QR codes, JSON, Base64, URL encoding, hashes and more. Everything runs in your browser — your data never leaves your device.
Pick a tool to get started.
Custom QR codes for links, WiFi, contacts and more, with your logo.
Open Tool →Validate, format and beautify JSON with exact error locations.
Open Tool →Compare two JSON documents and highlight the differences.
Open Tool →Convert between RGB, HEX and HSL with a live color picker.
Open Tool →Decode Base64 to an image or encode an image to Base64.
Open Tool →Encode or decode URLs and query strings (percent-encoding).
Open Tool →Compare two versions of text and highlight what was added or removed.
Open Tool →Create Code 128, EAN-13, UPC and Code 39 barcodes.
Open Tool →Count words, characters, sentences, paragraphs and reading time.
Open Tool →Generate a UPI payment QR code with your VPA, name and amount.
Open Tool →Decode a JSON Web Token's header and payload instantly.
Open Tool →Test regular expressions with live match highlighting.
Open Tool →Generate one or many random version 4 UUIDs.
Open Tool →Compute SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text.
Open Tool →Validate, beautify or minify XML documents.
Open Tool →Convert JSON to clean, readable YAML instantly.
Open Tool →Convert YAML to formatted JSON instantly.
Open Tool →Search any iOS or iPadOS app by name and copy its bundle ID.
Open Tool →Convert Unix epoch timestamps to dates and back, with start/end of day, month and year.
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