Osu Replay Viewer May 2026

If you want to move from “okay” to “expert,” you need the advanced data provided by external osu replay viewer tools. Below are the three most popular and powerful options.

Load your replay into Gink. Look at the cursor heatmap:

Perhaps the most fascinating evolution of the replay viewer is its unintended role as a creative engine.

In the early

An osu! replay viewer is a specialized tool used to analyze, share, or convert gameplay data stored in files without necessarily running the full osu! game client

. These viewers serve diverse needs, from professional-grade analysis to simple video rendering for social media. Types of osu! Replay Viewers

An osu! replay viewer is a tool or software that allows you to watch and analyze

(replay) files without necessarily being inside the standard game client. While osu! has a built-in Replay system

, external viewers are popular for rendering videos, analyzing performance, or sharing gameplay with friends who don't have the game installed. Common Types of Replay Viewers Circleguard - An osu! replay analysis program - GitHub

osu! replay viewer is an essential tool for players to review their performance and for creators to share their gameplay as videos. In the standard game, replays are saved in the osu!/data/r directory as Evolution of Replay Technology in osu!

The community has developed several third-party tools to improve the replay experience beyond the native client:

The osu! replay viewer 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

Rewind (Overall Best): Acts like a "YouTube player" for your .osr files. It features a scrub bar, instant skin swapping, and the ability to analyze aim pixel by pixel.

Circleguard: Highly technical tool focused on cheat detection and raw data analysis. It provides frame-by-frame movement and unstable rate (UR) breakdowns.

osu!lazer (Built-in): The modern official client includes a vastly improved replay system with playback speed controls and a scrub bar, though it still lacks deep "pixel-level" analysis.

Web-Based Viewers: Sites like replayviewer.com allow you to watch replays in a browser or on mobile without installing the game. Key Features for Improvement Replay 2.0 · ppy osu · Discussion #21729 - GitHub

If you're looking to build or suggest a new feature for an osu! replay viewer, here are a few ideas ranging from simple quality-of-life tweaks to advanced analysis tools. 1. Advanced Hit-Error Analysis osu replay viewer

While standard replays show a basic hit-error bar, a dedicated viewer could include:

Heatmaps: Visualize where on the screen a player consistently over-aims or under-aims.

Unstable Rate (UR) Breakdown: Show how UR fluctuates during specific sections of a song to identify where a player loses focus or stamina.

Keypress Statistics: A graph showing how long keys were held (hold time distribution) and the exact millisecond offsets for every tap. 2. "Ghost" Comparison Mode This feature would allow users to:

Overlay Multiple Replays: Watch two different replays (e.g., your personal best vs. a pro's play) simultaneously to see differences in cursor movement and timing.

Difference Tracker: Highlight moments where the two replays diverge most in terms of positioning or accuracy. 3. Integrated Editing & Snipping Instead of watching the whole replay, add tools to:

Replay Snipping: Trim the .osr file to only include a specific "god module" or a fail point, then save that segment as a new, smaller replay file.

Scrubbing & Bookmarking: A progress bar that lets you jump to any timestamp instantly, with automatic bookmarks at points where "Misses" or "Slider Breaks" occurred. 4. Direct Video Rendering

Building on tools like o!rdr or osr2mp4, a viewer could feature:

One-Click Export: Convert a replay directly to an .mp4 file with custom skin support and quality settings without needing to open the game.

Cinematic Camera: An option to "smooth" cursor movement or hide the UI for cleaner social media clips. 5. Cheat Detection & Verification (For Admins/Tournaments)

For community moderators, a specialized viewer could include:

Frame-by-Frame Inspection: View the raw data (time, X/Y coordinates, keys pressed) in a table format for every single frame.

Similarity Check: Automatically compare a new replay against existing ones in a database to detect "replay stealing". Every osu! Player NEEDS This!

The osu! replay viewer is a specialized tool used by the community to watch, analyze, and share gameplay outside of the standard osu! client. It typically handles .osr files, which store movement and timing data rather than actual video. 🕹️ Essential Tools & Features

The "replay viewer" ecosystem includes several distinct types of software: If you want to move from “okay” to

In-Game Viewer: Standard replays can be viewed in the game by pressing F2 on the results screen to save (osu! wiki).

External Renderers: Tools like osu-replay-viewer on GitHub allow you to view and render replays into video files (MP4) using FFmpeg without launching the full game.

Web-Based Viewers: Platforms like osu!lazer or community projects (e.g., WebOsu) enable replay viewing directly in a browser using HTML5. 📂 How to Manage Replay Files

Replays are small because they only track input data, not video frames.

File Location: Local replays are stored as .osr files in your osu!/Data/r/ folder.

Sharing: You can send these .osr files to other players; they only need the corresponding beatmap to watch it in their client.

Failed Plays: You can watch a replay of a failed run by pressing F1 on the "Game Over" screen. 🛠️ Advanced Controls & Analysis

Newer versions of the game (especially osu!lazer) offer more granular control for improvement:

Playback Speed: Use W/S keys to speed up or slow down the replay.

Frame Seeking: Use A/D keys to jump forward or backward in time.

Object Tracking: Some external viewers allow you to see exact hit error (UR) and "slider-end" timing to see exactly where you lost accuracy. ⚠️ Common Troubleshooting

Missing Replays: If your local scores disappear, you can sometimes recover them by deleting scores.db in your installation folder and pressing F5 in-game to rebuild the database.

Skinning: Replays will always play back using your currently selected skin, regardless of what skin the original player used. If you tell me more, I can help you: Export a replay to a video format Find a specific tool for high-rank analysis Recover deleted replay data

Replay analyzer improvements · ppy osu · Discussion #31558 - GitHub

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If you want this expanded into app store copy, a longer landing page, or actual UI mockups, tell me which and I’ll produce it. osu replay viewer, osu

Title: "Relive the Magic: A Guide to Using an osu Replay Viewer"

Introduction

osu! is a popular rhythm game that has captured the hearts of millions of players worldwide. With its vast array of beatmaps, challenging gameplay, and strong community, it's no wonder why osu! remains one of the most beloved music games out there. For those who have spent countless hours playing osu!, you might have wondered what it would be like to relive some of your favorite moments or analyze your gameplay in detail. This is where an osu replay viewer comes in.

What is an osu Replay Viewer?

An osu replay viewer is a tool that allows you to watch replays of your osu! gameplay. These replays can be generated from files saved by the osu! client or from online sources. With a replay viewer, you can relive your past gameplay experiences, analyze your techniques, and even learn from your mistakes.

Benefits of Using an osu Replay Viewer

So, why would you want to use an osu replay viewer? Here are a few benefits:

How to Use an osu Replay Viewer

Using an osu replay viewer is relatively straightforward. Here's a step-by-step guide:

Popular osu Replay Viewers

Here are some popular osu replay viewers:

Conclusion

An osu replay viewer is a powerful tool that allows you to relive your favorite osu! moments, analyze your gameplay, and improve your skills. Whether you're a seasoned pro or a casual player, using a replay viewer can enhance your osu! experience. So why not give it a try? Download a replay viewer, load up your favorite replay file, and relive the magic of osu!

Additional Tips and Resources

A lightweight tool to play back osu! replays (.osr) with frame-by-frame controls, hit visualization, score/stats overlay, and basic analysis tools to help players review and improve their runs.

The greatest advantage of an osu replay viewer is learning from the best. You are not limited to your own replays. Here is how to watch plays from players like cookiezi, mrekk, or Vaxei.