All Tools Directory
Browse every client-side tool available on Master Tool Suite. Fast, free, and completely private.
Image Tools (14)
Background Remove
Isolate objects in high-contrast solid backgrounds using client-side chroma key masking th...
Color Picker
Pick and parse hex colors from pixel clusters. The engine samples data on local canvases....
Compress Image
Compress Image operates 100% locally on your device to shrink image files. Adjust the qual...
Crop Image
Trim the edges of your photos using specific aspect ratios or manual pixel bounds. The cro...
EXIF Remove
Strips APP1 markers directly from JPEG binary buffers. Unlike canvas rendering, this retai...
EXIF View
Scan JPEG files to detect APP1 segments hosting camera, lens, and file markers. Operations...
Favicon Generator
Renders multiple favicon layouts locally, outputting a standard favicons bundle....
Palette Extractor
Identifies the dominant colors in an image and exports them as a list of HEX codes, local-...
Passport Photo
Calculates centered bounding boxes to crop photos matching country standards at 300 DPI....
Pixelate Image
Censor details or apply retro pixelated pixel grids to your digital photos. Processed inst...
Resize Image
Resize your images instantly. Set custom pixel widths and heights, and opt to lock the asp...
Signature Maker
Strips paper background color using canvas contrast masks to isolate ink strokes....
Universal Image Converter
Master Tool Suite Universal Image Converter lets you convert between all major image forma...
Watermark Image
Easily apply branding overlays to your digital photos. The watermark text renders local-on...
PDF Tools (16)
Compress PDF
Compress PDF runs completely in your local browser to downsample images and remove redunda...
Extract PDF Images
Scan and extract image files from your document stream or insert new pictures with full cl...
Fill PDF Forms
Identify and fill interactive form elements (AcroForms) safely inside your browser....
Image to PDF
Image to PDF wraps your pictures inside standard A4 or custom PDF pages with layout reorde...
Merge PDF
Merge multiple PDF files easily. Drop your files, drag to reorder their pages, and compile...
PDF Editor
Our client-side editor lets you write text, insert vector shapes, highlight sections, and ...
PDF Header & Footer
Inject page numbers, filename stamps, dates, or custom layouts to headers and footers of y...
PDF to Image
Render document frames onto image buffers, downloading them as numbered zip catalogs....
PDF to Text
Parse character streams to save documents as text files or perform client-side OCR on scan...
PDF to Word
Extract layout contents and generate clean Word documents locally....
Remove PDF Password
Remove password locks from secure PDFs instantly. All decryption routines occur locally in...
Resize PDF
Scale your document pages to standard sizes (A4, Letter, Legal) or custom viewports with c...
Sign PDF
Apply signature stamps to your pages. Drawn, typed, and uploaded signatures are cached loc...
Split PDF
Extract pages or split your documents after every N pages using our visual workspace, runn...
Watermark PDF
Stamps custom text or logo watermarks onto your documents, with real-time browser preview....
Word to PDF
Word to PDF compiles character formatting and layout properties into standard PDF format....
Text Tools (36)
Acronym Generator
Extracts the capitalized initials of non-trivial words....
Alphabetizer
Sorts lists in natural alphabetical order....
ASCII Text Converter
Maps characters to their decimal code point representations....
Braille Translator
Maps alphabetical characters directly to equivalent unicode Braille dots....
Case Converter
Change text case formatting instantly. This online Case Converter tool handles case change...
Character Counter
Track exact letter and character limits online. This Character Counter calculates characte...
Diff Checker
Identify text and code changes with our Diff Checker. This tool highlights additions in gr...
Find & Replace
Replaces matching text queries client-side in real-time....
HTML → Markdown
Extracts structural web elements and maps them to markdown layout symbols....
Lorem Ipsum Generator
Randomly builds mock content from a standard Latin vocabulary database....
Markdown → HTML
Compiles standard markdown blocks into structured HTML syntax....
Morse Code Translator
Encodes character arrays using standard international Morse code mappings....
NATO Alphabet spelling
Maps words into standard aviation spelling strings....
Pig Latin Translator
Applies standard prefix vowel-consonant cluster shift rules....
Random Text Generator
Uses cryptographically secure random number APIs to compile text sequences....
Readability Score
Assess complexity grades using mathematical syllable-to-word ratios....
Reading Time Calculator
Calculates reading duration metrics based on customizable default speed constants....
Remove Duplicate Lines
Uses a Hash Set lookup to extract unique lines....
Remove Empty Lines
Filters out blank line arrays to collapse text lists....
Remove Extra Spaces
Strips redundant spacing while maintaining line break structure....
Reverse Lines
Flips arrays of text lines vertically....
Reverse Text
Reverses string character offsets while safely preserving emoji pairings....
Reverse Words
Splits sentences by whitespace and reverses the word order....
Rich Text Cleaner
Cleans line endings and strips text formatting attributes....
ROT13 Encoder/Decoder
Applies a fixed shift rotation index of 13....
Slug Generator
Normalizes and replaces spaces/punctuation with hyphens....
Sort Lines
Applies array sort rules to arrange text lists....
Strip HTML Tags
Uses DOM parsing APIs to extract clean plain text....
Syllable Counter
Counts syllables using phonetic vowel sequence heuristic rules....
Text Compare
Performs word alignments to highlight changes....
Text Joiner
Merges line arrays using the selected character separator....
Text Keyword Density Analyzer
Check keyword ratios and density distribution tables for SEO copy optimization....
Text Repeater
Generates repeated strings with safeguards to prevent browser memory exhaustion....
Text Splitter
Splits text into chunks, preserving word boundaries near the limits where possible....
Word Counter
Analyze writing metrics in real-time. This free online Word Counter tracks total word coun...
Word Frequency Analyzer
Extract sorted lists of unique words and counts to audit writing redundancy....
Developer Tools (34)
Base Converter
Maps integer representations across standard bases....
Base64 Encode / Decode
Encodes binary-safe data representations to Base64 strings....
Binary to Text Converter
Converts characters into 8-bit binary representation strings....
Code Beautifier (HTML/CSS/JS)
Applies nested indentations to code blocks....
Code Minifier (HTML/CSS/JS)
Compresses programming syntax to reduce network asset payload sizes....
Cron Builder
Validates 5-field cron segments to print the next run time lists....
CSV to JSON Converter
Maps comma-separated headers into JSON collections....
Fake Data Generator
Compiles dummy arrays containing names, emails, prices, and timestamp records....
Hash Generator
Compute cryptographic hashes dynamically inside your browser memory. Ideal for password ha...
Hex to Text Converter
Converts letters to base-16 byte strings....
HMAC Generator
Compute Hash-based Message Authentication Codes (HMAC) to verify message integrity and aut...
HTML Entity Encode / Decode
Replaces characters like < and > with safe XML entities....
JSON Formatter
Formats JSON documents while validating syntax parsing errors....
JSON Minifier
Minifies JSON documents into single line outputs....
JSON Validator
Performs syntax parsing audits on JSON structures....
JWT Decoder
Splits dot-separated base64url sections to display readable JSON blocks....
JWT Generator
Signs header and payload JSON elements using HMAC-SHA256....
Password Strength Checker
Audits password entropy metrics to highlight potential dictionary vulnerabilities....
Query String Builder
Percent-encodes keys and values to stitch them with & symbols....
Query String Parser
Splits keys and values on = and & boundaries, restoring raw text....
Random String Generator
Uses browser crypto APIs to compile secure tokens and testing strings....
Regex Tester
Highlights capture groups and indexes matches inside sample blocks....
Secure Password Generator
Creates high-entropy password strings locally. Zero server transmission....
SQL Formatter
Capitalizes keywords like SELECT, JOIN, WHERE to clean statement layouts....
String Escape / Unescape
Strips or adds escape symbols (`\`) to prevent string format breakage....
Timezone Converter
Applies timezone offsets using standard JS locale calendars....
Unicode Escape / Unescape
Maps characters to their hex-based Unicode escapes....
Unix Timestamp Converter
Translates millisecond and second counts to local and UTC offsets....
URL Encode / Decode
Normalizes query parameters using standard Javascript encoding mechanisms....
UUID Generator
Generates random v4 and time-based v1 Universally Unique Identifiers complying with RFC 41...
UUID Validator
Validates UUID hex layout patterns and reports RFC versions (v1, v3, v4, v5)....
XML Formatter
Indents XML tree hierarchies dynamically....
XML Validator
Checks document tag completions against parser schemas....
YAML to JSON Converter
Translates indent-based YAML trees into key-value JSON trees....
SEO & Web Tools (5)
Keyword Density Checker
Computes character count, word counts, paragraph statistics, and keyword densities for sin...
Meta & Open Graph Generator
Generates title, description, canonical, robots meta tags, standard Open Graph (OG), and T...
Robots.txt Generator
Builds clean crawlers directions including multiple user-agents, allow/disallow patterns, ...
Sitemap.xml Generator
Quickly generates structured sitemap files from list inputs, validation URLs, priority sel...
Social Card Previewer
Displays responsive previews for Facebook, LinkedIn, Twitter/X, Discord, Slack, and standa...
Calculators (13)
Age Calculator
Know your precise age. Count chronological years, months, weeks, days, and get a countdown...
Bill Splitter
Divide lunch checks. Calculate exact tips, tax distribution, total tip amount, and individ...
BMI Calculator
Inspect mass index ratios. BMI Calculator takes weights and heights to evaluate whether yo...
Business Days Calculator
Determine project timelines. Measure active corporate business days by skipping Saturday, ...
Compound Interest Calculator
Compound interest makes your wealth grow faster over time. Calculate initial principal gro...
Countdown Timer
Keep track of durations. Configure customizable timers with alarm ring indicators and paus...
Date Difference Calculator
Compare date bounds. Determine the calendar gap in total days, weeks, months, and years be...
Discount Calculator
Find shopping bargains. Determine the final price of discounted goods, total dollars saved...
Loan & EMI Calculator
Find your monthly Equated Monthly Installment (EMI), total interest payable over the loan ...
Mortgage Calculator
Analyze property purchases. Compute base principal rates, property tax guidelines, and mon...
Percentage Calculator
Quickly compute percentages, value ratios, percentage changes (increase/decrease margins),...
ROI Calculator
Analyze profitability of financial investments. ROI Calculator takes the purchase cost and...
Stopwatch
Track exact durations. High-precision stopwatch counts milliseconds, seconds, minutes, and...
Video Tools (15)
Change Video Speed
Alter the speed of your video. Choose from speed presets (0.5x, 2x) or enter a custom rate...
Crop Video
Adjust the visual frame boundary of your video. Use ratio presets (16:9, 1:1, 9:16) or dra...
Extract Audio
Strip audio tracks from your video clips locally. Choose between MP3 for compression or WA...
GIF to Video
Transcode animated GIFs to MP4 or WebM formats. This significantly reduces file size and a...
Merge Videos
Merge multiple video clips sequentially. Drag to reorder clips, adjust output formats, and...
Mute Video
Strip out the sound elements from your video file. This is useful for privacy or reducing ...
Round Corner Video
Apply styling by rounding the edges of your video. Select corner radius amounts and fill t...
Screen Recorder
Record screencasts from your browser. Capture specific tabs, applications, or full monitor...
Split Video
Slice long videos into shorter segments. Add markers along the timeline and export individ...
Trim Video
Cut unwanted parts from the start or end of your video files. Use the visual timeline to s...
Video Compressor
Reduce the file size of your videos directly in your browser. All compression is performed...
Video Converter
Easily transcode video files into standard HTML5-compatible video formats. Select your out...
Video Frame Grabber
Extract static images from any frame of a video. Scrub through the timeline, frame-step to...
Video to GIF
Create animated GIFs from short video clips. Set custom start and end times, adjust frame ...
Video Watermark
Overlay a logo or label text onto your video. Place the watermark anywhere on the screen, ...
Audio Tools (24)
AAC to MP3
Convert raw AAC audio tracks into MP3 files. Solve compatibility issues with older car ste...
Audio Compressor
Reduce audio file sizes client-side. Our tool uses WebAssembly to adjust parameters locall...
Audio Converter
Convert your audio files between standard formats client-side. Completely private, fast, w...
Audio Metadata Viewer
Read container details, bitrates, sample rates, channels, codec configurations, and overal...
Change Audio Pitch
Modify the musical key or pitch of your audio tracks. Adjust the semitones slider to raise...
Change Audio Speed
Speed up or slow down your audio files. Perfect for transcription listening, slowing down ...
Fade Audio
Smoothen the start and end of your audio tracks by applying volume fade-in and fade-out en...
FLAC to MP3
Convert lossless FLAC audio libraries into compact MP3 tracks. Reduce file sizes to reclai...
M4A to MP3
Convert Apple M4A audio files to standard MP3 format. MP3 provides universal compatibility...
M4A to WAV
Decompress M4A audio files into raw, uncompressed WAV files, ready for professional mixing...
Merge Audio
Combine multiple audio tracks or recording clips. Upload your files, drag and drop to arra...
MP3 to AAC
Convert MP3 to high-fidelity AAC streams. AAC is the default audio format for Youtube, iPh...
MP3 to FLAC
Convert MP3 audio streams to FLAC containers. Note that while this places the audio into a...
MP3 to M4A
Convert MP3 tracks to M4A. M4A files use the Advanced Audio Coding (AAC) codec, which deli...
MP3 to OGG
Convert MP3 tracks to OGG Vorbis format. OGG is an open-source, patent-free format widely ...
MP3 to WAV
Convert MP3 audio tracks to WAV lossless format. WAV files provide raw, uncompressed pulse...
Mute Audio
Silence specific parts of an audio file client-side. Specify the starting timestamp and le...
OGG to MP3
Convert OGG Vorbis streams into MP3 format. Solve media player compatibility issues with O...
Split Audio
Split your long recordings or tracks into individual segments. Add multiple split points v...
Trim Audio
Extract portions of your audio files client-side. The interactive waveform lets you set st...
Voice Recorder
Capture voice logs, interviews, or voice-overs directly in your browser. All recording str...
Volume Booster
Increase the volume gain of quiet voice recordings, music tracks, or sound effects. Scale ...
WAV to M4A
Convert raw WAV files to compact Apple M4A/AAC tracks. Ideal for packaging master audio cl...
WAV to MP3
Compress large WAV audio files to MP3 format. The MP3 format utilizes psychoacoustic model...
Generator Tools (10)
Barcode Generator
Create high-resolution scannable barcodes in formats like CODE128, EAN-13, and UPC entirel...
Business Name Generator
Create brand and startup name concepts online based on business categories and custom base...
Coin Flip
Simulate flipping coins. View ratios and flip history records instantly....
Fake Data Generator
Generate lists of fake identity records for testing. Export to JSON or CSV....
QR Code Generator
Generate standard QR Codes offline in your browser. Configure error recovery, background/f...
QR Code Scanner
Scan QR codes using your web camera feed or by drag-and-dropping image files. All decoding...
Random Name & Team Picker
Input names and generate randomized winner lists or split individuals into balanced teams....
Random Number & Dice
Simulate dice rolls or create randomized integer pools. Enter an optional seed for determi...
Spin the Wheel
Input items and spin the selection wheel to make random choices....
Username Generator
Create smart, stylized usernames for gaming or social platforms....
Archive Tools (6)
GZIP Compressor
Compress any single file using GZIP format client-side in your web browser....
GZIP Decompressor
Decompress `.gz` files client-side instantly inside your web browser....
TAR Creator
Pack files into a standard POSIX USTAR TAR archive format locally in your web browser....
TAR Extractor
Browse and unpack files from standard TAR archives client-side....
ZIP Creator
Compress multiple files into a single ZIP file offline in your browser. Rest assured your ...
ZIP Extractor
Unzip ZIP archives and extract individual files directly in your web browser. Privacy-pres...