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Kwiklr — https://kwiklr.com 43 free tools that all run client-side (nothing uploaded), across five categories rather than one: PDF (9 — merge, split, rotate, compress, watermark, page numbers, delete pages, JPG↔PDF), image (6 — compress, resize, convert, crop, background remove, favicon), text/data (6), developer (14 — JSON, base64, hash, UUID, regex, slug, color, markdown, QR), and calculators (8). Runs on pdf-lib / pdf.js in-page. No backend, no account, no file size limit, no watermark.