Free Online Tools & Fast Browser Utilities
Free PDF, image, text and calculator tools that run inside your browser. No upload, no account, no watermark.
🔒 Files never leave your device🆓 100% free⚡ Runs offline after first visit
Most used tools
Compress PDFShrink a PDF by rebuilding it in your browser: drop embedded bloat, resample images and keep the text selectable. No upload, no watermark, no sign-up.
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Merge PDFCombine several PDFs in the order you choose, with page thumbnails you can drag around before joining them. Runs locally in your browser for free.
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Split PDFPull one page range out of a PDF, split every page into separate files, or break a long document into chunks. Everything happens locally.
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PDF to JPGRender each PDF page to a JPG or PNG at the resolution you choose, preview them on screen and download one page or the whole set as a zip.
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PDF to TextPull the readable text out of a PDF, keep line or paragraph layout, copy it to the clipboard or save it as a .txt file. Runs in your browser.
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JPG to PDFCombine JPG, PNG, WebP or GIF photos into one PDF, in the order you want, with page size, margin and orientation you control.
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Compress ImageShrink photos without a visible quality loss, see the before and after side by side, and batch-process many files at once — all inside the browser.
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Convert ImageChange picture format in one step: PNG to JPG, JPG to WebP, WebP to PNG and more, with transparency handling and quality control.
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PDF tools
Pick a category →Compress, merge, split and convert PDF files in your browser.
Compress PDFShrink a PDF by rebuilding it in your browser: drop embedded bloat, resample images and keep the text selectable. No upload, no watermark, no sign-up.
Popular
Merge PDFCombine several PDFs in the order you choose, with page thumbnails you can drag around before joining them. Runs locally in your browser for free.
Popular
Split PDFPull one page range out of a PDF, split every page into separate files, or break a long document into chunks. Everything happens locally.
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Rotate PDFTurn every page, or only the pages you select, by 90, 180 or 270 degrees. Free, instant, and the file never leaves your computer.
Watermark PDFStamp DRAFT, CONFIDENTIAL, a date or your company name across every page, with control over size, colour, opacity and angle.
PDF to JPGRender each PDF page to a JPG or PNG at the resolution you choose, preview them on screen and download one page or the whole set as a zip.
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PDF to TextPull the readable text out of a PDF, keep line or paragraph layout, copy it to the clipboard or save it as a .txt file. Runs in your browser.
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JPG to PDFCombine JPG, PNG, WebP or GIF photos into one PDF, in the order you want, with page size, margin and orientation you control.
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HTML to PDFPaste HTML, choose paper size and margins, then print the rendered result to PDF straight from your browser. Free and private.
PDF Page NumbersInsert page numbers into a PDF at the top or bottom, left, centre or right. Set the start number, font size and a prefix. Free, no upload.
Invoice GeneratorCreate a professional invoice in your browser. Add your details, line items, tax and discount, then download a PDF or PNG. Free, no upload.
Image tools
Pick a category →Compress, convert and resize photos, build QR codes and favicons, pick colours and make GIFs.
Compress ImageShrink photos without a visible quality loss, see the before and after side by side, and batch-process many files at once — all inside the browser.
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Convert ImageChange picture format in one step: PNG to JPG, JPG to WebP, WebP to PNG and more, with transparency handling and quality control.
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Resize ImageSet a precise width and height, keep the ratio, or crop to a preset such as 1:1, 4:5 or 16:9. Useful for avatars, thumbnails and forms.
Image to Base64Get a ready-to-paste data URI from any picture, with CSS and HTML snippets already wrapped, for inline icons and offline pages.
Base64 to ImagePaste a data URI or a raw Base64 block, preview the picture and download it as PNG, JPG or WebP.
QR Code GeneratorBuild a high-resolution QR code for a URL, Wi-Fi login, vCard, SMS or plain text, with size, margin and colour choices. No expiry, no account.
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Favicon GeneratorUpload a logo and download every size a site needs: favicon.ico, 16 to 180 px PNGs, an Apple touch icon and the matching HTML tags.
Colour PickerGet the exact HEX, RGB and HSL of any pixel: click inside a picture or use the screen eyedropper, then build a matching palette.
Images to GIFTurn a burst of photos or frames into a looping animated GIF, with control over delay, loop count and final width.
Adjust PhotoFix a dark photo, boost a washed-out one, convert to grayscale or blur a background with live sliders, then export the result.
Signature PadDraw your signature with a mouse, finger or stylus and download a transparent PNG. Undo, clear and trim empty space. Free, no upload.
ID Photo MakerMake passport, visa and ID photos at home. Crop to the right size, set the dpi, and replace the background with white, blue or red. Free.
Photo Mosaic & BlurPixelate or blur faces, number plates and private details in a photo by dragging a brush. Edit locally on a canvas and download a PNG. Free, no upload.
Image Grid SplitterSlice an image into a 3×3 nine-square grid or any NxN layout for social media. Crop to square, then download the pieces as a ZIP. Free, local.
Audio tools
Pick a category →Cut, join, convert and record sound; change volume, speed and pitch, and equalise tracks.
Trim AudioSet in and out points, add a fade-out, and export a clean WAV or MP3-ready clip. Nothing is uploaded, so private recordings stay private.
Audio JoinerCombine MP3, WAV, M4A and OGG files into one track in the order you choose. Free, no upload, no watermark — merge audio in your browser.
Audio ConverterConvert WAV to MP3, M4A, OGG and other audio formats in your browser. Pick the sample rate and bitrate, then download — no upload, no account.
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Volume BoosterIncrease or decrease the volume of an MP3, WAV or M4A file. Set the level from 0 to 400%, preview and download. Free and fully in-browser.
Reverse AudioFlip an audio file so it plays backwards, from end to start. Duration and pitch stay the same. A free MP3/WAV reverser with no upload.
Audio Speed ChangerChange audio tempo from 50% to 200% while keeping the pitch natural. Speed up lectures or slow down music to learn it — in your browser.
Pitch ShifterShift audio pitch by up to 12 semitones either way without changing the duration. Raise or lower a voice or instrument, then download free.
Audio EqualizerAdjust five bands (60 Hz–12 kHz) to boost bass, brighten treble or shape a vocal. Use presets or fine-tune, then export MP3 or WAV free.
Voice RecorderRecord your voice from the microphone straight in the browser. Press record, stop, preview and download — no app, no upload, no account.
Sound Level MeterA free online sound level meter: see the relative decibel level around you live, with peak and average. Uses your mic locally, nothing recorded.
Video tools
Pick a category →Compress clips and record your screen or webcam — all in the browser.
Compress VideoRe-encode a clip to WebM with a lower resolution or bitrate so it fits in an email, a form upload or a web page. Files stay on your device.
Screen RecorderCapture your screen, a window or a tab with optional system audio. Record, stop, preview and download a WebM video — no install, no upload.
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Webcam RecorderRecord yourself with the camera and microphone in your browser. Preview the live feed, press record, then download — free, no software.
Camera & Mic TestTest your webcam, microphone and screen in the browser. See a live camera preview, a mic level meter and a dead-pixel colour test. Free, private.
TeleprompterA free online teleprompter: paste your script, scroll it in big text, adjust speed and font size, mirror it and go fullscreen. Nothing uploaded.
Text & code tools
Pick a category →Count words, format JSON, hash text, test regex, compare files.
Word CounterCount words, characters, spaces, sentences, paragraphs, reading time and keyword repetition as you type. Handy for essays, tweets and SEO briefs.
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Case ConverterConvert a block of text to title case, sentence case, camelCase, snake_case, kebab-case or inverse case in a single click.
Remove Duplicate LinesDelete repeated lines from a list, ignore letter case, trim stray spaces, drop blanks and sort A to Z or longest first.
Lorem IpsumGenerate exactly the amount of dummy text your mock-up needs — words, sentences or paragraphs, including the classic Cicero opening.
Base64 Encode / DecodeEncode text to Base64 or decode it back, with URL-safe alphabet support and instant invalid-character errors.
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URL Encode / DecodePercent-encode a query value, encode a whole URL, or decode an escaped string back to readable text, with encodeURIComponent semantics.
HTML EscapeTurn <, >, &, quotes and accented letters into safe entities, or convert entities back into characters for display.
Reverse TextWrite a string backwards, produce upside-down Unicode for social posts, or reverse word order without scrambling each word.
JSON FormatterPretty-print messy JSON, spot the exact line of a syntax error, sort keys, minify a payload, and collapse or expand nodes on a tree view.
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CSV to JSONUpload or paste a spreadsheet export and get an array of objects, with quoted fields, thousands separators and empty cells handled correctly.
Markdown to HTMLPaste Markdown and copy the rendered HTML out, with tables, fenced code, footnotes-style links and optional GitHub flavour.
Hash GeneratorGet a message digest from any text, or a file checksum for download verification, in the algorithm your system expects.
UUID GeneratorCreate as many version 4 identifiers as you need, in the format your tool expects: dashes, braces, uppercase or plain.
Password GeneratorBuild a memorable or unguessable password with the length and symbols you allow, see its strength, and copy it without it ever touching a server.
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Regex TesterMatch a pattern against sample text with live highlighting, capture-group details, flags, and a plain-language breakdown of the expression.
Diff CheckerLine-by-line comparison of two versions of a file, contract or article, with additions and deletions colour-coded and a copy-ready summary.
Text to SpeechTurn any paragraph into speech, choose a voice and language, adjust speed and pitch, and proofread a script by ear.
Contract GeneratorGenerate a mutual NDA or a service agreement from a simple template. Fill in the parties, purpose and terms, then download or print. Free.
Zero-Width WatermarkHide a secret message inside ordinary text using invisible zero-width Unicode characters. It survives copy-paste. Embed or reveal it free, in your browser.
CSS Shadow & Grid GeneratorGenerate CSS box-shadow, border-radius and grid layouts visually. Drag the sliders, watch the live preview and copy the CSS. Free, no sign-up.
JSON to SVG DiagramTurn JSON into a colourful SVG structure tree. Paste an object or array, render the diagram, then download the SVG or copy the markup. Free, local.
Encrypt / Decrypt TextEncrypt and decrypt text with AES-256-GCM and a passphrase, right in your browser. PBKDF2 key derivation, nothing uploaded. Free and private.
Calculators & converters
Pick a category →Percentages, BMI, loans, units, colours, dates — instant results.
Percentage CalculatorAnswer the four percentage questions people actually search for: what is X percent of Y, X is what percent of Y, increase or decrease by X percent.
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BMI CalculatorWork out body mass index, see which band you fall in, and get the weight range that counts as healthy for your height.
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Age CalculatorGet an exact age in years, months and days, plus total days lived, the next birthday, the weekday you were born on and the year you turn each milestone.
Date CalculatorCount the days between dates, add or subtract days and weekdays, and get the resulting calendar date with the weekday name.
Loan CalculatorEstimate the monthly payment on a personal loan or mortgage, the total interest paid, and how much of the first years goes to interest.
Discount CalculatorEnter the original price and the discount to see what you pay, what you save, and what the item costs if several offers stack.
Unit ConverterA single converter for the everyday units: metres and feet, kilograms and pounds, Celsius and Fahrenheit, litres, miles per hour, megabytes and more.
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Colour ConverterMove between HEX, RGB, HSL and CSS names, check contrast against white and black, and get accessible shades automatically.
Calorie CalculatorEstimate basal metabolic rate with the Mifflin-St Jeor equation and the daily calories for maintaining, losing or gaining weight.
Timestamp ConverterConvert a Unix or millisecond timestamp into a readable local and UTC date, or turn a date into the number your API expects.
Random Number GeneratorPick a number in a range, roll dice, flip a coin, shuffle a list of names, or draw winners without repeats for a giveaway.
Shoe Size ConverterConvert shoe sizes between US, EU, UK and CN for men and women. Enter a size or foot length and see every system at once — free and instant.
RMB Uppercase ConverterConvert a number to the Chinese uppercase RMB amount used on cheques and invoices. Handles yuan, jiao and fen. Free, instant, no upload.
World ClockSee the live time in 12 world cities, compare time zones and plan a meeting across them, with business-hours highlights. Free, no sign-up.
Pomodoro TimerA Pomodoro timer for focused work: 25-minute sessions, short and long breaks, a session counter and an optional chime. Free, in-browser.
Random PickerSpin a wheel to pick a random name, or draw a winner instantly. Add one name per line, remove winners and pick a whole team. Free, no upload.
Frequently asked questions
Are these tools really free?
Yes. Advertising pays for the hosting, so there is no usage limit, no daily quota and no premium tier.
Is it safe to process a contract or an ID document?
The file is read into browser memory and processed locally; it is never sent to a server. Closing the tab erases it.
Do I need to install anything?
No. Everything runs on the web platform APIs already inside your browser.
Which languages are available?
The site opens in English by default. You can switch manually at any time from the header language menu: English, 中文, Español, Français, Deutsch, Português, 日本語, 한국어, Русский, Tiếng Việt, Bahasa Melayu, Bahasa Indonesia and हिन्दी.