# DocFuse > DocFuse is a free, privacy-first collection of browser-based PDF tools, document converters, and developer utilities. Most tools run entirely client-side with no file uploads, no accounts, and no watermarks. Built as a Techworks project. ## About - [About DocFuse](https://docfuse.net/about) - [Security & Privacy](https://docfuse.net/security-privacy) - [FAQ](https://docfuse.net/faq) - [Open Source Tools Directory](https://docfuse.net/foss-tools) ## PDF Tools - [PDF Composer](https://docfuse.net/pdf-tools): Merge, split, and rotate PDFs in a unified workspace - [Convert to PDF](https://docfuse.net/convert-to-pdf): Transform images and Office documents into PDF - [Image to PDF](https://docfuse.net/image-to-pdf): Convert images to PDF documents client-side - [Office to PDF](https://docfuse.net/office-to-pdf): Convert Word, Excel, and PowerPoint to PDF via LibreOffice - [PDF Unlock](https://docfuse.net/pdf-unlock): Remove passwords or export hashes for offline cracking - [OCR Workspace](https://docfuse.net/ocr): Extract text from scans and build searchable PDF copies - [Sign PDF](https://docfuse.net/sign): Sign PDFs offline with reusable signatures - [PDF Visual Diff](https://docfuse.net/pdf-diff): Pixel-by-pixel comparison of two PDFs with color overlays - [PDF Translate](https://docfuse.net/pdf-translate): Translate PDF content between languages ## Document Tools - [CSV Utilities](https://docfuse.net/csv-utils): Convert CSV to JSON or TSV and validate columns - [CSV to XLS](https://docfuse.net/csv-to-xls): Transform CSV exports into Excel workbooks locally - [Table Extractor](https://docfuse.net/table-extract): Detect and export tables from PDFs to CSV or Excel - [Doc Cleaner](https://docfuse.net/doc-cleaner): Strip Word/Google Docs markup to clean Markdown - [Document Outline](https://docfuse.net/document-outline): Generate document structure and table of contents - [QR Generator](https://docfuse.net/qr-code): Create customizable QR codes for various data types ## Developer Tools - [JSON Formatter](https://docfuse.net/dev/json): Format, validate, and minify JSON - [Base64 Encode/Decode](https://docfuse.net/dev/base64): Encode and decode Base64 strings - [URL Encoder](https://docfuse.net/dev/url-encode): Encode and decode URL components - [Hash Generator](https://docfuse.net/dev/hash): Generate MD5, SHA-1, SHA-256, and other hashes - [RegEx Tester](https://docfuse.net/dev/regex): Test and debug regular expressions with live matching - [Diff Compare](https://docfuse.net/dev/diff): Unified diff output for text and code review - [JWT Decoder](https://docfuse.net/dev/jwt): Decode and inspect JSON Web Tokens locally - [Cron Builder](https://docfuse.net/dev/cron): Build cron expressions with plain-English translation - [Color Converter](https://docfuse.net/dev/color): Convert between HEX, RGB, HSL, and other color formats - [SQL Formatter](https://docfuse.net/dev/sql): Format and beautify SQL queries - [XLSX Converter](https://docfuse.net/dev/xlsx-convert): Convert Excel files to CSV or JSON - [Mermaid Editor](https://docfuse.net/dev/mermaid): Live preview and export Mermaid diagrams - [Code Linter](https://docfuse.net/code-linter): Lint and validate code snippets ## Archive Tools - [Archive Extractor](https://docfuse.net/archive/extract): Unpack ZIP, TAR, 7Z, and RAR archives locally - [Archive Builder](https://docfuse.net/archive/build): Bundle files into password-protected archives in-browser ## Contact - Support: support@docfuse.net - Website: https://docfuse.net - Parent project: [RainCity Techworks](https://rain-city.tech) - Related: [TechKit.net](https://techkit.net) | [DNSRecon.io](https://dnsrecon.io)