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Supported browsers and clearing your cache

Which browsers TenderB officially supports, and how to clear cache or disable extensions when the app misbehaves.

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Written by Eden Noelle

Officially supported browsers

  • Google Chrome (latest 2 versions)

  • Microsoft Edge (latest 2 versions)

  • Mozilla Firefox (latest 2 versions)

  • Apple Safari 17 and newer

Internet Explorer and browsers in "compatibility mode" are not supported.

Clear cache and cookies

  1. Open your browser's settings → Privacy / History.

  2. Choose Clear browsing data.

  3. Select Cached images and files and Cookies for tenderb.app.

  4. Reload TenderB and log in again.

Shortcut: Ctrl+Shift+Del (Windows) or ⌘+Shift+Del (Mac).

Quick sanity checks when something's off

  • Open TenderB in a private / incognito window — this rules out cache or extension issues.

  • Disable browser extensions (ad-blockers, password managers, translators) one by one.

  • Check that JavaScript and cookies are enabled.

  • Confirm you're on the right URL — standard users: https://app.tenderb.com; Advanced/Enterprise users have their own subdomain https://<your-company>.tenderb.nl. Using the wrong one is a common cause of login loops and missing projects.

Audio recording: "No audio found" error

When you record a voice message and TenderB returns a "no audio found" error, the cause is almost always a browser or microphone permission issue — not a problem with your recording.

  1. Open TenderB in a private / incognito window and try recording again. This rules out browser extensions (ad-blockers, translators) that may be blocking microphone access.

  2. Check that your browser has microphone permission for TenderB: open your browser settings → Site settings → Microphone → confirm TenderB is allowed.

  3. Try a different supported browser (Chrome or Edge are recommended for recording).

  4. If the error persists across browsers and incognito: check your OS audio settings to confirm TenderB (or your browser) has microphone access at the system level.

Interface displaying incorrect fonts or colors

If TenderB's interface looks unusual — different fonts, missing colors, or text rendered in a generic system font — your company's network or firewall is likely blocking the external font files TenderB uses (served via Google Fonts).

How to confirm it:

  1. Open TenderB via a mobile hotspot (4G/5G) instead of your company network. If it looks correct there, your company network is blocking the fonts.

  2. Alternatively: press F12 → Network tab → refresh the page → filter on "font". Look for blocked or failed requests to fonts.googleapis.com or fonts.gstatic.com.

Resolution: Ask your IT department to whitelist fonts.googleapis.com and fonts.gstatic.com. This is a common restriction in EU corporate networks for privacy reasons — many other web applications will be affected by the same block.

Interface showing large gray bars on the sides

Large gray bars on the left and right of the interface usually appear when the browser measured the screen width incorrectly while TenderB was loading. This happens most often when switching between screens, returning from a minimized tab, or having another application (like a video call) open during load.

Fix: Press Ctrl + R (Windows) or ⌘ + R (Mac) to refresh, or go back to the Projects dashboard and reopen the project. Also check that your browser zoom is set to 100%.

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