ToolnozaDeveloper Tools
Format JSON, convert CSV, encode Base64, inspect URLs and generate hashes or UUIDs. Process data locally and validate output before using it.
HTML Table Generator — Editor, Preview & CodeBuild an HTML table online with a caption, column headings, editable cells and spreadsheet paste. Preview and download responsive HTML/CSS.Animated CSS Gradient Generator — Live PreviewCreate a three-color animated CSS gradient with angle and speed controls. Preview, pause, copy CSS and respect reduced-motion preferences.Cron Expression GeneratorBuild and validate a five-field Unix cron expression.CSS Clamp Calculator & GeneratorGenerate fluid font-size CSS between two viewport widths with a live preview.HTTP Status Codes — Searchable ReferenceLook up common HTTP status codes, search their meanings and filter informational, success, redirect, client error and server error responses.Decimal to Hex ConverterConvert a decimal integer to hexadecimal exactly, including large integers and negative values. Convert hex back to decimal too.JSON to CSV ConverterConvert a JSON array of objects to a downloadable CSV with quoted fields.HTML Entity Encoder & DecoderEscape HTML characters or decode entities as plain text without executing markup.Unix Timestamp ConverterConvert Unix seconds or milliseconds to UTC, and an ISO date to a timestamp.SHA-256 Hash GeneratorHash UTF-8 text with SHA-256 locally using browser crypto.Wi-Fi QR Code GeneratorGenerate a downloadable Wi-Fi QR code from network details.URL ParserInspect protocol, hostname, port, path, query and fragment of an URL.Color Contrast CheckerCalculate WCAG contrast ratio between two opaque HEX colors.JSON FormatterFormat and validate JSON text with readable indentation.UUID GeneratorGenerate random UUID version 4 identifiers in your browser.Base64 Encoder & DecoderEncode UTF-8 text to Base64 or decode Base64 back to text.URL Encoder & DecoderEncode or decode a URL component with percent encoding.HEX to RGB Color ConverterConvert a HEX color to RGB or RGB values to HEX and preview it.CSV to JSON ConverterConvert a small CSV table with a header row into formatted JSON.Data Size ConverterConvert bytes, KB, MB, GB, KiB, MiB and GiB.Image to Base64 ConverterEncode JPG, PNG or WebP as a copyable Base64 data URL.Base64 to Image ConverterDecode a PNG, JPG or WebP Base64 data URL into a downloadable image.IP Address InformationLook up a public IPv4 or IPv6 address: approximate location, ISP, organization, ASN and timezone.