HEARABLY — VOLUME BOOSTER COMPARISON SHEET Blank template, September 20, 2026. No test results are supplied. Method: https://hearably.app/blog/best-volume-booster-chrome-2026/ Copy this sheet for each tool and source. Keep your completed copy locally. This text file runs no test, contains no macros and submits no information. Remove private source URLs and account details before sharing a filled copy. ENVIRONMENT Test date: Tool name, version and plan: Browser and version: Operating system and version: Output device and connection (wired, Bluetooth, other): Source URL/file and passage timestamp: Player and system volume settings: Other processing disabled/bypassed: OBSERVATIONS — LEAVE UNTESTED ITEMS BLANK 1. Playback with the extension off: 2. Start capture: UI indication, permission step or error: 3. Playback at 100%: 4. Playback at 120%, if the plan permits: 5. Other gain/EQ/dynamics settings actually tried: 6. Harshness, buzzing, pumping, dropouts or apparent sync change: 7. Comparison at a similar perceived level: 8. Second tab or desktop app: did its audio change? 9. Stop processing: original playback returns? 10. Disable the extension: ordinary playback returns after reload if needed? 11. Other source/output tried and its result: 12. Unsupported source or failure and recovery: PUBLISHER INFORMATION — RECORD THE SOURCE AND DATE Permissions and documented reason: Privacy policy URL and relevant data flows: Free features and limits: Paid price, currency, renewal terms and cancellation information: DECISION Does it solve the specific problem? What remains untested? Listen at comfortable levels. Stop or lower gain if the result is unpleasant. A perceived improvement is not a measured distortion or latency benchmark.