Osu Replay Viewer

The data structure of an .osr file is a mix of fixed and variable-length fields. Key data points include:

: If you have an active osu!supporter tag, or if the score is in the global Top 1,000, click the replay icon next to the score on the leaderboard to watch it instantly.

Identifying bad cursor habits (over-flicking, corner wandering).

// draw the entire scene based on current playback time function drawVisualization() if (!ctx) return; ctx.clearRect(0, 0, canvas.width, canvas.height);

Use the speed slider or bind keys to speed up or slow down playback. This is crucial for analyzing high-BPM streaming or fast jumps. osu replay viewer

<div class="stats"> <div class="stat-row"><span>🎯 Clicks / hits</span><span id="totalHits">0</span></div> <div class="stat-row"><span>✔️ Max combo (sim)</span><span id="maxCombo">0</span></div> <div class="stat-row"><span>💥 Accuracy (est.)</span><span id="accuracyStat">0%</span></div> <div class="stat-row"><span>🖱️ Cursor events</span><span id="cursorEventsCount">0</span></div> </div>

Players often encounter issues with replays. Here are some typical problems and their fixes:

Analyze replays without loading the heavy official game client.

liveCoordSpan.innerText = `X: $Math.floor(curX) , Y: $Math.floor(curY)`; The data structure of an

The landscape has evolved from simple in-game playback to sophisticated third-party tools that offer pixel-perfect analysis . While the standard client allows you to save and watch scores, external programs like Rewind and Circleguard have become essential for players serious about improvement. Top Replay Viewers & Analyzers

Run the render command (e.g., danser -replay="your_replay.osr" -out="my_video" ). Find your finished video file in the videos output folder. Why Use an External Replay Viewer?

"Drag and drop your .osr file. That's it. No login, no main menu music, just the play. You can scrub the timeline, check your cursor jitter, and figure out exactly why you missed that 300."

Even the best can encounter issues. Here are fixes for frequent problems. // draw the entire scene based on current

lastFrameTime = now; animationId = requestAnimationFrame(animate);

Here are a few options for a post about an "osu! replay viewer," depending on where you are posting and who your audience is.

Best for: If you built this viewer yourself and are releasing it.

Mastering the Osu! Replay Viewer: A Complete Guide to Improving Your Gameplay

For serious players, these limitations necessitate third-party tools.