# ToolSphere — Full Tool Reference > Free online tools to merge, compress, convert, and edit PDF, image, and document files instantly. No signup, no limits, 100% secure browser-based processing. ToolSphere is a free, privacy-focused online platform with 205+ browser-native utilities. All tools run client-side via WebAssembly with zero data retention. --- ## PDF Tools (20 utilities) - [Merge PDF](https://toolsphere.tools/pdf/merge-pdf): Combine multiple PDF documents into a single organized file - [Split PDF](https://toolsphere.tools/pdf/split-pdf): Extract specific pages or break PDFs into individual files - [Compress PDF](https://toolsphere.tools/pdf/compress-pdf): Reduce PDF file size while retaining visual clarity - [Rotate PDF](https://toolsphere.tools/pdf/rotate-pdf): Rotate individual pages or all pages (90/180/270 degrees) - [Organize PDF Pages](https://toolsphere.tools/pdf/organize-pdf-pages): Reorder, delete, duplicate pages with drag-and-drop - [Protect PDF](https://toolsphere.tools/pdf/protect-pdf): Encrypt PDFs with AES-256 password protection - [Unlock PDF](https://toolsphere.tools/pdf/unlock-pdf): Remove security passwords from protected PDFs - [Sign PDF](https://toolsphere.tools/pdf/sign-pdf): Add electronic signatures to PDF documents - [Watermark PDF](https://toolsphere.tools/pdf/watermark-pdf): Add text or image watermarks to PDF pages - [Add Page Numbers](https://toolsphere.tools/pdf/add-page-numbers-to-pdf): Insert page numbers into PDF documents - [Crop PDF](https://toolsphere.tools/pdf/crop-pdf): Crop and trim PDF page margins - [Flatten PDF](https://toolsphere.tools/pdf/flatten-pdf): Flatten form fields and annotations - [PDF to Word](https://toolsphere.tools/pdf/pdf-to-word): Convert PDF documents to editable Word format - [Word to PDF](https://toolsphere.tools/pdf/word-to-pdf): Convert Word documents to PDF - [PDF to Excel](https://toolsphere.tools/pdf/pdf-to-excel): Extract tables from PDF to Excel spreadsheets - [Excel to PDF](https://toolsphere.tools/pdf/excel-to-pdf): Convert Excel spreadsheets to PDF - [PDF to Image](https://toolsphere.tools/pdf/pdf-to-image): Convert PDF pages to JPG/PNG images - [Image to PDF](https://toolsphere.tools/pdf/image-to-pdf): Convert images to PDF documents - [PDF to Text](https://toolsphere.tools/pdf/pdf-to-text): Extract text content from PDF files ## Image Tools (19 utilities) - [Remove Background](https://toolsphere.tools/image/remove-background): AI-powered background removal from images - [Remove Watermark](https://toolsphere.tools/image/remove-watermark): Remove watermarks from images - [Watermark Image](https://toolsphere.tools/image/watermark-image): Add text or image watermarks - [Image Filter](https://toolsphere.tools/image/image-filter-adjuster): Apply filters and adjustments to images - [Crop Image](https://toolsphere.tools/image/crop-image): Crop images to custom dimensions - [Resize Image](https://toolsphere.tools/image/resize-image): Resize images to specific dimensions - [Rotate Image](https://toolsphere.tools/image/rotate-image): Rotate and flip images - [Compress Image](https://toolsphere.tools/image/compress-image): Reduce image file size without quality loss - [JPG to PNG](https://toolsphere.tools/image/jpg-to-png): Convert JPG images to PNG format - [PNG to JPG](https://toolsphere.tools/image/png-to-jpg): Convert PNG images to JPG format - [JPG to WebP](https://toolsphere.tools/image/jpg-to-webp): Convert JPG to WebP format - [WebP to JPG](https://toolsphere.tools/image/webp-to-jpg): Convert WebP to JPG format - [PNG to WebP](https://toolsphere.tools/image/png-to-webp): Convert PNG to WebP format - [WebP to PNG](https://toolsphere.tools/image/webp-to-png): Convert WebP to PNG format - [HEIC to JPG](https://toolsphere.tools/image/heic-to-jpg): Convert Apple HEIC photos to JPG - [SVG to PNG](https://toolsphere.tools/image/svg-to-png): Convert SVG vectors to PNG raster images - [App Icon Generator](https://toolsphere.tools/image/app-icon-generator): Generate app icons for iOS, Android (Adaptive 108dp), macOS (ICNS), and Windows (ICO) - [EXIF Tool](https://toolsphere.tools/image/exif-tool): View and edit image EXIF metadata ## Video Tools (12 utilities) - [Video Compressor](https://toolsphere.tools/video/video-compressor): Compress video files in-browser - [Video Converter](https://toolsphere.tools/video/video-converter): Convert between MP4, WebM, MOV formats - [MOV to MP4](https://toolsphere.tools/video/mov-to-mp4): Convert Apple QuickTime MOV to universal MP4 - [Video Resizer](https://toolsphere.tools/video/video-resizer): Resize video resolution - [Video Cropper](https://toolsphere.tools/video/video-cropper): Crop video dimensions - [Video Trimmer](https://toolsphere.tools/video/video-trimmer): Trim video start and end points - [Video Rotator](https://toolsphere.tools/video/video-rotator): Rotate video orientation - [Video Muter](https://toolsphere.tools/video/video-muter): Remove audio from video files - [Video to GIF](https://toolsphere.tools/video/video-to-gif): Convert video clips to animated GIF - [GIF to Video](https://toolsphere.tools/video/gif-to-video): Convert GIF animations to video - [Video to MP3](https://toolsphere.tools/video/video-to-mp3): Extract audio from video files ## Audio Tools (9 utilities) - [Audio Converter](https://toolsphere.tools/audio/audio-converter): Convert between WAV, MP3, FLAC, AAC, OGG - [Audio Compressor](https://toolsphere.tools/audio/audio-compressor): Reduce audio file size - [Audio Cutter](https://toolsphere.tools/audio/audio-cutter): Cut and trim audio files - [Audio Merger](https://toolsphere.tools/audio/audio-merger): Merge multiple audio files - [Audio Normalizer](https://toolsphere.tools/audio/audio-normalizer): Normalize audio volume levels - [Volume Booster](https://toolsphere.tools/audio/audio-volume-booster): Boost audio volume - [Audio to Text](https://toolsphere.tools/audio/audio-to-text): Transcribe audio to text - [Video to Audio](https://toolsphere.tools/audio/video-to-audio): Extract audio track from video ## File Converters (17 utilities) - [DOCX to PDF](https://toolsphere.tools/converter/docx-to-pdf): Convert Word documents to PDF - [PDF to DOCX](https://toolsphere.tools/converter/pdf-to-docx): Convert PDF to editable Word - [XLSX to PDF](https://toolsphere.tools/converter/xlsx-to-pdf): Convert Excel to PDF - [PDF to XLSX](https://toolsphere.tools/converter/pdf-to-xlsx): Convert PDF tables to Excel - [PPTX to PDF](https://toolsphere.tools/converter/pptx-to-pdf): Convert PowerPoint to PDF - [HTML to PDF](https://toolsphere.tools/converter/html-to-pdf): Convert web pages to PDF - [Markdown to PDF](https://toolsphere.tools/converter/markdown-to-pdf): Convert Markdown to PDF - [Markdown to HTML](https://toolsphere.tools/converter/markdown-to-html): Convert Markdown to HTML - [EPUB to PDF](https://toolsphere.tools/converter/epub-to-pdf): Convert eBooks to PDF - [CSV to JSON](https://toolsphere.tools/converter/csv-to-json): Convert CSV data to JSON - [JSON to CSV](https://toolsphere.tools/converter/json-to-csv): Convert JSON to CSV spreadsheet - [CSV to XLSX](https://toolsphere.tools/converter/csv-to-xlsx): Convert CSV to Excel - [XLSX to CSV](https://toolsphere.tools/converter/xlsx-to-csv): Convert Excel to CSV - [CSV to TSV](https://toolsphere.tools/converter/csv-to-tsv): Convert CSV to tab-separated - [TSV to CSV](https://toolsphere.tools/converter/tsv-to-csv): Convert TSV to CSV - [TXT to PDF](https://toolsphere.tools/converter/txt-to-pdf): Convert plain text to PDF ## AI Tools (9 utilities) - [AI Text Rewriter](https://toolsphere.tools/ai/ai-text-rewriter): Rewrite text with AI assistance - [AI Summarizer](https://toolsphere.tools/ai/ai-summarizer): AI-powered text summarization - [AI Paraphraser](https://toolsphere.tools/ai/ai-paraphraser): Paraphrase text using AI - [AI Grammar Checker](https://toolsphere.tools/ai/ai-grammar-checker): Check and fix grammar errors - [AI Email Writer](https://toolsphere.tools/ai/ai-email-writer): Generate professional emails with AI - [AI PDF Summarizer](https://toolsphere.tools/ai/ai-pdf-summarizer): Summarize PDF documents with AI - [AI Document Q&A](https://toolsphere.tools/ai/ai-document-qa): Ask questions about uploaded documents - [AI Background Remover](https://toolsphere.tools/ai/ai-background-remover): AI-powered image background removal ## Developer Tools (19 utilities) - [JSON Formatter](https://toolsphere.tools/developer/json-formatter): Format and validate JSON data - [JSON Converter](https://toolsphere.tools/developer/json-converter): Convert JSON between formats - [JSON Path Tester](https://toolsphere.tools/developer/json-path-tester): Test JSONPath expressions - [JSON Schema Validator](https://toolsphere.tools/developer/json-schema-validator): Validate JSON against schemas - [Base64 Encoder/Decoder](https://toolsphere.tools/developer/base64-encoder-decoder): Encode and decode Base64 - [JWT Debugger](https://toolsphere.tools/developer/jwt-debugger): Inspect and decode JWT tokens - [Hash Generator](https://toolsphere.tools/developer/hash-generator): Generate MD5, SHA-1, SHA-256 hashes - [UUID Generator](https://toolsphere.tools/developer/uuid-generator): Generate UUID v4 identifiers - [Timestamp Converter](https://toolsphere.tools/developer/timestamp-converter): Convert Unix timestamps - [Regex Tester](https://toolsphere.tools/developer/regex-tester): Test regular expressions live - [Cron Expression Generator](https://toolsphere.tools/developer/cron-expression-generator): Build cron schedules - [HTML Formatter](https://toolsphere.tools/developer/html-formatter): Format and beautify HTML - [CSS Formatter](https://toolsphere.tools/developer/css-formatter): Format and beautify CSS - [JavaScript Formatter](https://toolsphere.tools/developer/javascript-formatter): Format JavaScript code - [SQL Formatter](https://toolsphere.tools/developer/sql-formatter): Format SQL queries - [XML Formatter](https://toolsphere.tools/developer/xml-formatter): Format and beautify XML - [YAML Formatter](https://toolsphere.tools/developer/yaml-formatter): Format YAML files - [HTTP Status Checker](https://toolsphere.tools/developer/http-status-code-checker): Look up HTTP status codes ## YouTube Creator Tools (10 utilities) - [Thumbnail Optimizer](https://toolsphere.tools/youtube/youtube-thumbnail-optimizer): Analyze thumbnail CTR potential - [Thumbnail Generator](https://toolsphere.tools/youtube/youtube-thumbnail-generator): Generate 1280x720 thumbnails - [Title Generator](https://toolsphere.tools/youtube/youtube-title-generator): Generate viral video titles - [Description Generator](https://toolsphere.tools/youtube/youtube-description-generator): Build optimized descriptions - [Tags & Keywords](https://toolsphere.tools/youtube/youtube-tags-keywords): Generate tags and keywords - [Hook Generator](https://toolsphere.tools/youtube/youtube-hook-generator): Create engaging video hooks - [Shorts Caption Generator](https://toolsphere.tools/youtube/youtube-shorts-caption-generator): Generate Shorts captions - [Video Ideas](https://toolsphere.tools/youtube/youtube-video-ideas): AI video idea generation - [Competitor Analyzer](https://toolsphere.tools/youtube/youtube-competitor-analyzer): Analyze competitor channels ## SEO Tools (9 utilities) - [Meta Tag Generator](https://toolsphere.tools/seo/meta-tag-generator): Generate SEO meta tags - [Schema Markup Generator](https://toolsphere.tools/seo/schema-markup-generator): Create JSON-LD schema - [Robots.txt Generator](https://toolsphere.tools/seo/robots-txt-generator): Generate robots.txt files - [Sitemap Generator](https://toolsphere.tools/seo/sitemap-generator): Create XML sitemaps - [SERP Snippet Preview](https://toolsphere.tools/seo/serp-snippet-preview): Preview Google search results - [Keyword Density Checker](https://toolsphere.tools/seo/keyword-density-checker): Analyze keyword usage - [URL Slug Generator](https://toolsphere.tools/seo/url-slug-generator): Create SEO-friendly URL slugs - [Redirect Generator](https://toolsphere.tools/seo/redirect-generator): Generate redirect rules ## QR & Barcode Tools (5 utilities) - [QR Code Generator](https://toolsphere.tools/qr/qr-code-generator): Generate custom QR codes - [QR Code Scanner](https://toolsphere.tools/qr/qr-code-scanner): Scan and decode QR codes - [Barcode Generator](https://toolsphere.tools/qr/barcode-generator): Generate 1D barcodes - [Barcode Scanner](https://toolsphere.tools/qr/barcode-scanner): Scan and decode barcodes ## Security & Privacy Tools (6 utilities) - [Password Generator](https://toolsphere.tools/security/password-generator): Generate secure passwords - [Password Strength Checker](https://toolsphere.tools/security/password-strength-checker): Check password strength - [File Hash Checker](https://toolsphere.tools/security/file-hash-checker): Verify file checksums - [Metadata Remover](https://toolsphere.tools/security/metadata-remover): Strip file metadata - [Secret Token Generator](https://toolsphere.tools/security/secret-token-generator): Generate API tokens ## Design & CSS Tools (9 utilities) - [Color Picker](https://toolsphere.tools/design/color-picker): Pick and convert colors - [Color Converter](https://toolsphere.tools/design/color-converter): Convert between HEX/RGB/HSL - [Gradient Generator](https://toolsphere.tools/design/gradient-generator): Create CSS gradients - [Box Shadow Generator](https://toolsphere.tools/design/box-shadow-generator): Build CSS box shadows - [Contrast Checker](https://toolsphere.tools/design/contrast-checker): Check WCAG color contrast - [Palette Generator](https://toolsphere.tools/design/palette-generator): Generate color palettes - [CSS Border Generator](https://toolsphere.tools/design/css-border-generator): Create CSS borders - [Favicon Generator](https://toolsphere.tools/design/favicon-generator): Generate favicons ## Calculator Tools (15 utilities) - [Percentage Calculator](https://toolsphere.tools/calculator/percentage-calculator): Calculate percentages - [Discount Calculator](https://toolsphere.tools/calculator/discount-calculator): Calculate discounts - [Loan Calculator](https://toolsphere.tools/calculator/loan-calculator): Calculate loan payments - [Mortgage Calculator](https://toolsphere.tools/calculator/mortgage-calculator): Calculate mortgage payments - [Investment Calculator](https://toolsphere.tools/calculator/investment-calculator): Plan investments - [Simple Interest](https://toolsphere.tools/calculator/simple-interest-calculator): Calculate simple interest - [Compound Interest](https://toolsphere.tools/calculator/compound-interest-calculator): Calculate compound interest - [EMI Calculator](https://toolsphere.tools/calculator/emi-calculator): Calculate EMI payments - [SIP Calculator](https://toolsphere.tools/calculator/sip-calculator): Calculate SIP returns - [GST Calculator](https://toolsphere.tools/calculator/gst-calculator): Calculate GST amounts - [Salary Calculator](https://toolsphere.tools/calculator/salary-calculator): Calculate net salary - [Inflation Calculator](https://toolsphere.tools/calculator/inflation-calculator): Adjust for inflation - [Scientific Calculator](https://toolsphere.tools/calculator/scientific-calculator): Scientific calculations - [Currency Converter](https://toolsphere.tools/calculator/currency-converter): Convert currencies ## Unit Converters (11 utilities) - [Length Converter](https://toolsphere.tools/unit-converter/length-converter): Convert length units - [Weight Converter](https://toolsphere.tools/unit-converter/weight-converter): Convert weight units - [Temperature Converter](https://toolsphere.tools/unit-converter/temperature-converter): Convert temperatures - [Area Converter](https://toolsphere.tools/unit-converter/area-converter): Convert area units - [Volume Converter](https://toolsphere.tools/unit-converter/volume-converter): Convert volume units - [Speed Converter](https://toolsphere.tools/unit-converter/speed-converter): Convert speed units - [Time Converter](https://toolsphere.tools/unit-converter/time-converter): Convert time units - [Pressure Converter](https://toolsphere.tools/unit-converter/pressure-converter): Convert pressure units - [Data Storage Converter](https://toolsphere.tools/unit-converter/data-storage-converter): Convert data sizes - [Energy Converter](https://toolsphere.tools/unit-converter/energy-converter): Convert energy units ## Web Tools (8 utilities) - [URL Parser](https://toolsphere.tools/web/url-parser): Parse and analyze URLs - [HTTP Headers Checker](https://toolsphere.tools/web/http-headers-checker): Inspect HTTP headers - [HTTP Status Checker](https://toolsphere.tools/web/http-status-checker): Check HTTP status codes - [Open Graph Preview](https://toolsphere.tools/web/open-graph-preview): Preview OG cards - [Website Color Extractor](https://toolsphere.tools/web/website-color-extractor): Extract website colors - [Favicon Checker](https://toolsphere.tools/web/favicon-checker): Check site favicons - [HTML Preview](https://toolsphere.tools/web/html-preview): Preview HTML code ## Code Generators (8 utilities) - [CSS Grid Generator](https://toolsphere.tools/generators/css-grid-generator): Build CSS Grid layouts - [Flexbox Generator](https://toolsphere.tools/generators/flexbox-generator): Build Flexbox layouts - [CSS Animation Generator](https://toolsphere.tools/generators/css-animation-generator): Create CSS animations - [SVG Optimizer](https://toolsphere.tools/generators/svg-optimizer): Optimize SVG files - [SVG to PNG Generator](https://toolsphere.tools/generators/svg-to-png-generator): Convert SVG to PNG - [Placeholder Image Generator](https://toolsphere.tools/generators/placeholder-image-generator): Generate placeholder images - [Tailwind CSS Generator](https://toolsphere.tools/generators/tailwind-css-generator): Generate Tailwind classes ## OCR Tools (6 utilities) - [OCR Image](https://toolsphere.tools/ocr/ocr-image): Extract text from images - [OCR PDF](https://toolsphere.tools/ocr/ocr-pdf): Extract text from scanned PDFs - [Screenshot to Text](https://toolsphere.tools/ocr/screenshot-to-text): Convert screenshots to text - [Handwriting to Text](https://toolsphere.tools/ocr/handwriting-to-text): Recognize handwritten text - [Table OCR](https://toolsphere.tools/ocr/table-ocr): Extract tables from images ## Date & Time Tools (7 utilities) - [Age Calculator](https://toolsphere.tools/date-time/age-calculator): Calculate chronological age - [Date Difference](https://toolsphere.tools/date-time/date-difference-calculator): Calculate days between dates - [Business Days Calculator](https://toolsphere.tools/date-time/business-days-calculator): Count working days - [Time Zone Converter](https://toolsphere.tools/date-time/time-zone-converter): Convert between time zones - [Countdown Timer](https://toolsphere.tools/date-time/countdown-timer): Set countdown timers - [Stopwatch](https://toolsphere.tools/date-time/stopwatch): Online stopwatch ## Productivity Tools (9 utilities) - [Todo List](https://toolsphere.tools/productivity/todo-list): Manage task lists - [Pomodoro Timer](https://toolsphere.tools/productivity/pomodoro-timer): Focus timer technique - [Random Number Generator](https://toolsphere.tools/productivity/random-number-generator): Generate random numbers - [Random Name Picker](https://toolsphere.tools/productivity/random-name-picker): Pick random names - [Random Team Generator](https://toolsphere.tools/productivity/random-team-generator): Create random teams - [Decision Maker](https://toolsphere.tools/productivity/decision-maker): Random decision wheel - [Markdown Editor](https://toolsphere.tools/productivity/markdown-editor): Edit Markdown live - [Notes Tool](https://toolsphere.tools/productivity/notes-tool): Quick note-taking ## File Utilities (7 utilities) - [File Compressor](https://toolsphere.tools/file-utilities/file-compressor): Compress files - [ZIP Creator](https://toolsphere.tools/file-utilities/zip-creator): Create ZIP archives - [ZIP Extractor](https://toolsphere.tools/file-utilities/zip-extractor): Extract ZIP files - [File Merger](https://toolsphere.tools/file-utilities/file-merger): Merge multiple files - [File Splitter](https://toolsphere.tools/file-utilities/file-splitter): Split large files - [File Hash Generator](https://toolsphere.tools/file-utilities/file-hash-generator): Generate file hashes ## 3D Product Tools (2 utilities) - [3D Product Model Generator](https://toolsphere.tools/3d/3d-product-model-generator): AI-powered 3D model generation from product images with virtual try-on