Images
47 Công cụ
I want to…
Công cụ hình ảnh 9
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hình ảnh ResizerResize images locally without uploading them.Bộ chuyển đổi hình ảnh FormatConvert PNG ↔ JPEG ↔ WebP in the browser.Bộ nén hình ảnhRe-encode JPEG/WebP with a quality slider and size preview.Bộ chuyển đổi hình ảnh to Base64Embed images as Base64 data URIs.Bộ chuyển đổi Base64 to hình ảnhPreview and download an image from Base64 data.Bộ chọn hình ảnh màuPick pixel colors from any uploaded image.Bộ chuyển đổi SVG to JPGConvert 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.Scan for Embedded TệpScans 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.
Công cụ màu sắc 10
Bộ chọn thập phân màuInteractive picker with HEX, RGB and HSL output.Bộ chuyển đổi màu CodeConvert between HEX, RGB, HSL and named colors.màu tên Bộ kiểm tra (WCAG)Verify text contrast ratios against WCAG AA/AAA.Bộ tạo màu độ tương phảnShades, tints and complementary schemes from one color.Bộ tạo tuổi màuBatch random colors with copyable codes.Bảng tham chiếu CSS Đặt tên MàuAll 148 CSS color names with codes and previews.
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Bộ trộn màuBlend two colours in sRGB, HSL or perceptual CIE Lab and generate a ramp with contrast ratios.Bộ chuyển đổi CMYKConvert between HEX/RGB/HSL and CMYK for print, in both directions.CMYK to RGBConvert print CMYK percentages back to screen HEX, RGB and HSL.Parse colour codeConverts 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
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Bộ tạo URL mã QRTurn any link into a scannable QR code, adding https:// when the scheme is missing and warning about unsafe schemes.Bộ tạo Wi-Fi mã QRBuild a standards-compliant WIFI: payload with SSID, password, WPA/WEP/open encryption and hidden-network flag so phones join the network on scan.Bộ tạo vCard mã QRGenerate a vCard 3.0 contact QR code with name, organisation, title, phone, email, website, address and note.Bộ tạo MECARD mã QRBuild a MECARD contact payload — the compact alternative to vCard that fits in a smaller, lower-version QR symbol.Bộ tạo bí mật mã QRCreate a mailto: QR code with prefilled recipient, subject and body.Bộ tạo Phone số mã QRGenerate a tel: URI QR code that opens the dialler with the number already filled in.Bộ tạo SMS mã QRBuild an sms: URI QR code with a prefilled message body, encoded for both iOS and Android.Bộ tạo Geo Location mã QRCreate a geo: URI QR code from latitude and longitude, validating the coordinate ranges before encoding.Bộ tạo Calendar Event mã QRGenerate an iCalendar VEVENT QR code with start, end, title, location and description that phones add straight to the calendar.Bộ tạo WhatsApp mã QRBuild a wa.me link QR code with an optional prefilled message, normalising the phone number to digits with country code.Bộ tạo Telegram mã QRCreate a t.me link QR code that opens a Telegram chat or channel.Bộ tạo Bitcoin Payment mã QRBuild a BIP-21 bitcoin: URI QR code with address, amount, label and message, and check the address shape.Bộ tạo Ethereum Payment mã QRGenerate an EIP-681 ethereum: URI QR code with address, value and gas limit, validating the 0x + 40 hex format.Bộ tạo UPI Payment mã QRBuild a upi://pay QR code with payee VPA, name, amount, note and currency, validating the VPA and amount formats.Bộ tạo JSON mã QRValidate and minify JSON before encoding it, so the payload fits in the smallest possible QR version.Bộ giải mã mã QRUpload a PNG, JPG, WebP or GIF and decode the QR code locally with jsQR, then identify the payload type and parse its fields.QR Payload Type DetectorIdentify 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.Bộ xác thực mã QRCheck 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.Bộ phân tích cú pháp QR PayloadSplit a raw QR payload into its component fields — Wi-Fi SSID and encryption, vCard name and phone, geo coordinates, URI query parameters.Bộ định dạng QR PayloadBuild a correct standard payload string from JSON fields, applying the escaping rules each format requires.mã QR Scan TestRender 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.Generate mã QRGenerates 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
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Bộ tạo EAN-13 BarcodeGenerate a retail EAN-13 barcode from 12 digits — the 13th check digit is computed for you — and export it as SVG or PNG.Bộ tạo UPC-A BarcodeGenerate a US retail UPC-A barcode from 11 digits with the check digit added automatically, ready for print as SVG or PNG.Bộ tạo Code 128 BarcodeEncode full ASCII text, serial numbers and tracking codes in the compact, high-density Code 128 symbology with automatic subset switching.Bộ tạo Code 39 BarcodeCreate industrial Code 39 barcodes from letters, digits and - . $ / + % — the wide, rugged symbology used on asset and inventory labels.