ToolCMB

150 free tools

All tools

Every tool runs locally in your browser — fast, free and private.

Audio Tools 24

Audio Bitrate Calculator Calculate audio bitrate online to estimate file size, audio quality, and data usage. Enter your audio duration, file size, or bitrate to quickly find the values you need. Free, fast, and easy to use. Audio Converter Convert audio files online between MP3, WAV, FLAC, AAC, and other popular formats. Fast, free, and easy to use. Audio Cutter Cut audio files online with a simple audio cutter. Trim your favorite songs, remove unwanted sections, and save the perfect audio clip. Fast, free, and easy to use. Audio Duration Calculator Calculate the total duration of multiple audio files online in seconds, minutes, or hours. Quickly check individual track lengths and combined playback time. Free, fast, and easy to use. Audio Joiner Merge multiple audio files into one seamless track online. Combine your favorite songs, recordings, or audio clips in seconds. Fast, free, and easy to use. Audio Metadata Viewer View audio metadata online to inspect file details such as title, artist, album, duration, bitrate, and format. Quickly check audio properties without installing software. Free and easy to use. Audio Speed Changer Change audio speed online without changing the pitch. Speed up audio for faster playback or slow it down to catch every detail. Fast, free, and easy to use. Audio Trimmer Trim audio files online with ease. Cut unwanted parts, select your favorite sections, and create audio clips in seconds. Fast, free, and easy to use. Audio Volume Normalizer Normalize audio volume online to achieve consistent loudness across your audio files. Make quiet recordings louder and balance volume levels for a smoother listening experience. Fast, free, and easy to use. Audio Waveform Generator Generate audio waveforms online from your favorite songs, recordings, or audio files. Create visual waveform graphics for music videos, podcasts, and audio projects. Fast, free, and easy to use. BPM Calculator Calculate the BPM (beats per minute) of a song online with ease. Tap along to the beat to find the tempo of your favorite music for DJ sets, music production, and practice. Free, fast, and easy to use. FLAC to MP3 Convert FLAC files to MP3 format online to reduce file size and enjoy easy playback on any device. Fast, free, and easy to use. ID3 Tag Editor Edit ID3 tags online to organize your MP3 files with titles, artists, albums, genres, and other metadata. Update song information quickly and easily without installing software. LUFS Calculator Calculate LUFS (Loudness Units Full Scale) to measure the perceived loudness of your audio files. Check integrated loudness and optimize audio levels for music production, podcasts, and streaming platforms. Free and easy to use. M4A to MP3 Convert M4A files to MP3 format online for wider compatibility and easy playback across devices. Fast, free, and simple to use. Mono to Stereo Convert mono audio to stereo online for free. Fast, simple, and easy to use. MP3 Compressor Compress MP3 audio files online to reduce file size while maintaining good sound quality. Fast, free, and privacy-friendly. MP3 to WAV Convert MP3 files to WAV format online for uncompressed audio and better editing flexibility. Fast, free, and easy to use. OGG to MP3 Convert OGG files to MP3 format online for easy playback and better compatibility across devices. Fast, free, and simple to use. Remove Audio Metadata Remove audio metadata online to delete hidden information such as artist, album, title, and other tags from your audio files. Keep your files clean and protect your privacy. Fast, free, and easy to use. Silence Remover Remove silent gaps from your audio recordings with the free online Silence Remover. Automatically detect and trim unwanted silence to create cleaner, smoother audio in just a few clicks. Fast, easy to use, and works right in your browser. Stereo to Mono Convert stereo audio to mono online for free. Fast, simple, and easy to use. WAV Compressor Compress WAV audio files online to reduce file size while maintaining good sound quality. Fast, free, and private. WAV to MP3 Convert WAV files to MP3 format online to reduce file size while keeping good audio quality. Fast, free, and easy to use.

PDF Tools 10

JPG to PDF Convert JPG images to PDF files online for free. Easily combine multiple JPG images into a single PDF document, ready to download, share, or print. PDF Compressor Compress PDF files online for free with a fast, privacy-focused tool. Reduce PDF file size without unnecessary uploads or complicated software. PDF Merger Merge multiple PDF files into one document online for free. Easily combine PDFs in your preferred order for sharing, storing, or printing. PDF Metadata Remover Remove metadata from PDF files online for free. Clean hidden document information such as author, title, and other metadata before sharing or publishing your PDF. PDF Page Deleter Delete unwanted pages from PDF files online for free. Select and remove specific pages quickly, then download a clean PDF without the pages you no longer need. PDF Page Extractor Extract specific pages from PDF files online for free. Select the pages you need and create a new PDF quickly and easily. PDF Page Reorder Reorder PDF pages online for free. Easily rearrange pages into the correct order and download your reorganized PDF in seconds. PDF Page Rotator Rotate PDF pages online for free. Quickly rotate individual pages or an entire PDF to the correct orientation, then download your updated document. PDF Splitter Split PDF files online for free. Extract specific pages or divide large PDF documents into smaller files quickly and easily. PDF to JPG Convert PDF pages to JPG images online for free. Quickly turn PDF documents into high-quality JPG files that are easy to view, share, and download.

SEO/Website Tools 15

.htaccess Generator Generate .htaccess rules to manage redirects, HTTPS, URL rewriting, access control, caching, and other Apache server settings. Canonical URL Generator Generate canonical URL tags to help search engines identify the preferred version of a web page and prevent duplicate content issues. DNS Checker Check DNS records for a domain to verify DNS configuration, identify record issues, and troubleshoot domain and website connectivity. HTTP Status Checker Check HTTP status codes for URLs to quickly identify redirects, client errors, server errors, and other response issues. Keyword Density Calculator Calculate keyword density to analyze how often keywords appear in your content and optimize your pages for better SEO. Meta Tag Generator Generate SEO-friendly meta tags for your website, including title, description, robots, and canonical tags. Open Graph Generator Generate Open Graph meta tags to control how your web pages appear when shared on Facebook, LinkedIn, X, and other social platforms. Page Size Checker Check your web page size to identify large files and resources that may affect loading speed, performance, and user experience. Redirect Checker Check URL redirects to identify redirect chains, loops, and HTTP status codes that may affect your website's SEO and user experience. Robots.txt Generator Generate a properly formatted robots.txt file to control how search engine crawlers access and index your website. Schema Generator Generate structured data (Schema.org) markup for your website to help search engines better understand and display your content in search results. Sitemap Generator Generate an XML sitemap to help search engines discover, crawl, and index your website pages more efficiently. SSL Checker Check your website's SSL certificate to verify its validity, expiration date, issuer, and other essential certificate details. Twitter Card Generator Generate Twitter Card meta tags to control how your web pages appear when shared on X, with optimized titles, descriptions, images, and card types. UTM Builder Build UTM tracking URLs to measure where your website traffic comes from and track the performance of your marketing campaigns.

Subtitle Tools 19

ASS to SRT ASS to SRT – Convert ASS subtitle files to SRT format while preserving subtitle text and timing. SRT Editor SRT Editor – Edit SRT subtitle files online with ease. Adjust subtitle text, timing, and timestamps, then export your updated subtitles in SRT format. SRT Formatter SRT Formatter – Clean and format SRT files by fixing numbering, timestamps, and structure. SRT Sync SRT Sync – Synchronize subtitles with video by adjusting timing and fixing subtitle delays. SRT Time Shift SRT Time Shift – Shift subtitle timestamps forward or backward to sync subtitles with video. SRT to TXT SRT to TXT – Extract subtitle text from SRT files and convert it to plain text. SRT to VTT SRT to VTT – Convert SRT subtitle files to VTT format quickly and easily. SRT Validator SRT Validator – Validate SRT files and detect errors in numbering, timestamps, and subtitle formatting. SRT Viewer SRT Viewer – View, read, and inspect SRT subtitle files online with a clean, easy-to-use interface. Subtitle Character Counter Subtitle Character Counter – Count characters in subtitle files to check line lengths and improve readability. Subtitle CPS Calculator Subtitle CPS Calculator – Calculate subtitle characters per second (CPS) to check reading speed and readability. Subtitle Delay Subtitle Delay – Adjust subtitle timing by shifting subtitles forward or backward to match video playback. Subtitle Duration Fixer Subtitle Duration Fixer – Fix subtitle durations by adjusting display times for better synchronization. Subtitle Line Breaker Subtitle Line Breaker – Automatically split subtitle lines for better readability and consistent formatting. Subtitle Merge Subtitle Merge – Merge multiple subtitle files into one while preserving text and timing. Subtitle Split Subtitle Split – Split subtitle files into smaller parts by time or subtitle count. Subtitle Timing Calculator Subtitle Timing Calculator – Calculate subtitle timings and durations to ensure accurate synchronization with video. TXT to SRT TXT to SRT – Convert plain text into SRT subtitle files with proper numbering and timestamps. VTT to SRT VTT to SRT – Convert VTT subtitle files to SRT format quickly and easily.

Video Tools 20

Change Video Speed Speed up or slow down videos online with ease. Adjust video playback speed while keeping your video quality intact, with no signup required. Extract Frames from Video Extract individual frames from videos and save them as high-quality images. Choose specific timestamps or capture frames quickly with no signup required. GIF to MP4 Convert GIF files to MP4 videos online quickly and easily. Get smaller, high-quality video files with no signup required. Mute Video Remove audio from videos online quickly and easily. Mute your video without affecting its visual quality, with no signup required. Social Video Resizer Resize videos for popular social media platforms like YouTube, Instagram, TikTok, and Facebook. Quickly adjust video dimensions and aspect ratios for the perfect fit. TikTok / Reels / Shorts Video Converter Convert and optimize videos for TikTok, Instagram Reels, and YouTube Shorts. Quickly adjust video size, aspect ratio, resolution, and format for vertical social media content. Video Aspect Ratio Converter Convert video aspect ratios online for different screens, platforms, and social media formats. Fast, free, and easy to use with no signup required. Video Bitrate Calculator Calculate the ideal video bitrate based on resolution, frame rate, codec, and video quality. Get quick bitrate estimates for streaming, uploading, and video production. Video Compressor Compress video files online to reduce file size while maintaining good quality. Fast, free, and privacy-friendly video compression with no signup required. Video Cropper Crop videos online to remove unwanted areas and create the perfect frame. Fast, free, and easy to use with no signup required. Video File Size Calculator Calculate video file size based on resolution, frame rate, bitrate, duration, and codec. Get a quick estimate to plan storage and upload requirements. Video FPS Converter Convert video frame rates online to match your project, device, or playback needs. Fast, free, and easy to use with no signup required. Video Metadata Cleaner Remove hidden metadata and personal information from video files online. Clean your videos quickly to improve privacy before sharing or uploading. Video Metadata Viewer View video metadata online, including file format, resolution, frame rate, duration, codec, and other technical details. Fast, free, and easy to use. Video Orientation Fixer Fix rotated or incorrectly oriented videos online with a single click. Rotate your video to the correct orientation quickly and easily, with no signup required. Video Resizer Resize videos online to fit any screen, platform, or social media format. Fast, free, and easy to use with no signup required. Video Resolution Converter Change video resolution online to fit different devices, screens, and platforms. Fast, free, and easy to use with no signup required. Video Thumbnail Extractor Extract high-quality thumbnails from videos online. Choose the perfect frame and save it as an image quickly and easily, with no signup required. Video to GIF Convert videos to animated GIFs online quickly and easily. Create high-quality GIFs from your favorite video clips with no signup required. Video Trimmer Trim videos online to quickly remove unwanted parts and keep only the clips you need. Fast, free, and easy to use with no signup required.

Image Tools 10

Favicon Generator Create a custom favicon from your image and download it in ready-to-use formats for your website. Image Background Remover Remove image backgrounds instantly and download transparent PNGs for free. Image Metadata Cleaner Remove hidden metadata from images to protect your privacy before sharing or publishing. Image Placeholder Generator Generate custom image placeholders for websites, apps, and responsive layouts. OG image Generator Create custom Open Graph images for your website, blog posts, and social media shares. Social Media Image Resizer Resize images for Instagram, Facebook, X, LinkedIn, and other social media platforms. Image Compressor Popular Shrink JPG, PNG and WebP files by up to 80% without visible quality loss. Image Resizer Resize images to exact pixels or percentages, in bulk. JPG to WebP Convert JPG and PNG images to lightweight WebP for faster websites. HEIC to JPG New Open iPhone HEIC photos anywhere by converting them to JPG.

Developer 16

Code Formatter Format and beautify code instantly for cleaner, more readable, and consistent source code. Color Converter Convert colors between HEX, RGB, HSL, and other popular color formats instantly. Contrast Checker Check color contrast ratios instantly and ensure your text and UI colors meet WCAG accessibility guidelines. Gradient Generator Create beautiful CSS gradients instantly with customizable colors, direction, and gradient type. Hash Generator Generate secure hashes from text instantly in your browser using popular hashing algorithms. JWT Decoder Decode JWT tokens instantly and inspect their header and payload directly in your browser. No data is uploaded to the server. Palette Collection Explore and save curated color palettes for web design, UI, branding, and creative projects. Palette Extractor Extract beautiful color palettes from images instantly. Upload an image to identify its dominant colors and get matching HEX codes. Palette Generator Generate beautiful color palettes instantly with customizable colors and harmonious combinations for your design projects. Pixel Picker Pick colors directly from images and get accurate HEX, RGB, HSL, and other color values instantly. Regex Tester Test regular expressions instantly against your text, with clear match results and error feedback. Timestamp Converter Convert Unix timestamps to readable dates and times, or convert dates and times into Unix timestamps instantly. URL Encoder-Decoder Encode or decode URLs quickly and securely in your browser. No data is uploaded to the server. UUID Generator Generate unique UUIDs instantly in your browser. Choose the number of UUIDs to create and copy them with one click. JSON Formatter Popular Beautify, validate and minify JSON with syntax highlighting. Base64 Encoder Encode and decode text or files to Base64 instantly.

Calculators 32

Age Calculator Calculate your exact age in years, months, and days from your date of birth. Average Calculator Calculate the average of a set of numbers quickly and accurately. BMI Calculator Calculate your Body Mass Index (BMI) based on your height and weight. Calorie Calculator Calculate your daily calorie needs based on your age, gender, height, weight, and activity level. Concrete Calculator Calculate the amount of concrete needed for slabs, foundations, footings, and other projects. Currency Calculator Convert between currencies using the latest exchange rates. Date Calculator Calculate the number of days between two dates or find a date by adding or subtracting time. Discount Calculator Calculate the sale price, discount amount, and final price after a discount. Equation Calculator Solve equations step by step and find the values of unknown variables. Flooring Calculator Calculate the flooring materials needed based on your room dimensions, including area and waste. Fraction Calculator Simplify, add, subtract, multiply, and divide fractions with step-by-step results. Gravel Calculator Calculate the amount of gravel needed for driveways, paths, patios, and other projects. Hours Calculator Calculate total hours and minutes between two times or add and subtract working hours. Inflation Calculator Calculate how inflation affects the purchasing power of money over time. Interest Calculator Calculate simple and compound interest, total interest earned, and final amount. Loan Calculator Calculate monthly payments, total interest, and total repayment for a loan. Paint Calculator Estimate how much paint you need based on your wall area, number of coats, and paint coverage. Percentage Change Calculate the percentage increase or decrease between two values quickly and accurately. Quadratic Calculator Solve quadratic equations and calculate the roots, discriminant, and vertex of a parabola. Ratio Calculator Calculate and simplify ratios, find equivalent ratios, and solve for missing values quickly and accurately. Retirement Calculator Estimate how much you need to save for retirement and how much you could have by retirement age. Roofing Calculator Calculate the materials needed for your roof based on its dimensions, pitch, and roofing type. Salary Calculator Calculate your hourly, weekly, monthly, and annual salary based on your pay rate and work hours. Scientific Calculator Perform advanced mathematical calculations with trigonometric, logarithmic, exponential, and other scientific functions. Split Bill Calculator Split a bill evenly between people and calculate each person's share, including tip. Take Home Pay Calculator Estimate your take-home pay after taxes and other common payroll deductions. Tile Calculator Calculate how many tiles you need based on your room size, tile dimensions, and desired waste percentage. Time Calculator Calculate time durations, add or subtract hours and minutes, and find the total time between two times. Tip Calculator Calculate your tip, total bill, and per-person share quickly and easily. Volume Calculator Calculate the volume of common 3D shapes using simple measurements. Percentage Calculator Work out percentages, increases and differences in seconds. Mortgage Calculator Estimate monthly payments, interest and amortization schedules.

Generators 4

Barcode Generator Create barcodes instantly from text or numbers and download them as high-quality images for easy printing and sharing. EAN Generator Generate EAN barcodes instantly from product numbers, with automatic validation and easy download for printing and use. UPC Generator Generate UPC barcodes instantly from product numbers, with automatic validation and easy download for printing and use. QR Code Generator Popular Create QR codes for links, Wi-Fi, text and vCards. Download as PNG or SVG.