🔥 NEW⏱️ 7.77s Challenge
Human Stopwatch: 7.77s Blind Timer
1.5s blind stopwatch challenge (3.33s / 5.00s / 7.77s / 10.00s) with 1ms precision & live challenger leaderboard
100% Free for Streaming, YouTube & Monetization
Free Stream Tools
for Live Creators
Launch in 1 second — no install, no login. Marble race roulette, Chzzk downloader, fraud protection radar, and streamer utilities.
🔥 #1 Flagship
Marble Race Roulette
7,200px long track with physics pins, spinners, and spring bouncers for thrilling live giveaways
⚡ 4K / 1080p & Shorts
Chzzk & YouTube Downloader
Download Chzzk VODs & clips and YouTube videos & Shorts in original quality with batch queues
🛡️ Live Radar
Bzzk Malicious Radar
Detect griefers, multi-account ban evaders, and suspicious bot accounts before your stream starts
📖 Guide & Artists
Guide & Creators
OBS streaming setup guides and curated artists proving their work process live on stream
Interactive Stream Games & Tool Lineup
Filter between queue-waiting arcade mini-games, live giveaway wheels, and interactive stream studios.
🔥 NEW💎 Cash-Out Game
Mine Gems: Cash Out or Bust
5x5 coordinate grid (A1–E5) diamond mining game with exponential cash-out multipliers & SHA-256 fairness
🔥 NEW⚡ Physical Age
Streamer Physical Age Test
3-stage Reaction Speed (ms), 12s Aim Tracking & 5s CPS burst test with Physical Age Receipt
🔥 NEW🗡️ +20 Forging
Legendary +20 Sword Enhancer
Forge +0 to +20 with 6-slot Inventory, +7 Sword of Greed jackpot & 10-fail stack bonuses
🔥 #1 Puzzle
Block Blast!
8x8 combo line blast block puzzle with endless & 2-min time attack modes
🏹 Physics Climber
Arrow Climber
Slingshot archery physics climber with precision platform landings
🍉 Sand Merge
Sand Drop
Falling kinetic sand cellular automata & merge puzzle up to Aurora tier
Marble Race
Marble Race Roulette
Physics-based marble race with live track, pins & spinners
Featured Tool
Random Spin Wheel
Ratchet-click spin wheel with confetti winner reveal
Bets & Penalties
Ghost Leg Ladder Game
Real-time animated ghost-leg (Amidakuji) for 2–20 players
🌸 New Game
Blossom Board (Drinking & Penalty)
Monopoly-style drinking & penalty board with 3D rolling dice
🎧 New Game
AI Music Quiz (Guess The Song)
Listen to AI rearranged songs and guess the original title with side-by-side YouTube reveals
🔊 Stream SFX
Broadcast Keypad Soundboard
Zero-latency broadcast soundboard with 9 numpad shortcuts & custom slots
✨ New Studio
Stream Doodle (Animated GIF Studio)
Interactive animated GIF doodle studio with 12 FPS line boil and OBS mode
🎬 Emote Maker
Stream Emoji (Animated Emotes)
Create retro 16-frame pixel & animated emotes for Twitch, Discord & YouTube
Daily Free
Daily Fortune
Daily auto-updated horoscope & zodiac fortune for stream openers
STREAMER TOOLKIT • 100% FREE
Essential Broadcast Utility Studio for Streamers
From Photoshop-free weekly schedule creation to multi-channel raid defense radar and 1080p lossless video downloader —a dedicated suite of free web utilities engineered to streamline your channel workflow.
⚡ NEW RELEASE1080p FHD Lossless
Chzzk & YouTube Downloader
Lossless VOD, Clip & YouTube Video/Shorts Batch Downloader
100% free with no subscription or rate limits! Download Naver CHZZK replays and YouTube 4K/FHD streams directly to your PC with bundled FFmpeg and background session queues.
- Multi-platform support: Chzzk VODs/Clips & YouTube/Shorts
- Sequential session queue worker & background title resolution
- Bundled FFmpeg: lossless 4K/FHD MP4 & audio (.m4a) extraction
- 100% local, safe & open verification (No spyware)
🔥 POPULAR7 Themes • No PS
Stream Schedule Studio
Photoshop-Free Weekly Timetable Generator
Design aesthetic weekly and monthly broadcast schedules in 10 seconds. Features Neon Cyber, Retro Arcade, and Pastel themes with one-click PNG export, Discord Markdown copy, and template saves.
- 7 customizable broadcast themes with instant PNG export
- One-click formatted Discord & X (Twitter) notice copy
- Local JSON template save & load (privacy preserved)
🛡️ LIVE RADARChzzk Stream Guard
Bzzk (검지직)
Real-time Cross-Channel Raid Defense Radar
Detects serial malicious chatters and bad actors multi-banned across Naver CHZZK channels in real time. Pre-emptively safeguard your chat room and community before raids happen.
- Real-time tracking of multi-banned bad accounts
- Cross-channel raid correlation & suspicion scoring
- One-click auto ban list export for chat managers
LATEST RELEASE
View Full Changelog →ErrorLedger Release Notes
v2.2.0
New Streamer Mini-Games: ⚡ Physical Age Test & 🗡️ +20 Sword Enhancer
3-stage Reaction Speed, Aim Tracking & CPS Physical Age Medical Receipt + 6-slot Inventory +20 Weapon Forging Simulator.
v2.0.0
Chzzk & YouTube Downloader Major Update
Lossless YouTube video & Shorts download support, background session batch queue, and official GitHub Releases.
v1.9.5
3D Marble Race Audio Balancing & Physics Polish
Reduced collision SFX volume by 50% for optimal stream mic balance and smoothed track finish gate physics.
ERRORLEDGER PLATFORM
Free Interactive Web Games & Random Draw Tools for Streamers
ErrorLedger is a no-install, no-login platform delivering broadcast-ready interactive games for Twitch, YouTube Live, CHZZK, SOOP (AfreecaTV), and Kick streamers.
Streamer Physical Age & Reflex Test
3-stage gamer physical assessment measuring Visual Reaction Speed (ms), 12-second Aim Tracking accuracy, and 5-second Burst CPS — complete with an official Physical Age Medical Receipt (Age 16–72).
Legendary +20 Sword Enhancer
Hardcore +0 to +20 weapon forging simulator featuring a 6-slot Weapon Inventory, the +7 Golden Sword of Greed (45,000 G jackpot), per-sword +1%p 10-fail stack bonuses, and Star-Catch timing.
Marble Race Roulette
More thrilling than a plain spin wheel — a real-time physics marble race with Galton pin boards, twin windmills, pinball bumpers, vortex bowls, and a giant finale propeller that bats marbles back for dramatic reversals.
Random Spin Wheel (Roulette)
Satisfying ratchet-click audio, winner confetti explosion, automatic removal of picked items, and one-click presets for food, penalties, and giveaways. Built for broadcast.
Ghost Leg Ladder Game (Amidakuji)
Animated neon footstep trail through a real-time Amidakuji ladder for 2–20 players. Fair, one-to-one bijective mapping ensures nobody can predict or rig the result.
Daily Fortune & Horoscope
Auto-refreshed at midnight: 12 Eastern zodiac animal fortunes and 12 Western star sign readings, each with lucky numbers, colors, and daily DO/DON'T tips for stream openers.
Bzzk (Chzzk Stream Security Radar)
Real-time cross-channel intelligence network detecting high-risk malicious actors across Chzzk streams, shielding your chatroom with automatic pre-emptive restrictions.
Scientific MBTI & 8 Cognitive Functions Test
Empirical 60-item instrument with balanced reverse scoring. Dissect your 8 Jungian cognitive functions, stress loops, workplace superpowers, real-time chemistry calculator, and creator streaming persona.
Stream Schedule Studio (Broadcast Timetable Maker)
Design polished stream schedules without graphic design software. Features weekly and monthly grid layouts, versatile visual themes (Neon, Retro, Travel Ticket, Pastel), and one-click Discord text formatting and local template saving.
Stream Doodle (Animated GIF & Emote Studio)
Every stroke springs to life with real-time 12 FPS boiling line animation! Tailored canvas presets for Twitch, Discord, and Chzzk emotes, infinite looping GIF and transparent PNG export, and alpha cutout brushes for instant live stream stickers and memes.
Stream Emoji (Multi-Frame Animated Emote Studio)
Create custom frame-by-frame animated emotes for Twitch, Discord, and Chzzk! Features 2–16 frame timeline, onion skinning, 1x live chat scale preview widget, and optimized looping GIF & spritesheet export.
Frequently Asked Questions
Can I use ErrorLedger on stream or in monetized videos?
Yes, 100% permitted and free! You are fully allowed to broadcast our tools live on Twitch, YouTube, CHZZK, SOOP, and upload edited videos with monetization and donations enabled.
How do I use fullscreen or focus mode?
Click the [⛶ Fullscreen] or [📺 Focus Mode] button in the top-right of any game to go borderless for clean, distraction-free play.
Is it free? Do I need to sign up?
100% free, forever. No account, no login, no download. Open the link and it works instantly in any browser.
Does it work on Twitch, YouTube, and CHZZK?
Yes. It runs in any standard web browser, so it works with Twitch, YouTube Live, CHZZK, SOOP, Kick, and any other platform.
Are results fair? Can anyone manipulate them?
The Spin Wheel and Ghost Leg Ladder use cryptographically seeded PRNG with mathematical bijective mapping — fully random and tamper-proof.
What is ErrorLedger?
ErrorLedger provides 100% free, client-side interactive web games, tests (MBTI), and stream utility tools for global livestreamers, creators, and communities.