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Challenge yourself with Connect Four at Toolsy. Drop discs, align four in a row, and beat our smart AI to climb the leaderboard. Play this free game now!
Powerful browser-based Find & Replace tool with support for JavaScript regex flags, capture groups, and backreferences. Process text securely and for free.
Validate and analyze .env files instantly. Detect invalid keys, missing quotes, duplicate entries, and suspicious secrets to prevent deployment failures.
Can't decide? Use the Decision Wheel / Spinner to pick options randomly. Perfect for restaurants, lotteries, and team choices. Spin the free wheel today!
Create stunning visual effects with our CSS Filter Generator. Adjust blur, contrast, sepia, and more live. Copy production-ready code for your web projects.
Easily build custom CSS keyframe animations with our free generator. Tune duration, timing, and presets with a live preview. Start animating your web projects.
Calculate future value with our Compound Interest Calculator. Plan savings with monthly contributions, annual rates, and visual charts. Free and easy to use.
Learn how to make viral bar chart races and top-10 countdown videos for TikTok and Instagram using our free, browser-based Animated Chart Video Maker tool.
Easily change audio speed and pitch with our free tool. Perfect for podcasts, music practice, and language learning. Adjust playback and download files now.
Easily reverse any audio file online with Audio Reverser. Preview reversed sound in your browser and download as WAV. 100% client-side, secure, and free to use.
Convert indented text into clean ASCII directory trees for READMEs. Use our free ASCII Directory Tree Generator to create professional folder structures now.
