How can I remove the "No file chosen" tooltip from a file input in Chrome?

Using the title attribute to our advantage

Thought of customizing the default tooltip content? Smack a title attribute and put whatever you want. However, to remove the tooltip, you just need to assign the title attribute an empty string or a single space. Behold, the pacesetter for Chrome's default tooltip:

<input type="file" title=" " />
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This pièce de résistance sets the title to a space, essentially vanishing the tooltip. To keep the traditional file input but still ditch the tooltip text, dress it up with inline CSS to make it transparent, and voilà!

<input type="file" title=" " style="color: transparent;" />
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Fashioning accessible file inputs

Custom file inputs offer a unique user experience but ensuring their accessibility is non-negotiable. Do not deny the rights of screen readers and assistive technologies which chiefly bank on appropriate ARIA attributes and keyboard interactions.

• Describe your assassin input with aria-label or aria-labelledby.
• Confirm your counterfeit button is accessible via a keyboard like a regular button.
• Roll out visual feedback for interactions like hover, active, and focus.

Harnessing JavaScript

To wield greater control, summon the magic of JavaScript:

document.getElementById('file-btn').addEventListener('click', function() {
  // Yeah, you got clicked by an impostor!
  document.getElementById('hidden-file').click();
});
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A custom element with an alias 'file-btn' now masquerades as the hidden file input click trigger without revealing the default tooltip. Deception, you see!

Potential pitfalls and precautions

Even with these effective methods, beware of the pitfalls:

• Confirm all browser compatibility before diving in. Each may render a unique result.
• Consider user feedback, it's crucial that users are informed of the file selected.
• Stick to the safe zone and avoid JavaScript solutions that can potentially fuel security concerns.