a pal for your digital life

23 online PDF tools that run 100% in your browser. Merging, splitting, compressing, watermarking, encrypting, converting — powered by pdf-lib and pdf.js through WebAssembly, so your documents are processed on your own device and never uploaded to any server.

• Merge / Split / Compress — core document surgery
• Watermark — text or image, tiled or single
• Encrypt / Decrypt — AES password protection
• PDF → TXT / Image, Image → PDF — format conversion
• Page Numbers / Flatten / Metadata — finishing touches
• Extract / Move / Delete / Rotate Pages — page-level edits
• Page Size / Crop / Grid Cut — layout tools
• Sign / Invert Colors / Extract Images — extras

A hand-picked directory of 40 AI products — the 20 most-loved global favorites alongside 20 home-grown Chinese AI tools. Clean links, honest one-line descriptions, zero clutter. Find your next AI assistant in seconds.

• Global Favorites — ChatGPT, Claude, Gemini, Midjourney, Suno & more
• Made in China — DeepSeek, Kimi, Doubao, Qwen, Kling AI & more
• Curated, not scraped — every entry reviewed by hand
• Hand-reviewed entries — just links that get you there

A multilingual reader for original-version books — read English, Japanese, Korean, French, German, Italian and Spanish classics with instant native-dictionary popups. 8 language editions as Android apps, each with 3 built-in books, a local dictionary (works offline) and a one-time unlock that activates on up to 3 devices.

• 8 editions — zh, zh-TW, ja, ko, fr, de, it, es dictionaries & interfaces
• Tap-to-lookup — offline native definitions, no network needed
• Built-in classics — Gutenberg public-domain books bundled per edition
• One-time purchase — unlock all books, up to 3 devices via activation code

125 web tools in four languages (English, 中文, 日本語, 한국어). Converters, formatters, generators, calculators and developer utilities — image, text, color, time, SEO and more. Most run 100% in your browser; a set of API tools (DNS lookup, SSL certificate check, IP info, HTTP headers, redirect tracing, page speed) run on the edge.

• 125 tools, 10 categories — one hub for everyday web utilities
• 4 languages — fully translated UI and landing pages
• Local-first — most tools process data in your browser
• Edge-powered lookups — DNS, SSL, headers, IP, redirects & speed

Can dogs eat grapes? Can cats drink milk? A clear-answer library of 500+ human foods rated safe, moderation or toxic for dogs and cats — with preparation tips, warning signs to watch for and FAQ for every food. Cross-checked against veterinary poison-control guidance. No sign-up needed — every page is open to read.

• 500+ foods — 250 for dogs, 250 for cats, growing
• Four-level verdicts — safe / moderation / harmful / toxic
• Symptom & prep notes — what to watch for, how to serve
• Cross-checked — audited against poison-control guidance