Developer Tool in One: SEO, Ruler & Text Checker And More icon

Developer Tool in One: SEO, Ruler & Text Checker And More

by Vince Oro Dazo Β· vinceorodazo.com Β· Developer Tools
Established publisherManifest V3 Free
View in Chrome Web Store Data as of 17 Oct 2026

All-in-one web developer toolkit. Inspect SEO, audit colors, measure with a page ruler, check text, and capture screenshots.

Users
15
+4 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#166K
#138K among extensions
Version
2.2
updated 2 Sep 2026

Users

monthly, 5 months
0817May 2026Aug 2026Oct 2026
Latest, 17 Oct 2026: 15 usersMove the mouse over the chart for any month

Ratings count

monthly, 5 months
023May 2026Aug 2026Oct 2026
Latest, 17 Oct 2026: 3 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Developer Tool in One: SEO, Ruler & Text Checker And More

π˜Ώπ™šπ™« π™π™€π™€π™‘π™ π™žπ™©: π™π™π™š π™π™‘π™©π™žπ™’π™–π™©π™š π™’π™šπ™— 𝘼π™ͺπ™™π™žπ™©π™žπ™£π™œ & π™Œπ˜Ό π™€π™­π™©π™šπ™£π™¨π™žπ™€π™£ Dev Toolkit is a powerhouse Chrome Extension built for developers, QA testers, SEO specialists, and web designers. It combines a massive suite of on-page inspection tools with advanced background-crawling capabilities to analyze, debug, and export website data instantly. πŸ”— 𝑨𝒅𝒗𝒂𝒏𝒄𝒆𝒅 π‘³π’Šπ’π’Œ & π‘Ήπ’†π’…π’Šπ’“π’†π’„π’• π‘¨π’–π’…π’Šπ’•π’Šπ’π’ˆ Deep Link Crawler: Scans every internal and external link on the page, automatically grouping them by domain and page section (Header, Footer, Main Content, Sidebar). True HTTP Status & Redirect Tracing: Bypasses CORS restrictions using a background engine to fetch the exact HTTP status (200, 404, 403, 500). It traces 301/302 redirects to show you exactly where a link ultimately resolves. Smart Retry Engine: Automatically attempts connection 3 times for slow or timed-out links to ensure 100% accurate reporting. Interactive Dashboard & CSV Export: View results in a dedicated, refresh-proof dashboard with dynamic donut charts, smart pagination, and instant filtering. Export pixel-perfect CSVs (UTF-8 format) with a single click. πŸ“ π‘³π’Šπ’—π’† 𝑻𝒆𝒙𝒕 & π‘ͺ𝒐𝒏𝒕𝒆𝒏𝒕 π‘½π’†π’“π’Šπ’‡π’Šπ’„π’‚π’•π’Šπ’π’ Expected vs. Actual Engine: Upload a JSON list of expected text or links, and the tool will visually highlight exact matches, partial missing words, and complete mismatches right on the webpage. CSS Format Checking: Verifies not just the text, but the stylingβ€”instantly flagging if a font size, color, weight, or family deviates from your expected design specs. Hover-Sync Tooltips: Hover over a highlighted mismatch to see a floating tooltip showing exactly what text or link target is broken. πŸš€ π‘©π’–π’π’Œ π‘Άπ’‘π’†π’“π’‚π’•π’Šπ’π’π’” Bulk URL Opener: Paste a massive list of URLs and open them instantly in new tabs safely. Bulk URL Status Checker: Paste hundreds of links to ping their live HTTP status codes in bulk without having to open them. πŸ” 𝑢𝒏-π‘·π’‚π’ˆπ’† 𝑺𝑬𝑢 & π‘¨π’„π’„π’†π’”π’”π’Šπ’ƒπ’Šπ’π’Šπ’•π’š SEO Metadata Checker: Instantly view meta tags, titles, descriptions, and canonicals. Heading & Alt Tag Overlays: Toggle visual labels directly on the DOM to reveal all H1-H6 tags and Image alt attributes, making accessibility audits a breeze. 🎨 π‘«π’†π’”π’Šπ’ˆπ’ & 𝑼𝑰 π‘°π’π’”π’‘π’†π’„π’•π’Šπ’π’ Color Audit & Picker: Extract a complete palette of every color used on the current page, or use the eyedropper to grab specific hex codes. Typography Inspector: Hover over any text to reveal its exact font family, size, weight, and line height. On-Screen Ruler: Measure pixel-perfect distances, alignments, and padding/margins between DOM elements. πŸ–ΌοΈ π‘΄π’†π’…π’Šπ’‚ 𝑰𝒏𝒔𝒑𝒆𝒄𝒕𝒐𝒓 Right-Click Media Info: Right-click any image or video to instantly view its natural dimensions, file size, render size, source URL, and alt text via a clean modal popup. ⚑ π‘Ίπ’†π’‚π’Žπ’π’†π’”π’” 𝑼𝒔𝒆𝒓 π‘¬π’™π’‘π’†π’“π’Šπ’†π’π’„π’† Draggable Smart Panel: Access every tool from a sleek, draggable floating menu that injects directly into the page. Zero-Refresh Data Loss: Reports and audits are saved to local Chrome storage, meaning you never lose your data if you accidentally refresh a tab. *** 𝑾𝒉𝒐 π’Šπ’” π’•π’‰π’Šπ’” 𝒇𝒐𝒓? Whether you are QA testing a staging environment, migrating a website and checking for broken links, verifying SEO implementation, or auditing brand design guidelines, Dev Toolkit puts the power of a dozen different extensions into one clean, lightning-fast UI.

Growth

WindowUsersChangeRatingsRating
7 daysβˆ’1βˆ’6.2%00.00
30 days+4+36.4%00.00

Chrome Web Store search rankings

Where Developer Tool in One: SEO, Ruler & Text Checker And More appears when people search the store, with the 30 day change
Search phrasePosition30 days
developer tools#47βˆ’1
developer#64+8
smart tool#86new

Version history

3 versions recorded
2.22 Sep 2026
2.125 May 2026
2.08 May 2026

Details

Category
Developer Tools
First seen
8 May 2026
Size
29.0 MB
Languages
en
Pricing
Free
Privacy policy
docs.google.com
Extension ID
jodobldhbmepogljghhpipaidafbihne

Permissions and risk

Elevated riskimpact 4, likelihood 2
Permissions
storagetabsactiveTabscriptingcontextMenuswebRequestidentityalarmsdebuggerdeclarativeNetRequest
Site access
<all_urls>
Can read and change data on every website you visit.

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