Sign is a browser-native PDF toolkit from Nijam Tools for signing and other common PDF tasks. It is built to run entirely in the browser, with files processed on the user’s device and never uploaded.
Its sign tool can add a signature, initials, date, name, text, a logo stamp, or a checkbox. Signatures can be drawn, typed with handwriting fonts, or uploaded, and then dragged into place. The page also lists tools for splitting, merging, compressing, converting, and organizing PDFs, along with watermarking and unlocking. Among the named functions are Split PDF, Merge PDF, Rotate PDF, Organize PDF, Extract Pages, Reverse Pages, Delete Pages, and N-up, which lays out 2, 4, 6, or 9 pages per sheet for printing.
Conversion tools include JPG to PDF, PDF to JPG, and PDF to PNG. The JPG to PDF tool lets images be converted into a PDF and page order adjusted by dragging, while PDF to JPG exports pages as JPG or PNG and allows DPI and page selection. The page also describes the service as having 0 uploads, being 100% on-device, and requiring no account.
The site describes the offering as free PDF tools, and the meta description says the files are processed entirely in the browser. It is labeled as made by Nijam Seal, described there as the trust layer for everyone.
Sign is an Other productivity product. Editing, signing, and managing PDF files directly in the browser without uploading files or creating an account. It is built as a consumer product for individuals and professionals needing quick PDF editing and management. Sign is free to use. It runs on the web.
Nijam Seal builds and maintains Sign. Key capabilities include PDF signing, Merge PDFs, and Compress PDFs.
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