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Best Firefox Developer Tools Alternatives in 2026

12 apps from web browsers ranked against Firefox Developer Tools on the same published basis.

  1. 1
    Google Chrome Free plan AndroidextensioniOSLinuxMac Free9.8
    Firefox Developer Tools vs Google Chrome
  2. 2
    Microsoft Edge Free plan AndroidextensioniOSLinuxMac Free9.8
    Firefox Developer Tools vs Microsoft Edge
  3. 3
    Mozilla Firefox Free plan Open sourceAndroidextensioniOSLinuxMac Free9.6
    Firefox Developer Tools vs Mozilla Firefox
  4. 4
    Brave Browser Free plan Open sourceAndroidiOSLinuxMacWin $2.50/mo9.6
    Firefox Developer Tools vs Brave Browser
  5. 5
    Opera Free plan AndroidextensioniOSLinuxMac $0.33/mo9.6
    Firefox Developer Tools vs Opera
  6. 6
    Vivaldi Free plan AndroidextensioniOSLinuxMac Free9.4
    Firefox Developer Tools vs Vivaldi
  7. 7
    DuckDuckGo Browser Free plan AndroidiOSMacWin $8.33/mo9.3
    Firefox Developer Tools vs DuckDuckGo Browser
  8. 8
    JioSphere Free plan AndroidiOSLinuxMacWeb Free9.2
    Firefox Developer Tools vs JioSphere
  9. 9
    Tor Browser Free plan Open sourceAndroidLinuxMacWin Free9.1
    Firefox Developer Tools vs Tor Browser
  10. 10
    Mullvad Browser Free plan Open sourceLinuxMacWin Free9.1
    Firefox Developer Tools vs Mullvad Browser
  11. 11
    Ecosia Browser Free plan AndroidiOSLinuxMacWin Free9.1
    Firefox Developer Tools vs Ecosia Browser
  12. 12
    Safari Free plan extensioniOSMac Free8.9
    Firefox Developer Tools vs Safari
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