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All 222 Free Online Tools

PDF, image, video, audio, developer utilities and more — no sign-up required.

Showing all 222 tools
🎵
AAC Converter
Convert audio files to Advanced Audio Coding (AAC) format.
🎵
Audio Compressor
Reduce audio file size by lowering bitrate and sample quality.
🎵
Audio Cutter
Cut specific time segments out of any audio track.
🎵
Audio Merger
Join multiple audio files sequentially into one unified track.
🎵
Audio Metadata Editor
View and edit song titles, artists, albums, and genre tags.
🎵
Audio Metadata Remover
Strip ID3 tags, album art, and tracking metadata from audio files.
🎵
Audio Normalizer
Standardize audio volume levels consistently across tracks.
🎵
Audio Pitch Changer
Shift the musical pitch higher or lower without changing speed.
🎵
Audio Speed Changer
Speed up or slow down playback tempo without altering pitch.
🎵
Audio Trimmer
Trim start and end points of audio recordings easily.
🎵
Audio Volume Booster
Increase the decibel output and volume of quiet audio files.
🎵
FLAC Converter
Convert between compressed lossless FLAC and other audio formats.
🎵
M4A to MP3
Convert Apple M4A audio tracks into standard MP3 files.
🎵
MP3 Converter
Convert audio files into high-compatibility MP3 format.
🎵
OGG Converter
Convert media files into open-source Ogg Vorbis audio files.
🎵
Video-to-Audio Extraction
Pull audio streams directly out of video files into MP3 or WAV.
🎵
WAV to MP3
Convert uncompressed WAV audio files into compressed MP3s.
🔢
Age Calculator
Calculate exact age in years, months, weeks, days, hours, and minutes.
🔢
Area Converter
Convert square units including acres, hectares, square meters, and square feet.
🔢
BMI Calculator
Calculate Body Mass Index (BMI) and check healthy weight ranges.
🔢
Data-Size Converter
Convert digital data units between Bytes, KB, MB, GB, TB, and PB.
🔢
Date Calculator
Add or subtract days from a date or calculate the duration between two dates.
🔢
Discount Calculator
Calculate sale savings, final checkout prices, and discount percentages.
🔢
Fuel Economy Converter
Convert fuel efficiency between MPG, L/100km, and km/L.
🔢
Interest Calculator
Calculate simple and compound interest returns over time.
🔢
Length Converter
Convert measurements between meters, feet, inches, kilometers, miles, and more.
🔢
Loan Calculator
Calculate monthly mortgage or loan payments, interest, and amortization.
🔢
Percentage Calculator
Calculate percentage increases, decreases, proportions, and margins instantly.
🔢
Ratio Calculator
Calculate, scale, and solve proportions and mathematical ratios.
🔢
Speed Converter
Convert speed measurements between km/h, mph, knots, and meters per second.
🔢
Temperature Converter
Convert temperature values between Celsius, Fahrenheit, and Kelvin.
🔢
Time Calculator
Add, subtract, and convert hours, minutes, and seconds easily.
🔢
Unit Converter
Universal unit conversion utility for physical and scientific measurements.
🔢
VAT/GST Calculator
Calculate regional value-added tax and goods/services tax with custom rates.
🔢
Volume Converter
Convert fluid volume units between liters, gallons, cups, and milliliters.
🔢
Weight Converter
Convert mass and weight units between kilograms, pounds, ounces, and grams.
🎨
Border-Radius Generator
Customize rounded corners and generate clean CSS border-radius code.
🎨
Box-Shadow Generator
Design smooth CSS box shadows with live visual preview and code copy.
🎨
Color Picker
Pick colors from images or screen and inspect values instantly.
🎨
Contrast Checker
Check WCAG text color contrast ratios for web accessibility compliance.
🎨
CSS Animation Generator
Build keyframe animations visually and export production-ready CSS.
🎨
CSS Button Generator
Design modern, responsive call-to-action buttons with custom CSS.
🎨
CSS Gradient Generator
Generate cross-browser CSS gradient code snippets visually.
🎨
Gradient Generator
Create and customize linear or radial color gradients for web design.
🎨
HEX/RGB/HSL Converter
Convert color codes effortlessly between HEX, RGB, and HSL formats.
🎨
Palette Generator
Generate harmonious color palettes for UI/UX and branding projects.
💻
Base64 Decoder
Decode Base64 encoded strings back into plain text.
💻
Base64 Encoder / Decoder
Encode plain text or data strings into secure Base64 format.
💻
Color Converter
Convert color values across various design color models.
💻
CSS Minifier
Minify and optimize CSS stylesheets by stripping comments and spaces.
💻
Hash Generator
Generate multi-algorithm cryptographic hashes from text data.
💻
HTML Formatter
Pretty-print and structure raw HTML markup source code.
💻
HTML Minifier
Compress HTML markup to optimize page delivery speed.
💻
JavaScript Minifier
Compress and optimize JavaScript source code for production.
💻
JSON Diff
Compare two JSON data objects and identify schema discrepancies.
💻
JSON Formatter
Beautify and format compressed or messy JSON data structures.
💻
JSON Minifier
Compress and strip whitespace from JSON objects for production.
💻
JSON Validator
Check and validate JSON syntax compliance in real time.
💻
JWT Decoder
Decode and inspect JSON Web Token headers, payloads, and signatures.
💻
Lorem Ipsum Generator
Generate customizable placeholder dummy text paragraphs.
💻
MD5 Generator
Compute MD5 cryptographic checksum hashes from text.
💻
Password Generator
Generate secure, high-entropy cryptographic keys and passwords.
💻
QR Decoder
Decode and read embedded data out of QR code images.
💻
Regex Generator
Generate regular expression patterns based on sample matches.
💻
Regex Tester
Test and evaluate regular expressions against live sample text.
💻
SHA Generator
Generate SHA-256, SHA-384, and SHA-512 cryptographic hashes.
💻
Timestamp Converter
Convert dates and times between human-readable formats and epochs.
💻
Unix Timestamp Converter
Convert Unix epoch timestamps to UTC and local calendar dates.
💻
URL Decoder
Decode percent-encoded URL query strings back to human-readable text.
💻
URL Encoder / Decoder
Percent-encode special characters for safe URL transmission.
💻
UUID Generator
Generate cryptographically secure version 4 UUIDs instantly.
💻
XML Formatter
Beautify and indent XML markup documents cleanly.
💻
XML Validator
Validate XML structure and detect syntax errors instantly.
📝
CSV Converter
Convert comma-separated values between multiple structured formats.
📝
CSV to JSON
Transform tabular CSV spreadsheet data into structured JSON objects.
📝
Document Merger
Merge multiple text and document files into a single unified file.
📝
Document Splitter
Split large document files into smaller, manageable sections.
📝
Excel to PDF
Convert spreadsheets and tables (.xlsx, .xls) into clean PDF layouts.
📝
HTML to Image
Capture and render web pages into high-resolution PNG or JPG images.
📝
HTML to PDF
Render web pages or raw HTML markup code directly into PDF documents.
📝
JSON to CSV
Convert nested or flat JSON datasets into clean spreadsheet-ready CSV.
📝
Markdown Converter
Convert Markdown (.md) documents into HTML, PDF, or text.
📝
PDF to Excel
Extract tabular data from PDF pages directly into Excel spreadsheets.
📝
PDF to PPT
Convert PDF document pages into editable PowerPoint presentation slides.
📝
PDF to Word
Convert PDF files back into fully editable Microsoft Word documents.
📝
PPT to PDF
Convert PowerPoint presentations (.pptx) into static PDF slides.
📝
RTF Converter
Convert Rich Text Format files into modern document formats.
📝
TXT to PDF
Convert plain text files into formatted PDF documents.
📝
Word to PDF
Convert Microsoft Word documents (.docx, .doc) into professional PDFs.
📝
XML Converter
Convert XML data files into JSON, CSV, or YAML formats.
🖼️
AVIF Converter
Convert images to and from the next-gen AVIF format.
🖼️
Base64 Image Decoder
Decode Base64 strings back into downloadable image files.
🖼️
Base64 Image Encoder
Encode image files directly into Base64 strings for code embed.
🖼️
Bulk Image Compressor
Compress multiple image files simultaneously in batch.
🖼️
Compress Image
Compress PNG and JPG images without losing quality.
🖼️
Favicon Generator
Generate multi-resolution website favicons from any image.
🖼️
GIF Frame Extractor
Extract individual static image frames out of an animated GIF.
🖼️
GIF Maker
Combine multiple sequence images into a smooth animated GIF.
🖼️
GIF Optimizer
Shrink animated GIF file sizes by reducing color palette or frames.
🖼️
HEIC to JPG
Convert iPhone HEIC photos into universally viewable JPGs.
🖼️
HEIC to PNG
Convert HEIC images into standard PNG format.
🖼️
ICO Converter
Convert standard images into Windows ICO icon files.
🖼️
Image Compressor
Compress images without quality loss.
🖼️
Image Compressor
Reduce image file size intelligently without losing visual quality.
🖼️
Image Converter
Universal tool to convert images between various raster formats.
🖼️
Image Cropper
Crop unwanted borders or focus areas out of your images.
🖼️
Image Dimension Changer
Scale image width and height with aspect ratio control.
🖼️
Image DPI Changer
Modify image DPI resolution for print or digital workflows.
🖼️
Image Flipper
Mirror images horizontally or vertically.
🖼️
Image Metadata Remover
Strip EXIF, location, and camera metadata for privacy.
🖼️
Image Quality Optimizer
Fine-tune compression levels and balance visual output.
🖼️
Image Resizer
Resize image dimensions precisely by pixel or percentage.
🖼️
Image Rotator
Rotate image orientation by 90, 180, or custom degrees.
🖼️
Image to PDF
Compile single or multiple images into a professional document.
🖼️
JPG to PNG
Convert JPG images into high-quality transparent PNG format.
🖼️
JPG to WebP
Optimize and convert JPG images to modern WebP format.
🖼️
Passport Photo Maker
Crop and format photos to official passport dimensions.
🖼️
PDF to Images
Extract pages of any PDF document into individual image files.
🖼️
PNG to JPG
Convert PNG images into smaller, web-friendly JPG files.
🖼️
PNG to WebP
Convert transparent PNGs into efficient WebP format.
🖼️
Social Media Image Resizer
Resize images instantly for Instagram, Twitter, and Facebook.
🖼️
SVG Optimizer
Clean up and minify SVG vector code for optimal web performance.
🖼️
SVG to JPG
Convert scalable vector graphics into standard JPG images.
🖼️
SVG to PNG
Rasterize vector SVG files into high-resolution PNG images.
🖼️
WebP to JPG
Convert modern WebP images into standard JPG format.
📄
Compress PDF
Reduce the file size of your PDFs while preserving quality.
📄
Delete PDF Pages
Remove unnecessary or blank pages from your PDF file.
📄
Edit PDF
Add text, shapes, and annotations directly to your PDF files.
📄
Extract PDF Pages
Pull specific pages out of a PDF into a brand-new file.
📄
JPG to PDF
Combine multiple JPG images into a single professional PDF document.
📄
Merge PDF
Combine multiple PDF files into one unified document.
📄
Organize PDF
Rearrange, reorder, or delete pages within your PDF document.
📄
PDF Compare
Side-by-side comparison to find text and layout changes between two PDFs.
📄
PDF Crop
Trim white space or alter the visible margins of your PDF pages.
📄
PDF Flatten
Merge interactive form fields and annotations into static PDF layers.
📄
PDF Image Extractor
Extract all embedded raster images from a PDF file automatically.
📄
PDF Metadata Editor
View and modify document properties like title, author, and subject.
📄
PDF OCR
Perform optical character recognition to make scanned PDFs searchable.
📄
PDF Page Numbering
Automatically stamp sequential page numbers onto your PDF pages.
📄
PDF Password Generator
Generate complex, secure passwords specifically for document encryption.
📄
PDF Protect
Encrypt sensitive PDF documents with a secure password.
📄
PDF Redaction
Permanently black out sensitive or confidential text within a PDF.
📄
PDF Repair
Recover and fix corrupted or unreadable PDF files.
📄
PDF Sign
Add digital signatures or signatures drawn by hand to your documents.
📄
PDF Text Extractor
Extract raw text content out of any PDF document instantly.
📄
PDF to JPG
Convert each page of a PDF file into high-quality JPG images.
📄
PDF Unlock
Remove passwords and permission restrictions from PDF files.
📄
PDF Watermark
Stamp custom text or image watermarks across your PDF pages.
📄
PNG to PDF
Convert PNG images into structured PDF files seamlessly.
📄
Remove PDF Watermark
Strip out unwanted or legacy watermarks where permitted.
📄
Rotate PDF
Rotate portrait or landscape PDF pages to the correct orientation.
📄
Split PDF
Separate a single PDF file into multiple individual documents.
📱
Barcode Generator
Generate standard retail and inventory barcodes (UPC, EAN, Code 128).
📱
Email QR Generator
Generate QR codes that auto-compose pre-filled email messages when scanned.
📱
Phone QR Generator
Create QR codes that instantly trigger a phone call when scanned by users.
📱
QR Generator
Generate customizable QR codes for links, text, and data.
📱
Text QR Generator
Encode plain text messages securely into scannable QR matrix codes.
📱
URL QR Generator
Generate scannable QR codes that direct users straight to websites or landing pages.
📱
vCard QR Generator
Create digital business card QR codes containing contact details, phone, and email.
📱
Wi-Fi QR Generator
Generate QR codes that allow guests to connect to Wi-Fi networks instantly upon scanning.
🔍
DNS Lookup
Query DNS records including A, AAAA, MX, TXT, and CNAME.
🔍
Favicon Checker
Verify website favicon existence and link configurations.
🔍
HTML Extractor
Extract links, images, scripts, and media elements from HTML source.
🔍
HTTP Header Checker
Inspect HTTP response headers, status codes, and server configurations.
🔍
IP Lookup
Lookup geolocation, ISP, and network details for any IP address or domain.
🔍
Meta Tag Analyzer
Inspect title tags, descriptions, viewports, and SEO meta headers.
🔍
Open Graph Preview
Preview how web pages render when shared on social media platforms.
🔍
Page Size Checker
Measure total web page asset weight, HTML size, and resource load.
🔍
Redirect Checker
Trace full HTTP redirect chains and final destination URLs.
🔍
Robots.txt Checker
Test and validate website robots.txt crawl rules and directives.
🔍
Sitemap Checker
Validate XML sitemaps and check indexable URL structures.
🔍
Source Viewer
View and inspect raw HTML source code of any web page.
🔍
SSL Checker
Verify SSL/TLS certificate validity, issuer, and expiration dates.
🔍
URL Parser
Break down URLs into protocol, host, pathname, query parameters, and hash.
🔍
URL Status Checker
Batch check HTTP status codes (200, 301, 404, 500) for web links.
🔍
Website Screenshot
Capture full-page visual screenshots of any live URL instantly.
🔍
Website Technology Checker
Detect CMS, frameworks, analytics, and server technologies running on any website.
✏️
Alternating Case
Format text with alternating aLtErNaTiNg capitalization.
✏️
ASCII Converter
Convert text strings into ASCII decimal, hex, or binary code values.
✏️
Case Converter
Convert text case between multiple standard text formats.
✏️
Character Counter
Count characters with and without spaces, including byte length.
✏️
Find and Replace
Search for specific terms and replace them across text blocks.
✏️
Line-Break Remover
Remove line breaks and wrap text into continuous paragraphs.
✏️
Lowercase
Convert all text characters into lowercase letters.
✏️
Reading Time Calculator
Calculate estimated reading time based on average human reading speeds.
✏️
Remove Duplicate Lines
Filter and strip duplicate lines out of text lists.
✏️
Reverse Text
Reverse text string character by character or line by line.
✏️
Sentence Case
Capitalize only the first letter of each sentence.
✏️
Sentence Counter
Count total sentences and paragraphs in any written content.
✏️
Slug Generator
Convert titles and strings into URL-friendly, lowercase slugs.
✏️
Sort Lines
Alphabetize or numerically sort text lines in ascending or descending order.
✏️
Text Cleaner
Clean up messy text by normalizing quotes, spaces, and invisible characters.
✏️
Text Diff
Compare two blocks of text side by side to highlight additions and deletions.
✏️
Text Joiner
Join multiple lines or strings together using custom separators.
✏️
Text Repeater
Repeat any text string or line a specified number of times.
✏️
Text Splitter
Split text blocks by custom delimiters, words, or character limits.
✏️
Title Case
Capitalize the first letter of every principal word.
✏️
Unicode Inspector
Inspect characters, code points, and encodings of text strings.
✏️
Uppercase
Convert all text characters into capital uppercase letters.
✏️
Whitespace Remover
Strip extra spaces, tabs, and trailing whitespace from strings.
✏️
Word Counter
Count total words, characters, syllables, and reading complexity instantly.
🎬
Audio Extractor
Extract audio soundtracks directly out of video files.
🎬
AVI to MP4
Transform legacy AVI video files into highly compatible MP4s.
🎬
FPS Changer
Change the frame rate (FPS) of your video files.
🎬
GIF-to-Video
Convert animated GIFs back into MP4 video format.
🎬
MKV Converter
Convert Matroska MKV video files into MP4 or other container formats.
🎬
MOV to MP4
Convert Apple QuickTime MOV videos into standard MP4 files.
🎬
MP4 Converter
Convert various video formats into universal MP4 container files.
🎬
MP4 to WebM
Convert MP4 video files into high-performance WebM format.
🎬
Resolution Changer
Switch video resolution between 1080p, 720p, 4K, and more.
🎬
Video Compressor
Reduce video file size by adjusting bitrate and resolution.
🎬
Video Cropper
Crop out unwanted borders or aspect ratios from your videos.
🎬
Video Cutter
Cut specific timestamp segments out of your video clips.
🎬
Video Merger
Join multiple video files sequentially into a single clip.
🎬
Video Metadata Remover
Strip creation dates, camera data, and tracking metadata.
🎬
Video Mute Tool
Permanently remove and strip audio tracks out of video files.
🎬
Video Resizer
Scale video dimensions to standard or custom resolutions.
🎬
Video Rotator
Rotate video orientation by 90, 180, or custom degrees.
🎬
Video Thumbnail Generator
Capture still preview frames from any point in a video.
🎬
Video Trimmer
Trim start and end points of video files quickly.
🎬
Video-to-GIF
Convert video clips or short segments into animated GIFs.
🎬
WebM Converter
Convert video files into optimized WebM format for web streaming.
🔍

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