Is there an official Google limit on URL length?

No. Google has said URL length by itself isn't a ranking factor. The ~75-100 character figure this tool flags against is a commonly-cited practical guideline, not a rule enforced by search engines, aimed at keeping URLs easy to read, share, and paste without wrapping or getting cut off in a UI.

Why does this tool show two different lengths for the same URL?

Character length counts Unicode characters; byte length counts the bytes those characters take up once UTF-8 encoded. Plain ASCII characters (letters, digits, most punctuation) take one byte each, so the two numbers match for an all-ASCII URL, but an accented letter, a CJK character, or an emoji in a URL slug can take two to four bytes each, so byte length grows faster than character length once non-ASCII text is involved.

What's an actual hard limit browsers or servers enforce, versus this guideline?

Real technical limits are much higher than the SEO guideline: Internet Explorer historically capped at 2,083 characters, most modern browsers and servers comfortably handle 8,000+ characters, and many web servers cap total request-line length somewhere in the low tens of thousands of characters. This tool's ~75-100 char flag is about shareability and readability, not about avoiding a browser error.

Does a longer URL directly hurt my SEO rankings?

Not directly. Very long URLs are more often a symptom of an underlying issue, like deeply nested category paths, redundant folder names, or a pile of query parameters, than a direct cause of a ranking problem. Shorter, cleaner URLs tend to correlate with better rankings mostly because they're also easier to read, remember, and link to.

URL Length Checker - Character & Byte Length, Part Breakdown

Overview

Introduction

A URL that looks fine in an address bar can still be awkward once it's pasted into a chat message, printed on packaging, or displayed in a search result snippet, where extra length means wrapping, truncation, or just looking cluttered.

This tool parses a URL with the browser's native URL constructor, reports its length two different ways, and breaks it into the parts (protocol, host, path, query string, fragment) that usually explain where the length is actually coming from.

What Is URL Length Checker?

A URL analyzer that reports character length, UTF-8 byte length, and a part-by-part breakdown for any absolute URL you paste in.

It flags the total length against the commonly-cited ~75-100 character guidance for SEO-friendly URLs, while being explicit that this is practical guidance, not an official or enforced limit.

How URL Length Checker Works

The pasted URL is parsed with the native URL constructor, which both validates that it's a well-formed absolute URL and splits it into protocol, host, pathname, search, and hash.

Character length is simply the string's length; byte length is computed by UTF-8 encoding the string with TextEncoder and counting the resulting bytes, which is what actually differs once the URL contains non-ASCII characters.

When To Use URL Length Checker

Before publishing a new page's URL slug, to see whether it's landing in a length range that's easy to share and read at a glance.

When a URL contains accented characters, non-Latin script, or emoji and you want to know how much longer it is in bytes than it looks in characters.

Often used alongside URL Canonicalizer, Meta Tag Generator and Canonical URL Checker.

Features

Advantages

Reports both character and byte length instead of just one, which matters once a URL contains non-ASCII text.
Breaks the URL into parts so you can see at a glance whether the length is coming from the path, an oversized query string, or elsewhere.
Is explicit that the ~75-100 char flag is practical guidance, not an official Google limit, instead of presenting it as a hard rule.

Limitations

This tool only measures and describes a URL; it doesn't shorten it, suggest a specific replacement slug, or check whether the URL actually resolves.
It requires a well-formed absolute URL (with a protocol); relative paths or bare domains without a scheme will return a validation error rather than a partial measurement.

Examples

A concise product URL

Input

https://example.com/shoes/running/mens-trail-runner

Output

Character length: 51
Byte length (UTF-8): 51
Guidance: good (within ~75 characters)
Protocol: https
Host: example.com
Path: /shoes/running/mens-trail-runner
Query: (empty)
Fragment: (empty)

An all-ASCII URL has identical character and byte length, and comfortably fits the ~75 character good range.

Best Practices & Notes

Best Practices

Favor a short, descriptive path over one that stacks every category level (site.com/category/subcategory/sub-subcategory/product) when a flatter structure would still be clear.
Keep tracking or session parameters out of the canonical, shareable version of a URL; a query string full of tracking params is a common cause of an otherwise reasonable URL becoming very long.

Developer Notes

Byte length is computed with new TextEncoder().encode(url).length rather than url.length because JavaScript string length counts UTF-16 code units, which already diverges from both display characters (for surrogate pairs like emoji) and from UTF-8 byte count; TextEncoder gives the actual wire-transfer byte count, which is the number that matters for anything that has a byte-based limit (HTTP request line length, some database column limits, etc.).

URL Length Checker Use Cases

Sanity-checking a new URL slug before publishing a page
Diagnosing why a URL looks unusually long by seeing which part (path vs. query string) is responsible
Comparing the character-vs-byte length gap on a URL that includes non-English text in its slug

Common Mistakes

Treating the ~75-100 character guidance as a hard technical limit and over-truncating a URL slug to the point that it becomes unclear what the page is about.
Assuming a URL's character count and its byte count are always the same; they diverge as soon as the URL includes non-ASCII characters, which matters for systems with byte-based length limits.

Tips

If the query string is the main contributor to a long URL, try the URL Canonicalizer tool to strip tracking parameters before re-checking the length.

URL Length Checker