UsefulGo Changelog

Live Server-Powered Polling Platform

Create instant public polls with live voting tallies, duplicate vote prevention via client token & SHA-256 IP hashing, custom write-in answers, QR code sharing, and embed code support.

• Server-backed processing using Redis atomic counters with in-memory fallback
• Single-choice and multiple-choice voting modes
• Customizable expiration timers (1 to 30 days) with remaining day indicator
• Live animated results view with leader trophy badge and voter stats
• Creator Admin Key for poll management, closing votes, and resetting

Single-Use Drag & Drop Tier List Maker

Build custom tier rankings directly in your browser with zero server uploads. Features local image drag-and-drop, custom tier rows (S, A, B, C, D), hex color pickers, and high-resolution PNG export.

• 100% private, client-side image processing with no file upload limits
• Reorder, add, and customize tier names and color schemes
• Quick image pool tray with bulk drag & drop reordering
• One-click high-resolution PNG card download

Interactive Tournament Bracket Generator

Generate single-elimination tournament brackets from 2 to 64 participants with automatic seeding, live connector curves, score recording, match winner advancement, and fullscreen presentation mode.

• Dynamic SVG curves connecting matches across rounds seamlessly
• Support for 4, 8, 16, 32, and 64 participant tournaments
• Automatic next-round winner advancement upon score submission
• Clean fullscreen presentation mode optimized for live competitions
• PDF and PNG export for printing and sharing tournament draws

Live Multiplayer Ranked Leaderboards

Create real-time scoreboards saved to Redis with 5-day expiration, instant point adjustments, participant rankings, and shareable links for competitions and classroom games.

• Server-backed Redis persistence with 5-day lifespan display
• Instant rank re-sorting with smooth position animations
• Shareable spectator and editor URLs

Team Match Scoreboard & Game Clock

Full-featured game day scoreboard designed for basketball, soccer, volleyball, and tennis with period tracking, foul counters, timeout indicators, and customizable buzzer sounds.

• Customizable team names, logos, and jersey colors
• Period, half, and quarter trackers with digital shot/game clocks
• Audio buzzer synthesizer via Web Audio API

Grid-Based Card Scoreboard

Colorful card-based scorekeeper ideal for board game nights, trivia quizzes, and multiplayer tabletop matches with custom player avatars and quick score increment buttons.

• Responsive player grid with custom colors and avatar badges
• Quick +/- point steppers and total score rankings

Multi-Round Table Scoresheet

Spreadsheet-style scorecard for recording scores across multiple rounds, automatically calculating cumulative totals, averages, and final rankings.

• Round-by-round matrix tracking with automatic column and row totals
• CSV export and printable scorecard layouts

World Flag & Capital Memory Match Game

Test and sharpen your memory by matching national flags with country names, capital cities, and native "Hello" translations across Easy, Medium, and Hard difficulty levels.

• Comprehensive database of world nations with official flag vectors
• Native "Hello" greetings translated for each country
• Score tracking, timer, move counter, and audio feedback

Interactive Multi-Counter Dashboard

Track inventory, attendance, event visitors, or exercise reps with multiple concurrent tally counters, custom step increments, target goal alarms, and sound triggers.

• Simultaneous multi-counter cards with distinct colors and labels
• Custom step increments, target values, and reset limits
• Keyboard shortcut support for rapid counting

Balanced Group & Team Randomizer

Split lists of participants into balanced groups by team count or group size, with support for gender balance and skill-level distribution.

• Generate teams by number of groups or members per group
• Balanced distribution based on player rating and gender attributes
• One-click copy and text export for tournament brackets

Enhanced Spinning Wheel & Audio Synthesis

Upgraded the random name picker wheel with realistic physics-based deceleration, celebratory confetti particle bursts, and tick sound effects.

• Web Audio synthesizer tick sounds on segment transitions
• Confetti burst animation for winners
• Eliminate picked names toggle for raffle draws

Biometric Passport & Visa Photo Generator

Crop and format personal photos to official visa and passport standards for United States (2x2 inch), Schengen/EU (35x45mm), United Kingdom, Japan, and Vietnam.

• Preset biometric dimensions and head size guides
• Automatic background isolation and solid background replacement
• 4x6 inch and A4 print sheet generation with cutting guides

High-Fidelity Edge Smoothing

Improved transparency mask generation with smoother edge feathering and multi-image batch export support.

Multi-Dialect SQL Query Beautifier

Format raw and minified SQL statements with customizable indentation, keyword capitalization, and dialect support for PostgreSQL, MySQL, SQLite, and BigQuery.

Interactive JSON Visualizer & Validator

Inspect deeply nested JSON payloads with collapsible tree nodes, real-time syntax linting, path search, and format conversion.

Beautiful Code Snippet Screenshots

Turn snippets of code into stunning shareable graphics featuring syntax highlighting, macOS/Windows window headers, custom padding, and gradient backgrounds.

200+ Core Everyday Utilities

Complete suite of PDF tools (Merge, Split, Compress, Rotate, Page Numbers), unit converters, financial and date calculators, text sanitizers, and casual browser games.

• Zero account required: instantaneous access to all utilities
• Client-side privacy: files and texts processed directly on your device
• Clean, ad-free experience optimized for mobile, tablet, and desktop