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Useful tools.
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Fast, private web utilities for text, images, PDFs, calculations, code and everyday work. Open a tool and get the job done.
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Popular tools
20 toolsTextWord counterCount words, characters, sentences and reading time instantly.TextText compareCompare two blocks of text and highlight every change.ImagesImage compressorReduce JPG, PNG and WebP file sizes privately in your browser.ImagesHEIC converterConvert iPhone HEIC and HEIF photos to compatible JPG or PNG files.ImagesImage to textExtract editable English text from photos, scans and screenshots.DocumentsMerge PDFCombine multiple PDF files into one document in any order.DocumentsSplit PDFExtract selected pages or ranges into a new PDF file.DocumentsImages to PDFTurn one or more JPG or PNG images into a PDF document.DocumentsPDF to imagesTurn selected PDF pages into high-quality JPG or PNG images.DocumentsPDF organizerReorder, rotate and remove PDF pages before saving a new copy.DocumentsPDF to textExtract selectable text from PDF pages into an editable text file.DocumentsWatermark PDFAdd a customizable text watermark to selected PDF pages.DocumentsNumber PDF pagesNumber PDF pages with custom formats, positions and ranges.CalculatorsPercentage calculatorFind percentages, percentage change and adjusted values.CalculatorsAge calculatorCalculate an exact age in years, months, weeks and days.CalculatorsUnit converterConvert common metric, US and Imperial measurement units.DeveloperJSON formatterValidate, prettify, minify and sort JSON data.DeveloperRegex testerTest regex patterns, flags, matches and capture groups live.MarketingQR code generatorCreate downloadable QR codes for links, text, email and Wi-Fi.MarketingUTM builderBuild correctly encoded campaign URLs with UTM parameters.
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View all tools Everything has a place.
Text
Count, compare, clean and transform written content.
TextWord counterCount words, characters, sentences and reading time instantly.TextSearch & replaceFind and replace words, phrases or patterns in bulk text.TextText compareCompare two blocks of text and highlight every change.TextCase converterSwitch text between title, sentence, camel, snake and other cases.TextLine cleanerSort lines, remove duplicates, trim spaces and delete blanks.
Images
Compress, resize and convert images on your device.
ImagesImage compressorReduce JPG, PNG and WebP file sizes privately in your browser.ImagesImage resizerResize or crop an image to exact pixel dimensions.ImagesImage converterConvert images between JPG, PNG and WebP formats.ImagesHEIC converterConvert iPhone HEIC and HEIF photos to compatible JPG or PNG files.ImagesImage to textExtract editable English text from photos, scans and screenshots.ImagesMetadata removerCheck photos for EXIF and GPS data, then create a clean copy.
Documents
Merge, split and create PDF files without uploading them.
DocumentsMerge PDFCombine multiple PDF files into one document in any order.DocumentsSplit PDFExtract selected pages or ranges into a new PDF file.DocumentsImages to PDFTurn one or more JPG or PNG images into a PDF document.DocumentsPDF to imagesTurn selected PDF pages into high-quality JPG or PNG images.DocumentsPDF organizerReorder, rotate and remove PDF pages before saving a new copy.DocumentsPDF to textExtract selectable text from PDF pages into an editable text file.DocumentsWatermark PDFAdd a customizable text watermark to selected PDF pages.DocumentsNumber PDF pagesNumber PDF pages with custom formats, positions and ranges.
Calculators
Calculate percentages, dates, working days and unit conversions.
CalculatorsPercentage calculatorFind percentages, percentage change and adjusted values.CalculatorsAge calculatorCalculate an exact age in years, months, weeks and days.CalculatorsDate differenceFind the calendar and total-day difference between two dates.CalculatorsBusiness daysCount, add or subtract working days with custom holidays.CalculatorsUnit converterConvert common metric, US and Imperial measurement units.
Developer
Format data, encode values and work with timestamps.
DeveloperJSON formatterValidate, prettify, minify and sort JSON data.DeveloperRegex testerTest regex patterns, flags, matches and capture groups live.DeveloperBase64 encoderEncode plain text to Base64 or decode it back to UTF-8.DeveloperURL encoderSafely encode or decode URLs, query strings and URL components.DeveloperTimestamp converterConvert Unix timestamps to dates and dates back to timestamps.DeveloperCSV to JSONConvert CSV, TSV or semicolon-delimited data into JSON.DeveloperJSON to CSVConvert JSON arrays and objects into CSV, TSV or semicolon data.DeveloperPassword generatorCreate strong random passwords with adjustable character sets.
Marketing
Build campaign links, QR codes and redirect rules.
MarketingQR code generatorCreate downloadable QR codes for links, text, email and Wi-Fi.MarketingQR code scannerRead the text or link inside a QR code image without uploading it.MarketingUTM builderBuild correctly encoded campaign URLs with UTM parameters.Marketing301 redirect generatorGenerate permanent redirect rules for popular hosting platforms.
UsefulGrid guides
Browse all guides Know what to do—and why.
Reduce a PDF for emailA practical, privacy-conscious checklist for making a PDF smaller without making it unreadable.Read guide HEIC vs JPGUnderstand the practical difference between efficient iPhone photos and widely compatible JPG files.Read guide Convert JSON to CSV privatelyTurn structured JSON into a spreadsheet-ready table while understanding nested fields, arrays and common data traps.Read guide Copy text from an imageUse browser-based OCR effectively, improve difficult images and check the details automated recognition often gets wrong.Read guide Organize PDF pagesFix page order and orientation, remove unwanted pages and verify the new document without changing the original.Read guide Remove photo metadataCheck what a photo may reveal, create a metadata-free sharing copy and understand what removal does not protect.Read guide Extract text from a PDFLearn why some PDFs copy cleanly, why scans need OCR and how to turn selected pages into useful editable text.Read guide Watermark a PDF privatelyAdd a clear Draft, Confidential or recipient label while balancing visibility, readability and document integrity.Read guide Number a merged PDFPlan one clean sequence, skip a cover when needed and avoid numbering pages before the document order is final.Read guide Percentage formulas explainedChoose the right percentage formula, understand the baseline and avoid common mistakes with changes and percentage points.Read guide Calendar days vs business daysUnderstand elapsed and inclusive dates, calendar ages, weekdays, weekends and why holiday rules must match the location and task.Read guide