Responsively
The free multi-viewport dev browser.
An open-source take on the same idea: preview your work across many device sizes simultaneously with mirrored interactions, screenshots, and dev-friendly extras.
- Engine
- Blink (Electron)
- License
- Open source
- Runs on
- Windows, macOS, Linux
- Top marks
- Site compatibility, Open source, Dev tooling
- Updated
- September 2026
Why it shines
- Free and open source
- Mirrored interactions across devices
- One-click full-page screenshots of every size
Worth knowing
- Less polished than Polypane
- Development activity fluctuates
Origins
Responsively belongs to The Chromium empire — descended from Electron.
Does well
Ranked in
Scorecard
- Tracking protection0/3
- Fingerprinting resistance0/3
- Anonymity0/3
- Built-in ad blocking0/3
- Customization0/3
- Keyboard control0/3
- Built-in tools0/3
- Minimal interface0/3
- Fresh design0/3
- Classic interface0/3
- Light on resources0/3
- Raw speed0/3
- Battery efficiency0/3
- Extension ecosystem1/3
- Cross-device sync0/3
- Site compatibility3/3
- Low maintenance1/3
- Open source3/3
- Independence1/3
- Built-in AI0/3
- Gaming features0/3
- Dev tooling3/3
0–3 on each of the 22 criteria the quiz and the guides rank by. How we score.
