SoftwareTutorial
Compress Images Without Visible Quality Loss
Compress JPG, PNG and WebP images in your browser. Learn how quality, format and dimensions affect file size, spot artifacts and check results.
November 10, 202611 min read
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Powerful, easy-to-use tools for text, images, PDFs, SEO, developers, calculators and much more, all in one place, 100% free.
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Tools run in your browser. Your files and text are not uploaded to Ovatly. A small number of tools use services built into your browser or public image hosts; each such tool says so on its own page.
AI & Prompt ToolsBuild better prompts, count tokens and prepare AI-ready text.12 toolsSEO ToolsTitles, meta tags, slugs and on-page checks for search-ready pages.16 toolsDeveloper ToolsFormatters, encoders, generators and converters for everyday coding work.22 toolsText & Writing ToolsCounters, converters and clean-up tools for writers and editors.22 toolsImage ToolsCompress, resize, convert and inspect images without uploading them.16 toolsPDF & Document ToolsMerge, split, convert and inspect PDFs and documents in your browser.12 toolsCalculatorsEveryday math, money, date and health calculators with the working shown.24 toolsWebsite & Webmaster ToolsChecks and builders for the pages, tags and files behind a website.14 toolsSocial Media ToolsSizes, counters and planners for social posts that fit every platform.12 toolsMarketing ToolsUTM links, subject lines, QR sheets and campaign helpers.12 toolsData & JSON ToolsFormat, convert, validate and inspect JSON, CSV, YAML and XML data.14 toolsURL & Link ToolsEncode, parse, clean and check URLs and link lists.12 toolsColor & Design ToolsPick, convert and check colors, gradients, contrast and type scales.12 toolsSecurity & Privacy UtilitiesPasswords, hashes and privacy checks that run locally on your device.12 toolsProductivity ToolsTimers, planners, lists and focus tools for getting work done.12 toolsFile & Data ConversionConvert between common file and data formats, in both directions.10 toolsEducation & Research ToolsCitations, reading aids and study tools for students and researchers.8 toolsBusiness & Finance UtilitiesInvoices, receipts, margins and everyday business documents.8 tools
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Editor's Picks
Word CounterCount words, characters, sentences and paragraphs in your text instantly, with reading timeText & Writing ToolsOpenJSON Formatter and ValidatorFormat JSON with your choice of indentation, validate it and explore its structureData & JSON ToolsOpenPassword GeneratorCreate strong random passwords with your browser's cryptographic random sourceSecurity & Privacy UtilitiesOpenImage CompressorShrink JPG, PNG and WebP image file sizes at the quality level you chooseImage ToolsOpenMerge PDFCombine two or more PDF files into a single document, in the order you choosePDF & Document ToolsOpenLoan EMI CalculatorCalculate the fixed monthly payment on a loan, with a full amortization scheduleCalculatorsOpenUUID GeneratorGenerate random version 4 UUIDs in bulk with your browser's cryptographic random sourceDeveloper ToolsOpenCase ConverterRewrite text in eleven cases, from UPPER and Title Case to camelCase and snake_caseText & Writing ToolsOpenCurrency Converter (offline rates)Convert between twelve major currencies using an editable rate table you controlCalculatorsOpenQR Code GeneratorCreate a downloadable QR code for a link, text, WiFi network or contact cardImage ToolsOpenAge CalculatorWork out an exact age in years, months and days between any two datesCalculatorsOpenColor Picker (HEX/RGB/HSL)Pick one color and see it in HEX, RGB and HSL together, with shades and copy-ready valuesColor & Design ToolsOpen
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Latest tools
Receipt Template BuilderMake a simple, print-ready receipt for a payment you have already receivedBusiness & Finance UtilitiesOpenBusiness Days CalculatorCount working days between two dates, or add business days, skipping weekends and any holidays you list yourselfBusiness & Finance UtilitiesOpenLate Fee CalculatorWork out the fee on an overdue invoice for flat, percentage or interest termsBusiness & Finance UtilitiesOpenFreelance Rate CalculatorWork backwards from the income you want to the hourly rate you need to chargeBusiness & Finance UtilitiesOpenBreak-Even CalculatorFind the sales volume at which a product or business stops losing moneyBusiness & Finance UtilitiesOpenProfit Margin CalculatorSeparate margin from markup and calculate both from cost and selling priceBusiness & Finance UtilitiesOpenQuotation/Estimate GeneratorCreate a client quotation or estimate with the same clean, print-ready document layoutBusiness & Finance UtilitiesOpenInvoice GeneratorBuild a clean, print-ready invoice from your business and client details and line itemsBusiness & Finance UtilitiesOpen
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How to Add Watermarks to Photos
Add a text watermark to photos in your browser. Learn how position, opacity and size affect readability, and what watermarks can and cannot protect.
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How to Create Strong Passwords (and Actually Remember Them)
Create strong unique passwords with cryptographic randomness or passphrases. Learn about length, password managers, MFA and checker limitations.
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How to Write Better AI Prompts
Build clearer AI prompts with role, task, context, constraints and format. Follow a before-and-after example and learn how to refine results.
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