctly.
How to create slugs
- 1
Paste one or more titles into the box, one per line.
- 2
Choose the separator (hyphens are recommended), a maximum length if your CMS has one, and tick “Drop filler words” for shorter slugs.
- 3
Press “Copy” next to a slug, or “Copy all” when you have several to paste into a spreadsheet.
How titles are processed
| Title | Slug | Rule |
|---|---|---|
| Đà Nẵng in Summer | da-nang-in-summer | Strip accents, đ → d, lowercase |
| Top 10 Coffee Shops! | top-10-coffee-shops | Keep numbers, drop symbols and punctuation |
| C++ & Node.js for Beginners | c-node-js-for-beginners | Special characters become one separator, never doubled |
| Don't Panic | dont-panic | Apostrophes are removed so words stay whole |
| Budget Travel 🚀 Tips | budget-travel-tips | Emoji are dropped |
Hyphen or underscore?
| Separator | Example | Use it when |
|---|---|---|
| Hyphen - | how-to-cook-pho | Web URLs: Google recommends hyphens to separate words |
| Underscore _ | how_to_cook_pho | Variable names, internal file names or existing product codes |
Examples
A blog post
“A Guide to Choosing a Laptop for Students and Workers” with “Drop filler words” becomes “guide-choosing-laptop-students-workers”: shorter but still meaningful.
A product catalogue
Paste 200 product names, one per line, then “Copy all” and paste into the URL column of your spreadsheet for a bulk import.
A CMS with a 60-character limit
Set the maximum to 60: the slug stops at the last whole word that fits instead of being cut mid-word.
Common problems
- Changing the slug of a page that already gets traffic.
- The old URL will return 404. If you must change it, add a 301 redirect from the old slug to the new one.
- Slugs that contain a whole sentence.
- Keep 3–6 key words; use “Drop filler words” and a length limit.
- Two posts with the same slug.
- Add a distinguishing word (a year, a place) rather than letting the CMS append “-2”.
- The slug comes out empty.
- A title made only of emoji or symbols has no letters or digits left; add a few descriptive words.
Why URLs should avoid accents
Modern browsers can display accented characters in the address bar, but when a link is copied or shared it is usually percent-encoded: “đường” becomes “%C4%91%C6%B0%E1%BB%9Dng”. The link gets long, hard to read and easy to break in messages and emails.
Lowercase, accent-free slugs joined with hyphens avoid all of that and behave the same on every platform. It's also how Công Cụ Nhanh names its own URLs.
Glossary
- Slug
- The descriptive part of a URL, lowercase, without accents, words joined by hyphens.
- Permalink
- The permanent URL of a post; the slug is its last part.
- Stop word
- A frequent word with little meaning such as “the”, “of”, “và”; dropping them shortens slugs.
- 301 redirect
- Tells browsers and Google that a page has moved permanently to a new address.
Frequently asked questions
Do slugs affect SEO?
Slightly: a clear slug helps people and search engines understand the page, but the page content matters far more.
How long should a slug be?
Usually 3–6 words and under about 60 characters; the tool can enforce a limit without splitting words.
Can I keep capital letters?
Yes, untick “All lowercase”. URLs are case-sensitive, though, so lowercase avoids duplicates.
Can I create many slugs at once?
Yes, one title per line, and the results keep the same order.
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