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The Tab Launcher That Remembers Your Lists.

Bulk URL Opener

Bulk URL opener with saved lists, batch control, duplicate removal, and lazy-loaded tabs.
Configurable delay. Batch size control. Lazy loading.
Paste URLs and open all at once
Save and reload named URL lists
Lazy loading prevents browser crash
Auto-dedupe and sort URLs

How It Works

Paste URLs. Click "Open All." Tabs open in controlled batches.
Paste URLs into the text area - one per line. Click "Open All."

Live URL counter shows valid link count as you type. Auto-URL detection pulls every valid link from a block of mixed text. Remove duplicates with one click. Sort alphabetically to organize before opening.

Import current tabs pulls every open tab URL into the list. URLs are validated before opening. Invalid entries are skipped. Open the URLs, then switch to the development workflow tools for analysis.

Saved Lists

Name and save any URL list. Load it from the dropdown next time.

Live URL counter shows valid link count as you type. Auto-URL detection pulls every valid link from a block of mixed text. Remove duplicates with one click. Sort alphabetically to organize before opening.

  • Morning routineSave your 10 daily dashboards as "Morning Check."
  • Client auditSave all client URLs as "Client Sites."
  • Competitor monitoringSave competitor pages as "Competitors."
  • Testing environmentsSave staging URLs, production URLs, localhost ports.

Lists persist across browser sessions. Load, edit, re-save.

Batch Controls

Configure delay, batch size, and window behavior.
Delay: 0.5s default. Time between each tab opening.
Batch size: 3 default. Number of tabs opened simultaneously.
New window: Off by default. Open all tabs in a fresh window.

Tabs use lazy loading - they're created but don't load until you switch to them. This prevents 100 tabs from all trying to render at once. Settings persist between sessions.

Part of the
Developer Toolkit

Tools that work together in the Developer toolkit.

Accessibility Tester

Simulates screen reader interpretation - strips styling, surfaces hidden text, flags missing alt tags. Accessibility Tester transforms any webpa.

Bug Report

Bug Report lets users record the issue, add context, and open a private GitHub issue with system details already attached.

Click to Copy

Click to Copy is element-aware. Click an image, get the source URL. Click a link, get the href. Click text, get it clean. One click replaces six.

Cloudflare Connection

Cloudflare Connection gives SEO Time Machines one shared cloud layer for recordings, files, notes, planners, mobile ideas, and voice workflows.

CSS Class Inspector

Live CSS class inspection with style diffing - only shows properties that differ from defaults. CSS Class Inspector adds a live inspection layer.

Drag Select Links

You're researching competitors. Their resource page has 47 links you need.The old way: Right-click. Copy link. Paste. Right-click. Copy link. Pa.

EXIF Data Reader

Other EXIF tools make you leave. Popup. New tab. Upload form. Switch back. Forty-six images means ninety-two context switches.EXIF Data Reader o.

Extract Table

Extract Table captures table-like data from a page, opens it in an editable panel, and lets you copy clean TSV, CSV, or HTML before the data lea.

Font Converter

Every online font converter asks you to upload your files. Your licensed fonts, sent to a server you've never audited. Where? For how long? Unde.

HTML Cleaner

There are two kinds of developers.The first copies HTML from client sites and spends an hour stripping inline styles, data attributes, and track.

Image Upscaler

Low-res photos, compressed screenshots, and tiny logos all lose detail when enlarged. SEO Time Machines runs Real-ESRGAN directly in your browse.

Live Page Editor

You're on a call with a client. "What if we moved that testimonial above the fold?" "What if the heading was bigger?" "What if we just... delete.

Page Structure Xray

Other inspect extensions: Click the icon. Wait for the popup. See three properties. Need the full picture? Back in DevTools.SEO Time Machines: F.

Technology Profiler

Technology Profiler scans the current website and shows CMS, frameworks, analytics, CDN, fonts, payments, schema, and other detected technologie.

VNC Paste

VNC consoles use canvas elements - no clipboard, no paste. And terminal passwords are invisible. You can't see what you're mistyping in a 64-cha.