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27 工具
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檔案工具 13
ZIP 擷取器Preview and unpack any ZIP file right in your browser — list every entry, view text and images inline, download files one by one, and the archive is never uploaded.文字 to DOCX 轉換器Paste plain text and download a real Word .docx — paragraphs, UTF-8 and escapes are assembled into minimal OOXML in your browser and verified by reading the file back before download. Nothing is uploaded.DOCX to 文字轉換器Drop a .docx Word file and get its plain text out — copied to the clipboard or downloaded as .txt — extracted and verified entirely in your browser, never uploaded. Macro documents, password-protected files and legacy .doc are refused, not converted.
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檔案 to Base64 轉換器Encode any local file to Base64 — nothing is uploaded.Base64to 檔案 DownloaderDecode Base64 back into the original file.檔案雜湊檢查器MD5/SHA-1/SHA-256/SHA-512 of any file, computed locally.檔案 MetadataViewerInspect name, MIME type, size and modification time.檔案 to ZIP 打包器Bundle multiple files into a ZIP archive locally.Magic 位元組識別器Identify a file type from its signature bytes rather than its extension — the safe way to validate uploads.TXT to DOCX 轉換器Drop or paste a .txt file and get a .docx Word, WPS or Pages can open — plain-text paragraphs preserved exactly, emoji and & < > included, built and read back locally in this tab.Markdown to DOCX 轉換器Turn a Markdown note into a .docx — headings and bullets cross over as literal text on purpose: this builds an honest minimal Word document locally, not a styled clone, and your note is never uploaded.Detect 檔案 TypeAttempts to guess the MIME (Multipurpose Internet Mail Extensions) type of the data based on 'magic bytes'. Currently supports the following file types:檔案 TreeCreates a file tree from a list of file paths (similar to the tree command in Linux)
pdf 10
PDF 合併工具Merge two or more PDF files into one document — pages keep their original size and quality, the order follows your selection, and everything runs in your browser: no upload, no sign-up, nothing ever leaves your machine.圖片 to PDF 轉換器Convert JPG and PNG images into a single PDF in your browser — every photo becomes a page in the order you picked them, original resolution is kept, and nothing is uploaded: no account, no queue, no size games.PDFRotatorRotate PDF pages in your browser — turn every page, or just the ones you name (like 1,3-5), 90° either way or upside down, with no re-encoding, no upload and no sign-up. Password-protected PDFs are not supported.PDF to 文字轉換器Convert a PDF to text in your browser — every page is parsed locally with pdf.js, lines come out in reading order, and you get word and character counts plus a .txt download. No upload, no sign-up; scans (no OCR) and password-protected files are declined, and layout is not preserved.PDF to 單字轉換器Convert a PDF to a Word (.docx) file in your browser: pdf.js reads the selectable text, then a minimal reflowed Word document is assembled paragraph by paragraph — counts up front, copy and download included, no upload and no sign-up. Fonts, images and page layout from the original are not carried across (this is an honest text rebuild), scans get no OCR, and password-protected PDFs are declined.
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Photo to PDF 掃描器Turn phone photos into a clean scanned-style A4 PDF — up to 30 images are centered and fitted onto uniform pages automatically, and the whole scan runs locally like a scanner app without ever uploading a photo.反轉 PDFPagesFlip a PDF end to end — the last page becomes page 1 and vice versa, no page content is re-encoded, and the whole reorder runs locally in your browser with no upload and no sign-up.Extract 文字 fromPDFExtract the text out of a PDF in one tab: click or drop your file and pdf.js pulls every selectable line locally — the document itself never leaves your machine. Per-page failures degrade to a placeholder instead of killing the run.PDF 文字擷取器A local PDF text extractor: open the file with the pdf.js engine right in this page, copy the plain text or download it as .txt, with page/word/character counts shown up front. Image-only scans and encrypted files are declined up front — this tool is honest about what it reads.PDF to DOCX 轉換器Turn a PDF into a .docx you can keep editing: the text is extracted locally with the same pdf.js engine as our PDF text tools and rebuilt as clean Word paragraphs with the same builder as our Text to Word page. Reflowed plain text on purpose — not a pixel-faithful conversion; dense scans (no OCR), encrypted files and documents past the size gates are declined honestly, and nothing is ever uploaded.
spreadsheet 4
Excel to JSON 轉換器Convert an .xlsx, .xlsm or .xls workbook to JSON in your browser — a lossless table dump of the first sheet (header row included), a live preview of every sheet, correct UTF-8, and the file is never uploaded.CSV to XLSX 轉換器Paste CSV, TSV, semicolon or pipe text and download a real .xlsx — quotes, CRLF and UTF-8 handled, delimiters auto-sniffed (TAB ; , |) or set by hand, decimal commas preserved, nothing uploaded.
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Excel to CSV 轉換器Convert an .xlsx, .xlsm or .xls workbook to RFC 4180 CSV with correct UTF-8 — commas and quotes are escaped by doubling, every sheet is previewed, no upload and no sign-up.JSON to XLSX 轉換器Paste a JSON array of objects or rows and get a real .xlsx — header from the key union, numbers stay numeric, mixed shapes are refused not guessed, all in your browser.