Tools
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ImagesTool
Batch image tools in the browser.
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Tools
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Waifu2x
Classic AI upscale & denoise for illustrations.
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SauceNAO
Reverse image search for illustration sources.
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trace.moe
Anime scene search from a single screenshot.
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TTSMaker
Free multilingual text-to-speech in the browser.
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万词王 WantWords
A reverse dictionary—describe it, find the word.
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TemplateMaker
Generate printable packaging templates by size.
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IT Tools
A tidy Swiss Army knife for everyday developer chores.
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在线工具 tool.lu
A classic Chinese web toolbox for format/encode chores.
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TableConvert
Convert tables between Excel, Markdown, JSON, SQL, and more.
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Smallpdf
Friendly PDF compress & convert tools.
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Koodo Reader
An open-source ebook reader for your personal library.
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ProcessOn
Browser flowchart & mind-map studio.
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BgSub
Free online background removal (CN-friendly).
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JSON Crack
Visualize JSON as an interactive graph.
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Squoosh
Google’s open-source image compressor with live quality compare.
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iLovePDF
Merge, split, compress, convert PDFs in the browser.
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PDF24 Tools
A free all-in-one online PDF toolbox.
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Pairdrop
AirDrop-like file sharing in the browser.
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Flowchart.fun
Type an outline, get a flowchart instantly.
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Docsmall
Free online image & PDF compression.
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Carbon
Make beautiful images of your source code.
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Regex101
Build, test, and explain regular expressions live.
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Procrastination Coach Lab
A lab of procrastination experiments.