SingleFileZ Keyboard Shortcut: How to Change or Troubleshoot It

Quick answer: SingleFileZ documented Ctrl+Shift+Y as a customizable shortcut for saving the current or selected tabs. Change it in your browser’s extension shortcut manager: in Firefox, open Extensions and themes, choose the gear menu, then Manage Extension Shortcuts; in Chrome, open chrome://extensions/shortcuts. SingleFileZ has been merged into SingleFile, so current users may see the command listed under SingleFile instead.

This guide covers where to assign the shortcut, how its behavior can depend on selection and profile settings, and how to narrow down failures without assuming an undocumented conflict-resolution rule.

1. What the shortcut does, and which extension to look for

The SingleFileZ Firefox listing documents Ctrl+Shift+Y as a customizable command to save the current or selected tabs. The project repository says SingleFileZ has been completely merged into SingleFile. Its guidance for self-extracting files points users to SingleFile’s File format options, and says existing settings can be imported.

That means the right entry depends on what you have installed:

If the legacy SingleFileZ extension is still installed and exposes the command, look for SingleFileZ.
If you installed or migrated to the maintained SingleFile project, look for SingleFile.
If neither appears in the manager, verify the extension is installed and enabled, then open its extension page or help to confirm it provides a shortcut command.

Current SingleFile help also documents Ctrl+Shift+Y. It notes an important behavior difference: the default command saves selected page content when text is selected, while a custom shortcut command assigned to a profile saves the entire page. If the shortcut runs but saves less than expected, check for selected text and whether the command is the default or a profile command.

2. Change the shortcut in Firefox

Open the Firefox menu and choose Extensions and themes, then Extensions.
Click the gear labeled Tools for all add-ons.
Choose Manage Extension Shortcuts.
Find the SingleFile or SingleFileZ command. Use its shortcut field to enter a different available combination.
Return to a normal web page and try the new assignment.

Mozilla’s instructions are in Manage extension shortcuts in Firefox. The manager only shows shortcut options when an add-on exposes them. Menu labels and layout can vary by Firefox version and platform.

3. Change the shortcut in Chrome

Enter chrome://extensions/shortcuts in Chrome’s address bar.
Find the SingleFile or SingleFileZ section and the command you want to change.
Click the shortcut field and press the desired key combination.
Test it on a regular web page.

SingleFile’s current help specifically points Chrome users to this page. If the legacy SingleFileZ entry is absent, check for SingleFile because the projects were merged. Browser shortcut pages only expose commands made available by the installed extension.

4. Troubleshoot a shortcut that does nothing or behaves differently

Symptom	What to check	Next step
No SingleFileZ entry	The legacy extension may not be installed, or you may now have SingleFile.	Check the installed extension list and look for SingleFile. The project’s merger notice explains why the product entry may have changed.
Extension appears, but no shortcut control	The extension manager only displays options when an add-on has shortcut commands available.	Open the extension’s help and confirm its command is exposed in that browser. Do not assume a shortcut can be assigned if no field is shown.
Shortcut field is blank	There is no displayed assignment for that command.	Assign a combination using the browser’s manager, if a field is available, then test again.
Shortcut works, but only part of the page is saved	Text may be selected, causing the default SingleFile command to save selected content.	Clear the page selection and retry. If using a profile, check whether its custom shortcut command is assigned; custom profile commands save the entire page.
Shortcut works on some sites but not a browser page	Browsers block extensions on certain domains for security reasons.	Test a normal website. A blocked internal or protected browser page is different from an extension shortcut failure.
Shortcut stopped working after changing products or settings	You may be looking at the old extension entry or a different command.	Check whether SingleFileZ or SingleFile is installed and inspect that entry’s current assignment.

If these checks do not identify the issue, record the browser and version, installed extension name, exact displayed assignment, and whether the failure happens on every site or only a particular page. The available project and browser documentation does not establish one universal fix for operating-system or browser-level shortcut conflicts, so those details are needed before diagnosing further.

5. Behavior details and edge cases

Current tab versus selected tabs: the legacy listing describes saving the current or selected tabs. For multiple tabs, select them in the browser first, then invoke the command.
Selected text on a page: current SingleFile help says the default shortcut saves selected page content when text is selected. Clear the selection if you meant to save the full page.
Profile-specific command: a custom shortcut assigned to a profile saves the entire page even when text is selected.
Browser-restricted pages: browser security rules can prevent extensions from running on certain domains. Test on a normal site before concluding the shortcut assignment is broken.
Legacy product naming: because SingleFileZ was merged into SingleFile, newer instructions and settings may use SingleFile terminology.

6. Or skip the browser setup

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curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webp

import requests

r = requests.get(
    "https://api.screenshotneo.com/v1/shot",
    params={"access_key": "YOUR_API_KEY", "url": "https://stripe.com"},
    timeout=90,
)
open("shot.webp", "wb").write(r.content)

const q = new URLSearchParams({ access_key: 'YOUR_API_KEY', url: 'https://stripe.com' });
const res = await fetch(`https://api.screenshotneo.com/v1/shot?${q}`);
if (!res.ok) throw new Error(`Screenshot request failed: ${res.status}`);
await Bun.write('shot.webp', res);

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7. Reliability, performance, and cost considerations

Changing an extension shortcut is a browser setting and does not require a script or a separate service. For reliability, confirm the assignment in the browser manager and test the actual command on an ordinary page. Selection state and restricted browser pages can change what happens even when the shortcut is correctly assigned.

There is no per-capture service cost in this browser-settings workflow. ScreenshotNeo is a separate option when the desired output is a screenshot or PDF: its published plans are Free (1,000 shots/month), Starter ($5 for 3,000), Growth ($15 for 15,000), Pro ($39 for 60,000), Scale ($99 for 250,000), and Business ($249 for 1,000,000); yearly billing gives two months free. Only clean shots are billed, and cache hits are free. Choose it for rendered captures, not as a replacement for SingleFile’s self-contained HTML output.

8. FAQ

Is Ctrl+Shift+Y still the SingleFileZ shortcut?

It is the documented legacy combination, and current SingleFile help also documents it. Confirm the actual assignment in your installed extension’s shortcut manager.

Why do instructions say SingleFile instead of SingleFileZ?

The SingleFileZ repository says the project was completely merged into SingleFile. Current users may therefore find the relevant command and settings under SingleFile.

Does changing the shortcut alter how a saved file is formatted?

No. The shortcut manager changes the command assignment. SingleFile’s file format options control output format separately.

Can I use SingleFileZ’s shortcut on every browser page?

No. Browsers restrict extension access on some internal or protected pages. Test on an ordinary website to distinguish a page restriction from a shortcut issue.