sakuttoAI
A free suite of online tools for everyday tasks like PDF compression, image conversion, text diff and CSV to Excel.
About sakuttoAI
sakuttoAI is a free suite of 90+ online tools for the small, repetitive tasks that interrupt real work: compressing, merging and splitting PDFs, converting and editing images (HEIC to JPG, WebP, resize, crop, background removal), counting characters, diffing text, formatting JSON, converting between CSV and Excel, converting documents to Markdown, generating and reading QR codes, and more.
Most tools process your files right in your browser, so there is nothing to install. Text tools such as the character counter and QR code generator work without an account; file tools such as PDF and image compression need a free account, and signing up takes only an email (no password). The site is available in English and Japanese.
Built and maintained by Meerock K.K. as a single place to stop hunting for a one-off converter every time you need one.
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