e建通 vs Toolkk

e建通，是江苏易用科技专为建筑企业打造的一个工作沟通，协同，智慧办公平台，帮助数千万企业降低沟通，协同，管理成本，提升办公效率，实现数字化新工作方式。

Toolkk is an all-in-one online toolbox with 1000+ free, practical tools. No installation — open and use instantly. Most tools run locally in your browser to protect your privacy. Whether you're a developer, designer, student or professional, Toolkk helps you calculate, convert, process and look things up — all in one place. CALCULATE & CONVERT Scientific calculator, percentage calculator, age calculator, loan & mortgage calculator, interest calculator, BMI, date duration, tax calculator; unit converter (length, weight, temperature, area, volume, speed, pressure), currency converter, base converter (binary/octal/decimal/hex), roman numerals and timestamp converter. IMAGE TOOLS Image compressor, image format converter (PNG/JPG/WebP/GIF/BMP), crop & resize, watermark, image stitching, image to PDF, Base64 image, color picker & color converter (HEX/RGB/HSL/CMYK), QR code reader. PDF & DOCUMENTS PDF converter, PDF compressor, image to PDF, merge & split PDF, Markdown preview & convert, rich text tools. QR & BARCODE QR code generator (URL/text/contact/WiFi), QR code reader, barcode generator, QR with logo. DEVELOPER TOOLS JSON formatter / validator / minifier, XML & YAML converter, Base64 encode/decode, URL encode/decode, Unicode encode/decode, regex tester, timestamp & date converter, hash generator (MD5/SHA1/SHA256), UUID generator, random string & number generator, Cron parser, JWT decoder, text diff, HTML escape. SECURITY & ENCRYPTION Password generator, encryption & decryption (AES/DES/RSA), hash checker, Base64, URL-safe encoding — keep your data and privacy safe. TEXT TOOLS Word & character counter, case converter, text dedupe, remove blank lines, sort lines, Markdown editor. DATE & TIME Date duration, countdown, world clock, timestamp converter, Cron expression. FINANCE Loan & mortgage, interest & compound interest, currency converter, tax and ROI calculators. HEALTH & LIFE BMI, body fat, BMR, due date, random picker & decision wheel. WHO IT'S FOR - At work: schedule with date/workday tools, handle files with document & PDF tools. - Developers: JSON, Base64, regex, timestamp, hash, UUID — right at hand, no site-hopping. - Students & teachers: scientific calculator, unit & base conversion, a study companion. - Designers & creators: image compression & conversion, color tools, QR codes. - Everyday: BMI, due date and handy life calculators. WHY TOOLKK - 1000+ tools, updated regularly - Instant access — no download or sign-up to start - Privacy-first: most tools process locally, nothing uploaded - Sync across web, app and mini-program - Free essentials with optional Pro upgrades Put a pocket-sized Swiss-army toolbox in your phone and get things done faster. Got feedback? Tell us in the app — we keep refining every tool. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/