AI Online Toolkit

Free AI background removal - one click to remove image backgrounds, outputs transparent PNG

Online image compressor for JPG, PNG, WebP with best quality preservation

Image format converter - convert between JPG, PNG, WebP

AI image upscaler - 2x or 4x magnification with sharp edges

Word/PDF/Excel/PPT converter - fully processed in-browser

QR code generator and decoder - customize size, colors, logo

Regex tester - real-time matching with highlighted results

Code and text diff checker - side-by-side and unified views

Visual CSS generator - adjust border radius, shadows, gradients with live preview

Color format converter (HEX/RGB/HSL) and unit converter for length, weight, etc.

Live marquee generator - customize speed, colors, font size

Visualize year progress with motivational quotes and yearly goals

View current time in cities worldwide, calculate time differences for global collaboration

Generate strong passwords online with customizable length and character types

Free mortgage calculator supporting equal installment and equal principal repayment. Calculate monthly payments, total interest, and download the full repayment schedule.

Free China income tax calculator supporting 2026 tax brackets. Calculate monthly take-home pay, social insurance, special deductions, and cumulative withholding tax with full-year detail.

Grow your own virtual plant! Water it, give it sunlight, and watch it bloom. A relaxing and rewarding experience with achievements and social sharing.

Classic Flappy Bird game! Click or tap to fly, dodge pipes for high scores. Fun mini game with boss key for quick hiding.

Generate customized resumes with AI. Add your experiences and let AI create a tailored resume for your target position.

Upload your selfie and let AI generate professional headshot photos. Perfect for resumes, LinkedIn, and job applications.

Define custom style profiles and convert any text into the target tone (formal/casual/academic/marketing, etc.) in one click.

Classic Snake game! Control with arrow keys, eat food to grow. Includes boss key for quick hiding - perfect for slacking off.

Minesweeper with a programmer twist — bugs instead of mines! Left-click to reveal, right-click to flag. Boss key (Esc) included. Three difficulty levels.

Classic Gomoku game! Supports local PvP and AI mode. Wooden board design with light/dark mode support. Tracks win/loss statistics.

Curated 30+ classic color palettes across 10 categories — gradients, Chinese & Japanese traditional, brand, mood. One-click copy HEX/RGB/HSL/CSS.

Transform text into poetic, mood-rich minimalist zine posters. Enter a theme, phrase, or mood — AI compiles it into a poetic poster.

Practice interviews with an AI interviewer. Voice input, AI responses, voice output — full interview simulation.