https://rondekker.nl/en-gb/tools/Online tools for accessibility, design, and data manipulation. Developed by a full stack web developer to simplify tasks in design and development.en-gbRon Dekkerhttps://rondekker.nl/en-gb/tools/convert-to-ndjson/https://rondekker.nl/en-gb/tools/convert-to-ndjson/Convert CSV, INI, JSON, TOML, TSV, XML, or YAML to NDJSON in your browser, with one JSON value per line.Tue, 01 Sep 2026 00:00:00 +0000https://rondekker.nl/en-gb/tools/convert-to-toml/https://rondekker.nl/en-gb/tools/convert-to-toml/Convert CSV, INI, JSON, NDJSON, TSV, XML, or YAML to TOML in your browser.Thu, 27 Aug 2026 00:00:00 +0000https://rondekker.nl/en-gb/tools/convert-to-csv/https://rondekker.nl/en-gb/tools/convert-to-csv/Convert INI, JSON, NDJSON, TOML, TSV, XML, or YAML data to CSV in your browser. Choose the delimiter and whether to include headers.Wed, 26 Aug 2026 00:00:00 +0000https://rondekker.nl/en-gb/tools/convert-to-ini/https://rondekker.nl/en-gb/tools/convert-to-ini/Convert CSV, JSON, NDJSON, TOML, TSV, XML, or YAML configuration data to INI in your browser.Wed, 26 Aug 2026 00:00:00 +0000https://rondekker.nl/en-gb/tools/convert-to-json/https://rondekker.nl/en-gb/tools/convert-to-json/Convert CSV, INI, NDJSON, TOML, TSV, XML, or YAML to formatted JSON in your browser.Wed, 26 Aug 2026 00:00:00 +0000https://rondekker.nl/en-gb/tools/convert-to-tsv/https://rondekker.nl/en-gb/tools/convert-to-tsv/Convert CSV, INI, JSON, NDJSON, TOML, XML, or YAML data to tab-separated values in your browser.Wed, 26 Aug 2026 00:00:00 +0000https://rondekker.nl/en-gb/tools/convert-to-xml/https://rondekker.nl/en-gb/tools/convert-to-xml/Convert CSV, INI, JSON, NDJSON, TOML, TSV, or YAML to XML in your browser and control the generated structure.Wed, 26 Aug 2026 00:00:00 +0000https://rondekker.nl/en-gb/tools/convert-to-yaml/https://rondekker.nl/en-gb/tools/convert-to-yaml/Convert CSV, INI, JSON, NDJSON, TOML, TSV, or XML to YAML in your browser.Wed, 26 Aug 2026 00:00:00 +0000https://rondekker.nl/en-gb/tools/dice-simulator/https://rondekker.nl/en-gb/tools/dice-simulator/Simulate rolling dice with customizable number of dice and face values. Useful for games, probability experiments, or tabletop simulations.Sun, 07 Dec 2025 00:00:00 +0000https://rondekker.nl/en-gb/tools/html-encoder-and-decoder/https://rondekker.nl/en-gb/tools/html-encoder-and-decoder/Convert HTML-sensitive characters to numeric entities or decode entities to plain text in your browser.Sat, 12 Jul 2025 00:00:00 +0000https://rondekker.nl/en-gb/tools/text-difference-finder/https://rondekker.nl/en-gb/tools/text-difference-finder/Easily compare two texts and instantly see the differences in one clear overview. Useful for text review, configuration comparison, and content management.Mon, 07 Jul 2025 00:00:00 +0000https://rondekker.nl/en-gb/tools/date-and-time-converter/https://rondekker.nl/en-gb/tools/date-and-time-converter/Convert an epoch or Unix timestamp into a human-readable date and time, or enter a date and time to get the corresponding timestamp.Sun, 06 Jul 2025 00:00:00 +0000https://rondekker.nl/en-gb/tools/random-number-generator/https://rondekker.nl/en-gb/tools/random-number-generator/Generate a list of random whole numbers within a specified range. Useful for testing, lotteries, or data experiments.Sun, 06 Jul 2025 00:00:00 +0000https://rondekker.nl/en-gb/tools/text-lines-sorter/https://rondekker.nl/en-gb/tools/text-lines-sorter/Paste a list of text lines and have them sorted alphabetically, case-insensitively. Useful for names, word lists, or extracted data.Sun, 06 Jul 2025 00:00:00 +0000https://rondekker.nl/en-gb/tools/text-statistics/https://rondekker.nl/en-gb/tools/text-statistics/Analyse any block of text with statistics, including word count, sentence length, estimated reading time, character frequency and word frequency.Sun, 29 Jun 2025 00:00:00 +0000https://rondekker.nl/en-gb/tools/monospaced-words/https://rondekker.nl/en-gb/tools/monospaced-words/Instead of making each letter the same width, this tool stretches words to be the same size. It's a visual experiment in typography, with surprising effects.Sat, 28 Jun 2025 00:00:00 +0000https://rondekker.nl/en-gb/tools/password-strength-checker/https://rondekker.nl/en-gb/tools/password-strength-checker/Check the strength and security of passwords with this strength checker. Get detailed feedback on password quality, entropy, and security recommendations.Sat, 21 Jun 2025 00:00:00 +0000https://rondekker.nl/en-gb/tools/uuid-generator/https://rondekker.nl/en-gb/tools/uuid-generator/Generate cryptographically secure UUID v4 identifiers with customizable formats for databases, APIs, and distributed systems.Sat, 21 Jun 2025 00:00:00 +0000https://rondekker.nl/en-gb/tools/file-metadata-analyzer/https://rondekker.nl/en-gb/tools/file-metadata-analyzer/Analyse and view detailed metadata of your files locally in the browser. See file information including name, size, type, last modified date, and more without uploading to any server.Sun, 08 Dec 2024 00:00:00 +0000https://rondekker.nl/en-gb/tools/lorem-ipsum-generator/https://rondekker.nl/en-gb/tools/lorem-ipsum-generator/Generate custom Lorem Ipsum placeholder text by specifying the number of and lines per paragraph. Perfect for web design, UI mock-ups, and publishing drafts.Wed, 16 Oct 2024 00:00:00 +0000https://rondekker.nl/en-gb/tools/password-generator/https://rondekker.nl/en-gb/tools/password-generator/Learn more about using passwords and create strong, randomised passwords with customisable options for length, numbers, symbols, and more.Wed, 16 Oct 2024 00:00:00 +0000https://rondekker.nl/en-gb/tools/xml-formatter-minifier-and-validator/https://rondekker.nl/en-gb/tools/xml-formatter-minifier-and-validator/Format, minify, and validate XML easily with this online tool, perfect for web development, data exchange, or system configuration tasks.Wed, 16 Oct 2024 00:00:00 +0000https://rondekker.nl/en-gb/tools/color-palette-generator/https://rondekker.nl/en-gb/tools/color-palette-generator/Discover a colour palette generator that instantly creates harmonious palettes using hex or RGB inputs based on colour theory formulas.Tue, 15 Oct 2024 00:00:00 +0000https://rondekker.nl/en-gb/tools/case-style-converter/https://rondekker.nl/en-gb/tools/case-style-converter/Easily format text with this online tool that converts input into over a dozen case styles, including camelCase, PascalCase and snake_case.Mon, 14 Oct 2024 00:00:00 +0000https://rondekker.nl/en-gb/tools/color-converter/https://rondekker.nl/en-gb/tools/color-converter/Easily convert colours between hex, RGB, HSL, CMYK, LCH, and more with this online tool. Save time, ensure consistency of your design.Sun, 13 Oct 2024 00:00:00 +0000https://rondekker.nl/en-gb/tools/color-accessibility-checker/https://rondekker.nl/en-gb/tools/color-accessibility-checker/Easily check colour contrast ratios for WCAG compliance with this widget. Input HEX or RGB values to ensure accessibility for AA and AAA standards.Sat, 12 Oct 2024 00:00:00 +0000https://rondekker.nl/en-gb/tools/base64-encoder-and-decoder/https://rondekker.nl/en-gb/tools/base64-encoder-and-decoder/Encode Latin-1 text as Base64 or decode a standard Base64 string in your browser.Wed, 09 Oct 2024 00:00:00 +0000https://rondekker.nl/en-gb/tools/url-encoder-and-decoder/https://rondekker.nl/en-gb/tools/url-encoder-and-decoder/Percent-encode or decode a complete URL or one URL component, with a clear explanation of the difference.Wed, 09 Oct 2024 00:00:00 +0000https://rondekker.nl/en-gb/tools/json-formatter-minifier-and-validator/https://rondekker.nl/en-gb/tools/json-formatter-minifier-and-validator/Format, minify, and validate JSON with this simple online tool. Perfect for developers working with web, API, or data analysis tasks.Tue, 08 Oct 2024 00:00:00 +0000