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Explore 313 browser-based utilities for documents, design, audio, coding and everyday tasks. Check each workspace for file compatibility and processing limits.
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Explore the collection
313 tools
Image CompressorReduce image file size with quality control.
Resize ImageResize photos to exact dimensions.
Batch Image ConverterConvert multiple JPG, PNG, WebP and AVIF images into JPG, PNG or WebP in your browser; resize and download a ZIP.
Crop ImageCrop to square, portrait or landscape formats.
Image to WebPConvert supported images to lightweight WebP.
WebP to JPGConvert WebP images into JPG.
WebP to PNGSave WebP images as PNG.
PNG to JPGConvert transparent PNG images to JPG.
JPG to PNGConvert JPG images to PNG.
SVG to PNGRender a trusted SVG locally as PNG.
AVIF to JPGConvert AVIF images if your browser supports AVIF.
Image WatermarkPlace a text watermark on a photo.
Favicon GeneratorCreate a 64-pixel PNG favicon.
Rotate ImageRotate images by 90, 180 or 270 degrees.
Flip ImageFlip images horizontally or vertically.
Image to Base64Convert an image file to a data URL.
Passport Photo ResizerResize a portrait image to chosen dimensions; check official requirements.
JPG to PDFCombine JPG photos into a downloadable PDF.
PNG to PDFCombine PNG images into a PDF document.
Images to PDFTurn several images into a multi-page PDF.
Audio CutterTrim sound and export a WAV file.
Volume BoosterRaise or lower audio gain and export WAV.
Video Thumbnail GeneratorSave a frame from a video as an image.
Word CounterCount words, sentences and characters.
Character CounterCount all characters, with and without spaces.
Case ConverterSwitch text between uppercase, lowercase and title case.
Remove Extra SpacesClean repeated spaces and blank lines.
Text to SlugCreate SEO-friendly URL slugs.
Password GeneratorGenerate secure random passwords in your browser.
Find and ReplaceReplace text occurrences instantly.
Sort LinesAlphabetically sort lines of text.
Remove Duplicate LinesKeep only unique lines.
Reverse TextReverse characters or the order of lines.
Base64 Encoder / DecoderEncode and decode UTF-8 text.
Text Difference CheckerCompare two blocks of text line by line.
Meta Tag GeneratorGenerate title, description and canonical HTML tags.
Open Graph GeneratorCreate social sharing meta tags.
Robots.txt GeneratorGenerate a simple robots.txt file.
XML Sitemap GeneratorCreate sitemap XML from a list of URLs.
UTM Link BuilderBuild marketing tracking URLs.
URL Encoder / DecoderEncode or decode URL text.
Keyword Density CheckerAnalyze keyword occurrence and density.
SERP PreviewPreview a search result title and description.
Canonical Tag GeneratorCreate canonical link elements.
JSON FormatterValidate and format JSON.
JSON to CSVExport arrays of JSON objects to CSV.
CSV to JSONTurn CSV data into structured JSON.
UUID GeneratorCreate UUID v4 values.
SHA-256 Hash GeneratorHash text with browser cryptography.
Unix Timestamp ConverterConvert Unix time to local readable dates.
HTML Escape / UnescapeConvert special HTML characters.
Regex TesterTest regular expressions against text.
HEX to RGB ConverterConvert hexadecimal colors into RGB values.
CSS MinifierRemove simple CSS whitespace and comments.
Percentage CalculatorCalculate X percent of Y.
Discount CalculatorCalculate final price after discount.
VAT CalculatorAdd or remove value-added tax.
BMI CalculatorCalculate body mass index from height and weight.
Age CalculatorFind age from birth date.
Loan CalculatorEstimate monthly loan payments.
Profit Margin CalculatorCompare profit, margin and markup.
Compound Interest CalculatorEstimate growth under compound interest.
Salary CalculatorConvert hourly pay to annual or monthly estimates.
CM to InchesConvert centimeters to inches.
KG to LBSConvert kilograms to pounds.
Celsius to FahrenheitConvert Celsius to Fahrenheit.
KM to MilesConvert kilometers to miles.
Liters to GallonsConvert liters to US gallons.
Cups to MLConvert US cups to milliliters.
Meters to FeetConvert meters to feet.
Grams to OuncesConvert grams to ounces.
Remove Line BreaksJoin separate lines into clean continuous text.
Add Line NumbersNumber every line in a text block.
Paragraph CounterCount paragraphs, words, lines, and sentences.
Text to BinaryEncode UTF-8 text as eight-bit binary bytes.
Binary to TextDecode space-separated binary bytes into UTF-8 text.
Text to HEXConvert UTF-8 text to hexadecimal bytes.
HEX to TextDecode hexadecimal bytes back into UTF-8 text.
ROT13 Encoder / DecoderApply reversible ROT13 substitution to Latin letters.
Remove PunctuationStrip punctuation without removing ordinary letters.
Email Address ExtractorFind and deduplicate email addresses in pasted text.
URL ExtractorExtract web links from unstructured text.
Hashtag ExtractorCollect unique hashtags from text.
Number ExtractorExtract integer and decimal number-like values.
Word Frequency CounterCount the most common words in a passage.
Text RepeaterRepeat a line or passage a chosen number of times.
Prefix and Suffix LinesAdd custom text before and after each line.
Shuffle LinesRandomize the order of text lines with secure randomness.
Remove Empty LinesDelete all blank or whitespace-only lines.
Text to Morse CodeEncode Latin letters, digits and common punctuation.
Morse Code to TextDecode Morse code separated by spaces and slashes.
JSON MinifierValidate JSON and remove unnecessary whitespace.
JSON Sort KeysSort object keys recursively in valid JSON.
JSON Path ExtractorExtract a value from JSON using simple dot and bracket paths.
JSON Array to JSONLTurn a JSON array into one JSON value per line.
JSONL to JSON ArrayCombine newline-delimited JSON into a valid array.
XML FormatterValidate and indent XML document text.
XML MinifierRemove whitespace between XML tags without altering text nodes.
HTML to TextExtract readable plain text from pasted HTML.
URL ParserInspect protocol, host, path, and query of a URL.
Query String ParserConvert a URL query string to a readable JSON object.
Query String BuilderBuild an encoded query string from JSON key-value pairs.
JWT Payload DecoderInspect an unverified JWT header and payload without validating its signature.
UUID ValidatorCheck whether a string matches a standard UUID format.
Random HEX GeneratorGenerate random hexadecimal bytes using browser cryptography.
SHA-512 Hash GeneratorCompute the SHA-512 digest of UTF-8 text.
HMAC-SHA256 GeneratorCalculate a keyed SHA-256 message authentication code.
CSV to TSVTurn a CSV table into tab-separated text.
TSV to CSVTurn tab-separated values into quoted CSV.
Remove Duplicate CSV RowsRemove duplicate data rows from a CSV table.
CSV Column SelectorSelect named columns from a CSV table.
CSS Gradient GeneratorCreate CSS linear gradients from two colors.
Color Contrast CheckerCalculate WCAG relative contrast for two colors.
Color Palette GeneratorGenerate a simple HSL color palette from a HEX base.
HEX RGB HSL ConverterConvert HEX colors to RGB and HSL values.
File to Base64Encode a small local file into Base64 text.
SEO Title Length CheckerCount title characters and approximate rendered width.
Meta Description CheckerMeasure a description and preview its text.
Twitter Card GeneratorCreate X/Twitter social card meta tags.
Hreflang Tag GeneratorGenerate alternate-language link elements from locale and URL pairs.
Meta Robots GeneratorBuild a robots meta tag with selected directives.
Breadcrumb Schema GeneratorGenerate JSON-LD BreadcrumbList from page names and URLs.
FAQ Schema GeneratorGenerate FAQPage JSON-LD from questions and answers.
Article Schema GeneratorCreate basic Article JSON-LD from visible article facts.
Organization Schema GeneratorCreate basic Organization JSON-LD for your business.
HTML Heading OutlineList H1–H6 tags in supplied HTML for manual accessibility review.
URL Slug CheckerInspect URL slugs for length, separators, and unusual characters.
Tip CalculatorCalculate a tip and final bill amount.
Split Bill CalculatorDivide a bill and optional tip among people.
Sales Tax CalculatorCalculate sales tax and the tax-inclusive total.
Markup CalculatorCalculate a selling price from cost and desired markup.
Break-Even CalculatorEstimate units required to cover fixed costs.
ROI CalculatorEstimate simple return on investment as a percentage.
CAGR CalculatorCalculate compound annual growth rate from starting and ending value.
Simple Interest CalculatorCalculate interest without compounding.
Savings Goal CalculatorEstimate required monthly savings to reach a goal.
Time Duration CalculatorFind the elapsed time between two clock times.
Date Difference CalculatorCount days between two calendar dates.
Days Until DateCount days until a selected date.
Fuel Cost CalculatorEstimate trip fuel expense using distance and consumption.
Fuel Economy CalculatorCalculate liters per 100 km and km per liter.
Aspect Ratio CalculatorSimplify a width-to-height ratio.
Download Time CalculatorEstimate download time from file size and connection speed.
Weighted Average CalculatorCalculate an average weighted by importance.
Unit Price CalculatorCompare unit prices for two packages.
Commission CalculatorCalculate commission from sale amount and rate.
Inflation CalculatorEstimate future cost under a fixed annual inflation assumption.
MM to InchesConvert millimeters into inches.
Inches to MMConvert inches into millimeters.
Feet to CMConvert feet into centimeters.
Yards to MetersConvert yards into meters.
Miles to KMConvert miles into kilometers.
Pounds to KGConvert pounds into kilograms.
Ounces to GramsConvert avoirdupois ounces into grams.
US Gallons to LitersConvert US liquid gallons into liters.
KiB to MiBConvert binary kibibytes into mebibytes.
MiB to GiBConvert binary mebibytes into gibibytes.
Mbps to MB/sConvert megabits per second to megabytes per second.
MB/s to MbpsConvert megabytes per second to megabits per second.
Meters to YardsConvert meters into yards.
Hours to MinutesConvert hours into minutes.
MPH to KM/HConvert miles per hour into kilometers per hour.
Knots to KM/HConvert knots into kilometers per hour.
Degrees to RadiansConvert angles from degrees into radians.
Radians to DegreesConvert angles from radians into degrees.
PSI to BarConvert pressure from pounds per square inch to bar.
Bar to PSIConvert pressure from bar to PSI.
Acres to HectaresConvert land areas from acres to hectares.
Square Feet to Square MetersConvert square feet into square meters.
Cubic Feet to LitersConvert cubic feet into liters.
Liters to MillilitersConvert liters into milliliters.
Image Grayscale ConverterConvert a local photograph to grayscale.
Sepia Image FilterApply a warm sepia effect to a photo.
Invert Image ColorsInvert RGB colors in a local image.
Image Brightness AdjusterBrighten or darken a photo.
Image Contrast AdjusterAdjust photo contrast.
Blur Image OnlineApply a soft Gaussian-style blur using Canvas filters.
Pixelate ImageCreate a mosaic-style pixelated photo.
Add Border to ImageAdd a solid colored border around an image.
Image Color PickerSample a pixel color from an uploaded image.
Image Dimension CheckerRead the image dimensions and file size locally.
Video Metadata ViewerView a local video file’s dimensions and duration.
Video Contact Sheet MakerSave several video frames in a single image contact sheet.
Reverse Audio OnlineReverse a local audio recording and export WAV.
Audio Fade In / OutAdd a gradual fade to both ends of a WAV export.
Normalize Audio VolumeNormalize peak audio volume and export WAV.
Merge PDFCombine two or more PDF files into a single document and reorder them before downloading.
Split PDFSeparate a PDF after selected pages or into equal page groups, and download the parts as ZIP.
PDF to JPGExport selected PDF pages to high-quality JPG images, with a ZIP download for multiple pages.
Rotate PDFRotate all PDF pages or only the pages you choose by 90, 180 or 270 degrees.
Organize PDFReorder, remove or duplicate PDF pages and export a rearranged document.
Remove PDF PagesDelete unwanted pages from a PDF using page numbers or ranges.
Add PDF Page NumbersAdd page numbers to the top or bottom of a PDF with configurable starting numbers.
Watermark PDFApply a visible text watermark to one, several or all PDF pages.
Keyboard TesterCheck keys, held combinations and repeated key presses.
Mouse TesterCheck button events, mouse movement and wheel scrolling.
Double Click TesterCheck double-click timing and repeated click events.
Dead Pixel TestCycle full-screen colors to inspect stuck and dead pixels.
Monitor Color & Gradient TestInspect screen gradients and solid color uniformity.
Backlight Bleed TestInspect black and dark-gray screen uniformity.
Monitor Refresh Rate TestEstimate your browser display refresh cadence.
Microphone TesterShow live microphone input levels with permission.
Webcam TesterPreview your webcam directly in the browser.
Speaker Left/Right TesterPlay original short tones for stereo channel checks.
Gamepad TesterInspect connected gamepad buttons and analog stick positions.
Screen Resolution DetectorShow screen size, viewport and pixel ratio.
Browser Feature CheckerCheck camera, WebGL, clipboard and browser APIs.
Typing Speed TestMeasure your typing speed and approximate accuracy.
Reaction Time TestMeasure click response with a randomized visual cue.
Touch Screen TesterTrack touch positions and touches the browser receives.
Fullscreen Monitor TestOpen solid colors, grid and checkerboard patterns.
Browser InformationView browser version, language, platform and connectivity hints.
SHA-256 File ChecksumCalculate a local SHA-256 file hash.
File Signature InspectorInspect file signatures and claimed extensions.
Batch File RenamerRename files in sequence and download a ZIP archive.
ZIP File CreatorPackage multiple files in a downloadable uncompressed ZIP.
Image Metadata RemoverExport a cleaned JPG or PNG canvas rendering.
Image Pixel InspectorChoose a pixel and copy its HEX and RGB values.
Gradient Preview GeneratorCreate and preview CSS linear gradients.
Binary File CompareCompare two files for matching bytes.
PSU Wattage CalculatorEstimate power supply capacity from component power draws.
Screen PPI CalculatorCalculate pixel density from resolution and diagonal size.
Storage Capacity CalculatorEstimate how many photos or videos fit into available storage.
Laptop Battery Life CalculatorEstimate laptop runtime using battery Wh and average load.
File Download Time EstimatorEstimate download time using file size and connection speed.
PDF Metadata ViewerView common PDF document property fields locally.
Remove PDF MetadataClear common PDF document properties and save a new file.
PDF Text ExtractorExtract selectable PDF text into a TXT download.
CSS Box Shadow GeneratorCreate and copy CSS box shadows with blur, spread, color and offsets.
CSS Border Radius GeneratorCreate rounded corner CSS with independent corner settings.
CSS Glassmorphism GeneratorBuild glass-like CSS panels with blur and translucency.
CSS Flexbox GeneratorGenerate flexbox CSS with alignment, direction and gap controls.
CSS Grid GeneratorGenerate responsive grid layout CSS using columns and gaps.
Fluid Typography CSS Clamp CalculatorCalculate a responsive CSS clamp() font-size rule from viewport endpoints.
CSS Text Shadow GeneratorGenerate CSS text-shadow rules with preview.
CSS Transform GeneratorCreate CSS rotate, translate and scale transforms.
Social Media Image ResizerCrop or pad photos for common social and open graph formats.
Circle Profile Picture MakerCrop a square avatar into a transparent circular PNG.
Image Collage MakerCombine up to four local images into one downloadable grid.
Image Padding & Letterbox ToolFit an image into a target size without cropping, using a background color.
Image Color ReplacerReplace approximate colors in an image locally with adjustable tolerance.
JSON Difference CheckerCompare two JSON objects and list changed paths.
JSON Flatten ToolFlatten nested JSON objects into dot-path keys.
JSON to TypeScript GeneratorGenerate TypeScript interfaces from a sample JSON document.
CSV MergerMerge pasted CSV datasets with matching headers.
CSV to Markdown TableConvert CSV rows into a Markdown table.
CSV Column StatisticsCalculate min, max, mean and sum for numeric CSV columns.
Markdown to HTML ConverterConvert basic Markdown headings, lists and formatting to HTML.
Text Lines to JSON ArrayConvert lines of text into a properly escaped JSON array.
HTML Table Generator from CSVGenerate accessible HTML table markup from CSV data.
Markdown Table GeneratorCreate a Markdown table from CSV or comma-separated values.
Ecommerce Profit CalculatorEstimate net profit after product, shipping, platform and advertising costs.
ROAS and Ad Profit CalculatorCalculate return on ad spend and contribution after ad costs.
Website Ad Revenue EstimatorEstimate possible display advertising revenue from sessions and page RPM.
Subscription Cost CalculatorCalculate monthly and annual spending across subscriptions.
Freelance Hourly Rate CalculatorEstimate a billable hourly rate from income target, costs and hours.
Reverse VAT CalculatorExtract net price and VAT from a tax-inclusive price.
Product JSON-LD Schema GeneratorGenerate basic Product structured data without fabricated review ratings.
YouTube Thumbnail URL GeneratorGenerate standard YouTube thumbnail image URLs from a video link.
Bulk URL Slug GeneratorConvert lines of titles into URL-safe slugs.
QR Code GeneratorCreate a downloadable QR code for any URL or text.
Wi-Fi QR Code GeneratorMake a scannable Wi-Fi join QR code without sharing it online.
vCard QR Code GeneratorShare contact details through a downloadable QR code.
Invoice GeneratorMake a printable invoice with line items, tax and totals.
Pomodoro TimerFocus with a 25-minute timer, short breaks and session tracking.
Screen Recorder OnlineRecord a browser-approved screen or window and download a video.
HEIC to JPG ConverterConvert an iPhone HEIC/HEIF photo to JPG in your browser. No upload to our server.
Compress PDFReduce PDF file size with structural optimization or explicit image-based compression.
Compress Image to 20KBCompress an image toward a 20KB target in your browser.
Compress Image to 50KBCompress an image toward a 50KB target in your browser.
Compress Image to 100KBCompress an image toward a 100KB target in your browser.
Compress Image to 200KBCompress an image toward a 200KB target in your browser.
Compress Image to 500KBCompress an image toward a 500KB target in your browser.
Signature ResizerResize a signature image to exact pixel dimensions and export it.
Signature CompressorCompress signature images for online forms and applications.
35x45mm Photo MakerPrepare a 35×45 mm photo canvas for ID and application use.
2x2 Inch Photo MakerPrepare a 2×2 inch square photo for application use.
Image Dimension CheckerCheck image width, height, aspect ratio, type and file size.
Image to Text OCRExtract selectable text from an image with OCR.
JPG to Text OCRExtract text from JPG and JPEG images with OCR.
PNG to Text OCRExtract text from PNG images with OCR.
Screenshot to TextTurn a screenshot into selectable text with OCR.
PC Health CheckRun a browser-based PC and device capability check in one dashboard.
Internet Connection CheckInspect browser connection information, latency and online status.
WebGL GPU CheckerInspect the GPU renderer exposed to your browser and WebGL support.
Windows Error Code LookupLook up common Windows, Update, Device Manager and BSOD error codes.
BSOD Error LookupLook up common Windows blue-screen stop codes and next troubleshooting steps.
Device Manager Error CodesLook up common Windows Device Manager error codes and practical next steps.
Passport Photo MakerCreate a passport-style portrait with 35 × 45 mm or 2 × 2 in presets, editable framing and a JPEG download.
Photo Requirements CheckerCheck image pixel dimensions, ratio, file size and format against an application requirement.
GPA CalculatorCalculate a weighted grade-point average using course credits and a configurable 4.0 scale.
Final Grade CalculatorWork out the exam mark needed to reach your target final course grade.
Working Days CalculatorCount weekdays between dates, excluding weekends and optional holiday dates.
JSON Diff ViewerCompare JSON objects and arrays and find added, removed or changed values.
Text Difference CheckerCompare two text blocks line by line with clear added and removed lines.
Subtitle Time ShifterShift every SRT subtitle cue forward or backward by a precise number of milliseconds.
SRT to VTT & VTT to SRT ConverterConvert basic subtitle cue timing between SRT and WebVTT locally.
Video Bitrate CalculatorEstimate video bitrate from duration, target file size and audio bitrate.
Streaming Data Usage CalculatorEstimate streaming data consumption by viewing time and average bitrate.
Movie Night PlannerPlan movie runtime, breaks and finish time for a film night.
Software Comparison MatrixScore software options using ratings and weights you choose yourself.
PC Specs ComparisonCompare two PC builds side by side without invented benchmark scores.
PC Game Storage PlannerEstimate how many games fit on a drive with system and free-space reserves.
Daily Sudoku, Memory & Word GamesPlay daily Sudoku, match pairs in Memory and solve a five-letter word challenge in your browser.
Open-Source PC Games GalleryDiscover open-source PC games with real screenshots, licensing credits and official links.
Free CV & Resume BuilderCreate a resume privately in your browser, preview it and print to PDF with no signup.
PC Browser Diagnostics LabCheck browser-exposed display, CPU, GPU, camera and microphone capabilities with transparent limitations.
Time Zone Meeting PlannerConvert a meeting date and time between real time zones, including daylight-saving adjustments.
Resume Keyword MatcherCompare your CV text with specific job requirements and see matching or missing phrases.
Remove Image EXIF MetadataCreate a fresh image without original EXIF details using your browser; inspect the result before sharing.
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Find the right online utility
Browse by category or search for a specific task. Many utilities process files locally in the browser; check each tool’s description for supported formats and limits. Document-to-Word conversion and server-grade video encoding are not part of this browser tools collection.
