Image CompressorCompress JPG, PNG and WebP images in your browser by quality or to a target size such as 100 KB.
All tools
Browse all 90 QMO Tools Pro utilities by category: images, PDF, text, developer, SEO, social media, QR codes, calculators, security and files.
Image Tools
Compress, resize, convert, crop and inspect images privately in your browser.
Image ResizerResize JPG, PNG and WebP images to exact pixel dimensions or a percentage, with optional aspect-ratio lock.
Image Converter (JPG, PNG, WebP)Convert images between JPG, PNG and WebP in bulk.
HEIC to JPG ConverterConvert HEIC and HEIF photos from an iPhone to JPG, PNG or WebP in your browser.
Background RemoverRemove the background from a photo in your browser.
Passport Photo MakerMake a passport or visa photo in your browser: crop to the right size, optionally make the background white, and print several on one sheet.
Image CropperCrop images online with a draggable selection or exact pixel values.
Rotate & Flip ImageRotate images by 90°, 180° or 270° and flip them horizontally or vertically.
EXIF Viewer & Metadata RemoverView EXIF metadata in JPG photos — camera, date, GPS location — and download a clean copy with metadata removed.
Favicon GeneratorGenerate a complete favicon set from an image or a letter: favicon.ico, 16–512 px PNGs, Apple touch icon, web manifest and HTML tags, in one ZIP.
SVG Preview & OptimizerPreview SVG files safely and shrink them by removing comments, editor metadata and whitespace, with optional number rounding.
Color Picker & ConverterPick a colour, convert between HEX, RGB and HSL, sample colours from an image or your screen, and check contrast against white and black text.
Color Palette GeneratorGenerate colour palettes from a base colour (complementary, analogous, triadic, tints and shades) or extract the dominant colours of an image.
PDF Tools
Merge, split, rotate, reorder and convert PDF files without uploading them.
Merge PDFCombine several PDF files into one document in the order you choose.
Split PDFSplit a PDF into single pages, fixed-size chunks or custom page ranges.
Rotate PDF PagesRotate all pages or selected pages of a PDF by 90°, 180° or 270° and save the corrected file.
Image to PDFConvert JPG, PNG and WebP images into a PDF, one image per page.
Extract or Delete PDF PagesPick pages from a PDF by number or by clicking thumbnails, then save them as a new PDF, or remove them and keep the rest.
Reorder PDF PagesRearrange the pages of a PDF with move buttons or by typing a new order, reverse the document or duplicate pages, then save.
PDF Metadata Viewer & EditorView and edit PDF metadata — title, author, subject, keywords, creator and producer — or clear it before sharing.
Add Page Numbers to PDFNumber the pages of a PDF in your browser.
Compress PDFReduce PDF size with a lossless rebuild, or rasterize pages to compressed images for big savings on scanned files.
Sign PDFSign a PDF in your browser: draw, type or upload your signature, add text, a date or a tick, and download.
Add Watermark to PDFAdd a text or image watermark to a PDF in your browser.
PDF to Image (JPG/PNG)Convert PDF pages to JPG or PNG images at the resolution you choose.
Text & Writing Tools
Count words, change case, clean text, compare drafts and preview Markdown.
Word CounterCount words, characters, sentences and paragraphs as you type, with reading and speaking time estimates.
Character CounterCount characters with and without spaces, letters, digits, emoji-aware graphemes and UTF-8 bytes.
Line Counter & Line ToolsCount total, empty and unique lines, then add line numbers, sort alphabetically, reverse or shuffle lines.
Case ConverterConvert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case and more with one click.
Text CleanerClean messy text: remove extra spaces, line breaks, HTML tags, emoji, Arabic diacritics, invisible characters and smart quotes in one pass.
Remove Duplicate LinesRemove duplicate lines from lists while keeping the original order.
Text CompareCompare two versions of a text and highlight added and removed words.
Lorem Ipsum GeneratorGenerate lorem ipsum paragraphs, sentences, words or list items for mock-ups, plus neutral Arabic placeholder text for right-to-left designs.
Slug GeneratorTurn titles into clean, lowercase URL slugs.
Markdown PreviewWrite Markdown and see a safe live preview.
Developer Tools
Format JSON and XML, encode and decode data, test regex, decode JWTs and hash text.
JSON Formatter & ValidatorFormat, validate and beautify JSON with 2 or 4 spaces or tabs.
JSON MinifierMinify JSON by removing whitespace and line breaks, validate it at the same time and see how many bytes you saved.
XML Formatter & ValidatorPretty-print or minify XML, sitemaps, RSS feeds and SVG, and check that the XML is well-formed.
HTML Entity Encoder / DecoderEscape <, >, &, quotes and optionally all non-ASCII characters as HTML entities, or decode entities back to text.
URL Encoder / DecoderPercent-encode text for URLs and query strings, decode encoded URLs, and break a full URL into its parts and query parameters.
Base64 Encoder / DecoderEncode text or files to Base64 and decode Base64 back to text or a downloadable file.
UUID GeneratorGenerate random UUID v4 or time-ordered UUID v7 identifiers in bulk using your browser’s secure random generator.
Unix Timestamp ConverterConvert Unix timestamps in seconds, milliseconds or microseconds to readable dates in UTC and your time zone, and convert dates back to epoch time.
Regex TesterTest JavaScript regular expressions with live match highlighting, capture groups, named groups and a replace preview.
Diff CheckerCompare two files or code snippets line by line with added and removed lines highlighted.
CSV CleanerClean CSV files in your browser: trim cells, remove empty and duplicate rows, change the delimiter and preview the table before downloading.
CSV ↔ JSON ConverterConvert CSV to JSON (array of objects or arrays) and JSON back to CSV.
JWT DecoderDecode a JSON Web Token to read its header and payload, with expiry and issued-at times in readable form.
Hash Generator (SHA)Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes and HMAC signatures of text using the browser’s Web Crypto API.
SEO Tools
Generate meta tags, robots.txt and sitemaps; preview snippets and check headings.
Meta Tag GeneratorGenerate clean HTML meta tags for a page: title, description, canonical, robots, Open Graph and Twitter Card tags, with length guidance.
Robots.txt GeneratorBuild a valid robots.txt with allow and disallow rules, a sitemap line and optional AI-crawler blocks, then test whether a path is allowed.
XML Sitemap GeneratorPaste a list of URLs and get a valid, escaped sitemap.xml with optional last-modified dates.
Canonical URL HelperNormalise URLs to one consistent canonical form: HTTPS, www or non-www, trailing slash, tracking parameters removed.
Open Graph PreviewPreview a link card from your og:title, og:description and og:image, check image size and text length, and copy the Open Graph tags.
Twitter / X Card PreviewPreview a summary or large-image card for X (Twitter), check text and image guidance, and generate the twitter: meta tags.
SERP Snippet PreviewSee an approximate Google-style search result for your title, URL and description on desktop and mobile, with pixel-width estimates.
URL Slug CheckerCheck URLs for readability issues: length, uppercase letters, underscores, spaces, repeated hyphens, file extensions, parameters and depth.
Structured Data ViewerPaste JSON-LD or page HTML to view schema.org items as a tree, find JSON errors and see which commonly expected properties are missing.
Heading Structure CheckerPaste a page’s HTML to see its H1–H6 outline and find missing H1s, multiple H1s, skipped levels and empty headings.
Keyword Density CheckerFind the most frequent words and two- or three-word phrases in your text, with counts and percentages.
Social Media Tools
Format captions, organise hashtags, check post lengths and plan content.
Caption FormatterTidy social media captions: keep blank lines that some apps collapse, trim extra spaces, move hashtags to the end and check the length.
Hashtag OrganizerPull hashtags out of any text, remove duplicates regardless of letter case, sort them, turn plain words into hashtags and copy a clean set.
Bio Character CounterWrite a profile bio and see characters used and remaining for typical platform limits.
Post Length CheckerPaste one post and check it against typical character limits for X, Threads, Bluesky, Mastodon, LinkedIn, Instagram, Facebook and YouTube at once.
Unicode Text StylerTurn Latin letters and digits into Unicode bold, italic, script, monospace, double-struck and other styles you can paste into bios and posts.
Content PlannerPlan posts with date, platform, status and notes.
Social Post PreviewPreview a post in a neutral feed layout, with an optional image and the “…more” cut-off point typical for Instagram, LinkedIn, Facebook and others.
QR Code Tools
Create QR codes for text, links, Wi-Fi and contacts, or read a QR code from an image.
QR Code GeneratorTurn any text into a static QR code.
URL to QR CodeMake a QR code that opens a web page.
Wi-Fi QR CodeCreate a QR code that connects phones to your Wi-Fi network.
Contact QR Code (vCard)Put your name, phone, email, company and website into a QR code that phones save as a contact.
QR Code ReaderDecode a QR code from a screenshot, photo or your device camera.
Calculators & Converters
Percentages, discounts, dates, units, file sizes, download times and more.
Invoice GeneratorMake a professional invoice in your browser: logo, line items, tax or VAT, discount, shipping, deposit.
Percentage CalculatorWork out a percentage of a number, what percent one number is of another, percentage change, and adding or subtracting a percentage — all on one page.
Discount CalculatorCalculate the sale price after a discount, an optional second (stacked) discount and sales tax or VAT, plus how much you save in total.
BMI CalculatorCalculate body mass index (BMI) for adults in metric or imperial units, see the WHO category and the weight range that corresponds to a BMI of 18.5–24.9 for your height.
Date Difference CalculatorCount the days, weeks, months and years between two dates, including working days with a weekend you choose.
Time Zone ConverterConvert a date and time from one time zone to several others, with daylight saving time handled by your browser’s time-zone database.
Unit ConverterConvert between metric and imperial units for length, mass, temperature, area, volume, speed, time, pressure and energy, with a table of every unit at once.
File Size ConverterConvert file sizes between bytes, kilobytes, megabytes, gigabytes and terabytes in both decimal (1000) and binary (1024) units — or drop a file to see its exact size.
Download Time CalculatorEstimate how long a download or upload takes from the file size and connection speed (Mbps, Gbps or MB/s), with an allowance for protocol overhead.
Currency Converter (Manual Rate)Convert an amount between currencies using an exchange rate you enter from your bank, card provider or exchange office.
Security & Privacy
Generate strong passwords, estimate strength, hash text and verify file checksums.
Password GeneratorGenerate strong random passwords with your choice of length and character sets, using your browser’s cryptographic random number generator.
Password Strength CheckerCheck how strong a password is and why.
File Checksum (SHA-256)Calculate SHA-256, SHA-384, SHA-512 and SHA-1 checksums of a file in your browser and compare them with the hash published by the download site.
Text Encrypt / DecryptEncrypt a private note with a password using AES-256-GCM and PBKDF2, then decrypt it later on this page.
File Utilities
Inspect files, create ZIP archives, convert files to data URIs and verify checksums.
File Type & Info CheckerFind out what a file really is.
Create ZIP FileCombine several files into one ZIP archive in your browser.
Open ZIP FileLook inside a ZIP archive and download individual files without installing anything.
File to Data URIConvert an image, font or any small file into a Base64 data URI, with ready-to-paste CSS and HTML snippets and a size warning when inlining is a bad idea.
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