Images
47 ツール
I want to…
画像ツール 9
More tools (8)
画像 ResizerResize images locally without uploading them.画像 Format 変換Convert PNG ↔ JPEG ↔ WebP in the browser.画像圧縮Re-encode JPEG/WebP with a quality slider and size preview.画像 to Base64 変換Embed images as Base64 data URIs.Base64 to 画像変換Preview and download an image from Base64 data.画像色選択Pick pixel colors from any uploaded image.SVG to JPG 変換Convert SVG to JPG right in the browser — the background is flattened to white (or any colour you pick), the size follows your request, and the vector file is only ever opened inside your own tab.ScanforEmbedded ファイルScans the data for potential embedded files by looking for magic bytes at all offsets. This operation is prone to false positives. WARNING: Files over about 100KB in size will take a VERY long time to process.
色ツール 10
16 進色選択Interactive picker with HEX, RGB and HSL output.色 Code 変換Convert between HEX, RGB, HSL and named colors.色コントラストチェック(WCAG)Verify text contrast ratios against WCAG AA/AAA.色パレット生成Shades, tints and complementary schemes from one color.乱数色生成Batch random colors with copyable codes.CSS 名前付き色リファレンスAll 148 CSS color names with codes and previews.
More tools (4)
色混色Blend two colours in sRGB, HSL or perceptual CIE Lab and generate a ramp with contrast ratios.CMYK 変換Convert between HEX/RGB/HSL and CMYK for print, in both directions.CMYKtoRGBConvert print CMYK percentages back to screen HEX, RGB and HSL.ParsecolourcodeConverts a colour code in a standard format to other standard formats and displays the colour itself. Example inputs #d9edf7 rgba(217,237,247,1) hsla(200,65%,91%,1) cmyk(0.12, 0.04, 0.00, 0.03)
qr 23
More tools (22)
URL QR コード生成Turn any link into a scannable QR code, adding https:// when the scheme is missing and warning about unsafe schemes.Wi-Fi QR コード生成Build a standards-compliant WIFI: payload with SSID, password, WPA/WEP/open encryption and hidden-network flag so phones join the network on scan.vCard QR コード生成Generate a vCard 3.0 contact QR code with name, organisation, title, phone, email, website, address and note.MECARD QR コード生成Build a MECARD contact payload — the compact alternative to vCard that fits in a smaller, lower-version QR symbol.メール QR コード生成Create a mailto: QR code with prefilled recipient, subject and body.Phone 数値 QR コード生成Generate a tel: URI QR code that opens the dialler with the number already filled in.SMS QR コード生成Build an sms: URI QR code with a prefilled message body, encoded for both iOS and Android.Geo Location QR コード生成Create a geo: URI QR code from latitude and longitude, validating the coordinate ranges before encoding.Calendar Event QR コード生成Generate an iCalendar VEVENT QR code with start, end, title, location and description that phones add straight to the calendar.WhatsApp QR コード生成Build a wa.me link QR code with an optional prefilled message, normalising the phone number to digits with country code.Telegram QR コード生成Create a t.me link QR code that opens a Telegram chat or channel.Bitcoin Payment QR コード生成Build a BIP-21 bitcoin: URI QR code with address, amount, label and message, and check the address shape.Ethereum Payment QR コード生成Generate an EIP-681 ethereum: URI QR code with address, value and gas limit, validating the 0x + 40 hex format.UPI Payment QR コード生成Build a upi://pay QR code with payee VPA, name, amount, note and currency, validating the VPA and amount formats.JSON QR コード生成Validate and minify JSON before encoding it, so the payload fits in the smallest possible QR version.QR コードデコードUpload a PNG, JPG, WebP or GIF and decode the QR code locally with jsQR, then identify the payload type and parse its fields.QRPayloadTypeDetectorIdentify what a decoded QR payload actually is — URL, Wi-Fi, vCard, MECARD, geo, calendar, email, phone, SMS, Bitcoin, Ethereum, UPI, WhatsApp, Telegram, JSON, XML or plain text — and split it into fields.QR コード検証Check a payload before you print it: capacity at the chosen error correction level, URL/email/Wi-Fi/vCard/geo/Bitcoin/Ethereum/UPI/JSON format, unsafe schemes and scannability risks.QR Payload 解析Split a raw QR payload into its component fields — Wi-Fi SSID and encryption, vCard name and phone, geo coordinates, URI query parameters.QR Payload 整形Build a correct standard payload string from JSON fields, applying the escaping rules each format requires.QR コード ScanTestRender your QR settings and then decode the result locally, comparing it to the original payload, plus quiet zone, contrast, density and capacity checks with a Good / Warning / Risk verdict.GenerateQR コードGenerates a Quick Response (QR) code from the input text. A QR code is a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan. A barcode is a machine-readable optical label that con
barcode 5
More tools (4)
EAN-13 Barcode 生成Generate a retail EAN-13 barcode from 12 digits — the 13th check digit is computed for you — and export it as SVG or PNG.UPC-A Barcode 生成Generate a US retail UPC-A barcode from 11 digits with the check digit added automatically, ready for print as SVG or PNG.Code 128 Barcode 生成Encode full ASCII text, serial numbers and tracking codes in the compact, high-density Code 128 symbology with automatic subset switching.Code 39 Barcode 生成Create industrial Code 39 barcodes from letters, digits and - . $ / + % — the wide, rugged symbology used on asset and inventory labels.