Bulk URL Opener
Paste a list of URLs (one per line) and open them all in new tabs with a configurable delay.
Open dozens of links in seconds: without browser extensions
Researchers, marketers, and developers often need to open a long list of URLs quickly: checking search results, reviewing client sites, testing a batch of links in an email campaign, or comparing competitor pages. Doing this manually is tedious. Browser extensions for bulk-opening tabs are a privacy risk.
AlteredIdea's Bulk URL Opener runs entirely in your browser, requires no extension, and has no access to your browsing history or other tabs. Paste your list, choose a delay, and open everything in one click.
How to use: step by step
- 1Paste your URLs
Enter one URL per line in the text area. Each URL must start with http:// or https://: invalid lines are highlighted and skipped automatically. - 2Set the delay
Use the slider to choose a delay between 0 and 2000 ms between tab openings. A small delay (300–500 ms) reduces browser popup blocking. - 3Click Open All
Hit the button to start opening tabs. A progress bar tracks how many have been opened. - 4Allow popups if prompted
Your browser may show a popup-blocked notice on first use. Click 'Always allow popups from this site' to let all tabs open freely. - 5Review recently opened
The Recently Opened section at the bottom logs up to 10 of the last tabs you opened with timestamps, so you can track what was launched.
Related Tools
Browser Info
Inspect your browser, OS, screen, network, and feature support in real time. Hardware concurrency, touch points, WebGL, WASM, and 18 more APIs checked.
User Agent Parser
Parse any user agent string into browser, engine, OS, device type, and bot detection. Test with 6 sample UAs or paste your own.
Color Converter
Convert colors between HEX, RGB, HSL, HSV, and CMYK instantly. Visual swatch, color picker, named color lookup, and WCAG contrast ratio.
Unit Converter
Convert between units across 7 categories: length, weight, temperature, area, volume, speed, and digital storage. All conversions shown simultaneously.
Frequently Asked Questions
- Why do some tabs get blocked by the browser?
- Browsers block popups when multiple windows are opened rapidly without user interaction between each one. Increasing the delay to 300–500 ms and making sure popups are allowed for this site will prevent blocking.
- How many URLs can I open at once?
- There is no hard limit enforced by this tool. Practically, opening more than 20–30 tabs simultaneously may slow down your browser. Use the delay slider to space them out.
- Do URLs need to include https://?
- Yes. Every line must start with http:// or https://. Lines without a valid protocol are shown as invalid and are skipped when you click Open All.
- Can I open URLs from a spreadsheet or CSV?
- Yes. Copy the URL column from your spreadsheet and paste it into the text area. As long as each URL is on its own line and starts with http:// or https://, the tool will recognise them.
- Does the tool store my URLs?
- No. All processing is done locally in your browser using JavaScript. Nothing is sent to a server. Your URL list is only held in the page's React state and disappears when you close the tab.
- What is the ideal delay between tab openings?
- 300 ms is a good default. It is fast enough to open 10 URLs in 3 seconds, but slow enough that most browsers will not classify the openings as a popup storm.
- Can I use this tool to open URLs on a mobile device?
- The tool works on mobile browsers, but most mobile browsers open new tabs in the background and do not switch focus. The experience is best on desktop.
- Is there a way to open only selected URLs from the list?
- Currently the tool opens all valid URLs in the list. To open a subset, remove the lines you do not want before clicking Open All.
AlteredIdea vs alternatives
vs Google search answers: AlteredIdea gives you an interactive tool, not a static reference page. Try values, get instant answers.
vs paid lookup tools: Completely free, no account, no rate limits.
vs command-line tools: No terminal needed. Works in any browser instantly.