Xenkio
PDF & Documents
Merge PDF

Combine multiple PDF files into one document. Drag to reorder and download instantly.

Split PDF

Split PDF documents into separate files by page range.

Image to PDF

Convert images (JPG, PNG, WebP) to PDF documents.

PDF Compressor
New

Reduce PDF file size while maintaining quality.

Protect/Unlock PDF
New

Encrypt PDF with password or remove password security permissions.

PDF to Image
New

Convert PDF pages to high-quality JPG or PNG images.

Invoice Generator
New

Create professional invoices instantly. Add items, taxes, discounts, and download as PDF.

Sign PDF
New

Add your digital signature to PDF documents securely in your browser.

Crop PDF
New

Visually crop and trim PDF pages. Remove margins, headers, or resize page area with precision.

PDF to Word

Convert PDF to Word with preserved formatting: bold, italic, colors, fonts, and layout structure.

Word to PDF

Convert Word documents to PDF with preserved formatting and layout.

Compare PDF
New

Compare two PDF files side-by-side with visual ghosting overlay and pixel-level diff highlighting.

Stamp PDF
New

Add professional stamps to your PDF documents — approval, date, checklist, notes, and more.

PDF Reader (AI Gestures)
New

Read PDF documents in your browser with AI-powered hand gesture page navigation.

Document to Markdown
New

Convert PDF, Word, Excel, and other documents into Markdown. Runs securely in your browser.

ZIP Extractor
New

Extract ZIP archive files online. View contents, download individual files, or save everything instantly.

Media & Images
Remove Background
New

Remove image backgrounds instantly with high-precision AI. Download transparent PNGs.

Image Compressor

Reduce image file size by up to 80% without visible quality loss. Supports JPG, PNG, WebP.

Video Compressor
New

Compress MP4, WebM, MOV videos in browser. Reduce file size with adjustable quality.

Image Converter

Convert between JPG, PNG, WebP, GIF, and other formats.

Favicon Generator

Create favicon.ico files for your website from any image.

Image to Base64

Convert images to Base64 encoded strings for embedding.

Collage Maker
New

Create premium, seamless panoramic carousels for Instagram. SCRL-style editor.

QR Code Generator

Create custom QR codes with logos, colors, and multiple export formats.

Barcode Generator

Generate barcodes in various formats (EAN, UPC, Code128).

Image Crop & Rotate
New

Crop, rotate, and resize images with custom aspect ratios or freehand selection.

Video to GIF Converter
New

Convert video files to animated GIFs in your browser. Trim clips, adjust FPS and resolution. No upload needed.

QR Code Reader

Scan and decode QR codes from images or camera.

Image Resizer

Resize images to exact dimensions or by percentage.

Screen Recorder
New

Record your screen, window, or browser tab with audio. No installation, no upload, 100% private.

Running Text / Marquee Display
New

Create animated scrolling running text with strobe effects, blink mode, and custom colors.

Sound Recorder
New

Record audio from your microphone directly in your browser. Pause, resume, and download as WebM or MP4. No installation, no upload, 100% private.

EXIF Viewer
New

View embedded metadata from photos — camera model, settings, GPS, date and more. 100% private.

WiFi QR Code Generator

Create QR codes to share WiFi access without typing passwords.

Face Anonymizer
New

Automatically detect and blur or pixelate faces in photos. Select all or individual faces. 100% private — runs in your browser.

Image Annotator
New

Annotate images with arrows, shapes, text, and freehand drawing. Upload or paste an image and download the result.

Security & Privacy
Password Generator

Generate secure passwords with custom complexity rules.

Hash Generator

Generate MD5, SHA-256, bcrypt, and other hash values from text.

UUID Generator
New

Generate unique UUIDs/GUIDs in v1 through v7 formats.

Base64 Encoder

Encode and decode Base64 strings and files.

Binary Converter
New

Convert text to binary code and decode binary strings back to text.

JWT Debugger
New

Decode, verify signature, and generate JSON Web Tokens (JWT) securely.

2FA TOTP Authenticator
New

Generate TOTP 2FA codes from secret keys or QR codes. Supports SHA1/SHA256/SHA512. 100% client-side.

Checksum Checker
New

Verify file integrity by computing MD5, SHA-1, SHA-256, SHA-512, and CRC32 checksums. Drop any file — runs entirely in your browser.

Password Strength Checker
New

Analyze password security and get improvement suggestions.

Text Encryptor

Securely encrypt and decrypt text using AES, DES, Rabbit, RC4, and customized RC4Drop algorithms.

HMAC Generator
New

Generate HMAC signatures for API authentication and data verification.

Image Steganography
New

Hide secret text messages inside images invisibly.

UUID Collision Calculator
New

Calculate the probability of generating duplicate UUIDs, ULIDs, or NanoIDs using the Birthday Problem formula.

Developer Tools
JSON Formatter
Format, validate, and beautify JSON data with syntax highlighting.
JSON to CSV
New
Convert JSON data to CSV format for spreadsheets.
HTML Formatter
Format and beautify HTML code with proper indentation.
Countdown Timer
New
Create a countdown timer for any date or event.
Data Checker
New
Validate your CSV data manually row-by-row. Mark rows as valid or invalid, add comments, export results.
Data Verifier
New
Verify and synchronize mismatched data between two sources instantly. find differences and fix errors.
Pomodoro Timer
New
Boost focus and productivity with customizable work intervals and breaks.
Markdown Editor
New
Edit and preview Markdown with live rendering.
CSS Minifier
New
Minify CSS code to reduce file size.
JavaScript Minifier
New
Minify JavaScript code to reduce file size.
SVG Optimizer
New
Optimize and compress SVG files using SVGO. Remove metadata, comments, and redundant data to reduce file size.
Regex Tester
Test and debug regular expressions with live matching.
Unix Timestamp
Convert between Unix timestamps and human-readable dates.
Diff Checker
Compare two texts or code snippets and highlight differences.
HTML Entity Encoder
New
Encode and decode HTML entities.
SQL Formatter
New
Format and beautify SQL queries with support for multiple dialects.
YAML Validator
New
Validate, format, and convert YAML in real-time. Pinpoints errors by line and column. Convert YAML ↔ JSON instantly.
Tree Visualizer
New
Build and animate binary trees from arrays or BST insertions. See interactive step-by-step traversal visualizations.
Time Complexity Calculator
New
Analyze time and space complexity of your algorithm. Paste code or pseudocode and get instant Big O notation with detailed explanation.
Crontab Generator
New
Build cron expressions visually or parse existing ones into human-readable schedules.
Instant Visualizer
New
Paste data from Excel or CSV and instantly get interactive charts, KPI cards, and insights — zero config needed.
HTML Viewer
New
Paste HTML, CSS, and JavaScript and see the live rendered result instantly. Manage separate files or write everything in a single document.
P2P Local Data Transfer
New
Send text and files directly between devices via WebRTC — no uploads, no accounts, nothing stored on any server.
Chmod Calculator
New
Calculate Unix file permissions interactively. Toggle read, write, execute bits for owner, group, and others. Get octal, symbolic, and chmod command output instantly.
Design Tools
Color Picker
Pick colors from images and convert between HEX, RGB, and HSL.
Color Palette Generator
New
Generate harmonious color palettes for your designs.
Gradient Generator
New
Create beautiful CSS gradients with visual editor.
Keyframe Animation Generator
New
Create CSS keyframe animations visually with live preview and instant code export.
Glassmorphism Generator
New
Create beautiful glassmorphism effects with live preview and CSS code export.
Contrast Checker
New
Check color contrast ratio for accessibility (WCAG).
Box Shadow Generator
New
Create CSS box shadows with visual editor and copy code.
Border Radius Generator
New
Generate custom CSS border radius with live preview.
CSS Triangle Generator
New
Create CSS triangles and arrows without images.
Font Pairing Tool
New
Find perfect Google Font combinations for your designs.
Color Blindness Simulator
New
Test your designs for different types of color blindness.
CSS Flexbox Generator
Visual flexbox layout generator with code export.
Screen Ruler
New
Measure objects in screenshots or screen captures with pixel rulers, boxes, calibration, and exportable results.
Text Utilities
Speech to Text
New
Convert your voice into text instantly with real-time transcription. Supports multiple languages.
Teleprompter
New
Free online teleprompter with auto-scroll and reading modes. Perfect for presentations, recording, and script reading.
Lorem Ipsum Generator
Generate placeholder text in various formats and lengths.
Word Counter
New
Count words, characters, sentences, and paragraphs.
Case Converter
New
Convert text between uppercase, lowercase, title case, and more.
Text Replace
New
Find and replace text instantly with support for plain text and regex patterns.
Text Affixer
New
Add prefixes and suffixes to each line or an entire text block.
ASCII Table Generator
New
Convert CSV, TSV, and delimited data into clean plain text ASCII tables.
Morse Code Encoder & Decoder
New
Convert text to Morse code or decode Morse code back to text instantly.
Text Cleaner
Remove extra spaces, duplicate lines, and clean up messy text.
Slug Generator
Generate URL-friendly slugs from text.
Text to Speech
Convert text to natural-sounding speech audio.
Text Reverser
New
Reverse text, words, or letters. Perfect for creating mirror text.
Duplicate Line Remover
New
Remove duplicate lines from text while preserving order.
Unicode Analyzer
New
Inspect every character: code points (U+XXXX), UTF-8 bytes, categories, Unicode blocks, and normalization forms. Detects invisible and special characters.
Linebreak Swap
New
Convert whitespace to newlines and vice versa. Split inline text into lines or join lines into one.
Text Sorter
New
Sort lists with 10 modes: alphabetical, natural, numeric, by length, reverse, and shuffle. Remove duplicates and pick any separator.
Line Numberer
New
Add multiple numbering styles to every line or strip copied line numbers from text and code snippets.
Web & SEO
Meta Tag Generator
Generate SEO-optimized meta tags for your website.
Sitemap Generator
Generate XML sitemaps for search engines.
Robots.txt Generator
Create robots.txt files for search engine crawlers.
My IP Address
Check your public IP address, location, and ISP details.
Internet Speed Test
Test your internet connection speed (download, upload, ping).
URL Encoder / Decoder
New
Encode or decode URLs. Convert special characters to safer URL formats.
Open Graph Generator
Generate Open Graph tags for social media sharing.
Schema Markup Generator
Create JSON-LD structured data for rich search results.
Twitter Card Generator
Generate XLogo Card meta tags for better link previews.
UTM Builder
Create UTM tracking parameters for campaign URLs.
Link Shortener
Create short, memorable URLs with custom aliases.
HTTP Status Code Checker
Check HTTP response codes and headers for any URL.
DNS Lookup
Query DNS records (A, AAAA, MX, TXT, CNAME) for any domain.
IPv4 Subnet Calculator
New
Calculate CIDR ranges, subnet masks, wildcard masks, broadcast addresses, and usable IPv4 hosts.
User Agent Checker
New
Detect your browser, OS, device type, and rendering engine from your user agent string.
Calculators
Scientific Calculator
Full-featured calculator with trigonometric, logarithmic, and exponential functions.
Unit Converter
Convert between different units of measurement.
Discount Calculator
Calculate the final price after discount. Supports stacked discounts and tax.
Percentage Calculator
New
Calculate percent of a value, percentage share, percent change, and increase or decrease by percentage.
Aspect Ratio Calculator
New
Simplify ratios and resize images, videos, and layouts while preserving proportions.
Age Calculator
New
Calculate your exact age in years, months, and days. See total days lived and countdown to your next birthday.
Date Calculator
New
Calculate the difference between two dates or add/subtract days, weeks, months, and years from any date.
Time Calculator
New
Calculate the difference between two times or add/subtract hours, minutes, and seconds from any time.
Event Timekeeper
New
Professional event schedule manager with real-time countdown and presenter focus mode.
Matrix Calculator
New
Perform matrix operations like addition, subtraction, multiplication, and determinant calculation.
BMI Calculator
Calculate Body Mass Index and health status.
Split Bill Calculator
New
Advanced bill splitting with custom shares, tax calculation, multi-currency support, PDF export, and QR code generation.
Loan Calculator
Soon
Calculate loan payments, interest, and amortization.
Tip Calculator
Soon
Calculate tips and split bills among multiple people.
Compound Interest Calculator
Soon
Calculate compound interest and investment growth over time.
Time Zone Converter
Soon
Convert time between different time zones worldwide.
Grade Calculator
Soon
Calculate weighted grades, GPA, and final scores.
Statistical Hypothesis Test
New
Calculate hypothesis tests for research: t-test, z-test, chi-square, ANOVA, and Pearson correlation. Paste data directly from Excel.
PDF & Documents
Media & Images
Security & Privacy
Developer Tools
Design Tools
Text Utilities
Web & SEO
Calculators

Document to Markdown

Convert PDF, Word, Excel, and other documents into Markdown. Runs securely in your browser.

Powered by Microsoft MarkItDown

Select document to convert

or drag and drop your file here (PDF, Word, Excel, PPTX, etc.)

Dependency Loading Strategy

Preloads MarkItDown (~50MB) for instant conversions.

Xenkio

Free browser-based tools that process everything locally. Your files never leave your device.

Popular Tools

  • Merge PDF
  • Document to MarkdownNEW
  • Remove BackgroundNEW
  • Image Compressor
  • QR Code Generator
  • Password Generator

New & Trending

  • PDF Compressor
  • Protect/Unlock PDF
  • PDF to Image
  • Invoice Generator
  • Sign PDF
  • Crop PDF

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  • Developer Tools
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