Free web tools for everyday tasks

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Photos & images

Resize, compress, crop and convert images

6 tools

Image resizerSet a width or height and keep the aspect ratio.Image compressor (KB target)Shrink photos under a KB target or by quality, in batches.JPG / PNG / WebP converterConvert between JPG, PNG and WebP.Image cropperCrop photos freely or to a fixed aspect ratio.Image color pickerPick any pixel color from an image and see its main colors.Favicon generatorMake favicon.ico and PNG icons from an image, text or emoji.

Text

Count, compare and convert text, and make passwords and QR codes

10 tools

Character counterCharacters, words, lines and bytes as you type.Case converterSwitch text to upper, lower, title, camel or snake case.Text compareHighlight the differences between two texts.QR code generatorQR codes for URLs, Wi-Fi, contacts and more as PNG, SVG or PDF.Password generatorRandom passwords from a secure random generator, in bulk.Regex testerTest a regex and highlight matches and groups.Markdown editorEdit Markdown with a live preview.Lorem ipsum generatorPlaceholder text by paragraphs, sentences or words.Readability checkerScore English text with five readability formulas.Email signature generatorMake an HTML signature for Gmail and Outlook.

Developer

JSON, encoders, hashes, regex and CSS generators

23 tools

Image compressor (KB target)Shrink photos under a KB target or by quality, in batches.Case converterSwitch text to upper, lower, title, camel or snake case.Text compareHighlight the differences between two texts.JSON formatterFormat, minify, view as a tree and validate JSON.JSON ⇄ CSV converterConvert JSON and CSV both ways, with an Excel option.Base64 encoder/decoderText and files to Base64 and back, with URL-safe and data URLs.URL encoder/decoderPercent-encode and decode text for URLs.UUID generatorGenerate up to 1,000 random v4 UUIDs at once.Hash generatorMD5, SHA-1, SHA-256 and SHA-512 of text or files.Password generatorRandom passwords from a secure random generator, in bulk.Nostr key generatorGenerate Nostr keys and convert nsec, npub and hex.HTML entity encoderEncode and decode HTML entities: named, decimal, hex.Regex testerTest a regex and highlight matches and groups.Markdown editorEdit Markdown with a live preview.Lorem ipsum generatorPlaceholder text by paragraphs, sentences or words.Color pickerConvert HEX, RGB and HSL, build palettes and check contrast.CSS gradient generatorMake a gradient and copy the CSS or a Tailwind class.Box shadow generatorBuild box-shadow CSS with a live preview.Border radius generatorBuild border-radius CSS with a live preview.Favicon generatorMake favicon.ico and PNG icons from an image, text or emoji.Meta tag generatorBuild title, description and Open Graph tags with a preview.Robots.txt generatorBuild robots.txt and test URLs against it.Email signature generatorMake an HTML signature for Gmail and Outlook.

SEO & web publishing

Meta tags, robots.txt, word counts and English readability

4 tools

Character counterCharacters, words, lines and bytes as you type.Meta tag generatorBuild title, description and Open Graph tags with a preview.Readability checkerScore English text with five readability formulas.Robots.txt generatorBuild robots.txt and test URLs against it.

Color & design

Color codes, palettes, colors from images and CSS styling

5 tools

Color pickerConvert HEX, RGB and HSL, build palettes and check contrast.Image color pickerPick any pixel color from an image and see its main colors.CSS gradient generatorMake a gradient and copy the CSS or a Tailwind class.Box shadow generatorBuild box-shadow CSS with a live preview.Border radius generatorBuild border-radius CSS with a live preview.

Money & business

Loans, compound interest, invoices, percentages, tips and bill splitting

5 tools

Tip & split calculatorTip, total and each person's share, rounded your way.Percentage calculatorPercent of, ratios, percent change and percentage points.Mortgage calculatorMonthly payment, total interest, amortization and extra payments.Compound interest calculatorFuture value with contributions and a yearly table.Invoice generatorCreate a PDF invoice with line items and tax.

Everyday calculators

Discounts, unit prices and unit conversions

5 tools

Discount calculatorSale price and savings from a % discount.Unit price comparisonCompare prices per 100 g, 100 mL or piece.Tip & split calculatorTip, total and each person's share, rounded your way.Unit converterConvert inches, pounds, °F, acres, gallons and more.Percentage calculatorPercent of, ratios, percent change and percentage points.

Date & time

Date differences, ages and time calculations

3 tools

Days between datesDays between dates, or the date N days later.Age calculatorAge today or on any date, plus next birthday.Time calculatorHours worked, time totals and decimal hours.

PDF & files

Create, merge and split PDFs

3 tools

Images to PDFPut photos and images in order in one PDF.PDF mergerCombine several PDFs into one, in any order.PDF splitter and page extractorExtract, delete or split PDF pages.

Tools based on Japanese rules — Japanese era dates, public holidays, school years and ID photo sizes — are available on the Japanese site. 日本語版を見る