Free online tools for developers. JSON formatter, Base64 encoder, QR code generator, and more.https://xolancer.com/en-ushttps://xolancer.com/tools/json-formatter/https://xolancer.com/tools/json-formatter/Format, validate, minify, and beautify JSON data instantly in your browser.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/base64-encoder/https://xolancer.com/tools/base64-encoder/Encode text to Base64 or decode Base64 back to plain text.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/url-encoder/https://xolancer.com/tools/url-encoder/Encode or decode URL strings safely for web usage.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/uuid-generator/https://xolancer.com/tools/uuid-generator/Generate random UUIDs (v4) instantly. Copy multiple UUIDs at once.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/jwt-decoder/https://xolancer.com/tools/jwt-decoder/Decode JWT tokens to inspect header and payload claims.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/html-entity-encoder/https://xolancer.com/tools/html-entity-encoder/Encode or decode HTML entities to prevent XSS or display raw HTML.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/word-counter/https://xolancer.com/tools/word-counter/Count words, characters, sentences, paragraphs, and estimate reading time.Sun, 31 May 2026 06:45:34 GMTtexthttps://xolancer.com/tools/case-converter/https://xolancer.com/tools/case-converter/Convert text between uppercase, lowercase, title case, sentence case, camelCase, and more.Sun, 31 May 2026 06:45:34 GMTtexthttps://xolancer.com/tools/lorem-ipsum-generator/https://xolancer.com/tools/lorem-ipsum-generator/Generate Lorem Ipsum placeholder text for your designs and mockups.Sun, 31 May 2026 06:45:34 GMTtexthttps://xolancer.com/tools/text-diff-checker/https://xolancer.com/tools/text-diff-checker/Compare two texts and find differences line by line.Sun, 31 May 2026 06:45:34 GMTtexthttps://xolancer.com/tools/image-to-base64/https://xolancer.com/tools/image-to-base64/Convert images to Base64 data URIs for embedding in HTML, CSS, or JSON.Sun, 31 May 2026 06:45:34 GMTimagehttps://xolancer.com/tools/color-converter/https://xolancer.com/tools/color-converter/Convert colors between HEX, RGB, HSL, and CSS named formats.Sun, 31 May 2026 06:45:34 GMTimagehttps://xolancer.com/tools/percentage-calculator/https://xolancer.com/tools/percentage-calculator/Calculate percentages easily. Find what percent X is of Y, or calculate percentage increase/decrease.Sun, 31 May 2026 06:45:34 GMTcalculatorhttps://xolancer.com/tools/age-calculator/https://xolancer.com/tools/age-calculator/Calculate exact age from a birth date in years, months, and days.Sun, 31 May 2026 06:45:34 GMTcalculatorhttps://xolancer.com/tools/tip-calculator/https://xolancer.com/tools/tip-calculator/Calculate tips and split bills easily among friends.Sun, 31 May 2026 06:45:34 GMTcalculatorhttps://xolancer.com/tools/meta-tag-generator/https://xolancer.com/tools/meta-tag-generator/Generate SEO meta tags for your website: Open Graph, Twitter Cards, and standard meta.Sun, 31 May 2026 06:45:34 GMTseohttps://xolancer.com/tools/robots-txt-generator/https://xolancer.com/tools/robots-txt-generator/Generate a robots.txt file to control search engine crawling of your site.Sun, 31 May 2026 06:45:34 GMTseohttps://xolancer.com/tools/pdf-page-counter/https://xolancer.com/tools/pdf-page-counter/Count the number of pages in a PDF file without uploading it to any server.Sun, 31 May 2026 06:45:34 GMTpdfhttps://xolancer.com/tools/csv-to-json/https://xolancer.com/tools/csv-to-json/Convert CSV data to JSON format instantly. Handles headers and nested structures.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/markdown-preview/https://xolancer.com/tools/markdown-preview/Preview Markdown as rendered HTML. Write Markdown and see the output instantly.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/password-generator/https://xolancer.com/tools/password-generator/Generate strong, secure passwords with customizable length and character sets.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/color-palette-generator/https://xolancer.com/tools/color-palette-generator/Generate harmonious color palettes from a base color. Get complementary, analogous, and triadic schemes.Sun, 31 May 2026 06:45:34 GMTimagehttps://xolancer.com/tools/qr-code-generator/https://xolancer.com/tools/qr-code-generator/Generate QR codes for URLs, text, or any content. Copy or download the QR image.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/length-converter/https://xolancer.com/tools/length-converter/Convert between meters, feet, inches, kilometers, miles, centimeters, and more.Sun, 31 May 2026 06:45:34 GMTcalculatorhttps://xolancer.com/tools/temperature-converter/https://xolancer.com/tools/temperature-converter/Convert between Celsius, Fahrenheit, and Kelvin instantly.Sun, 31 May 2026 06:45:34 GMTcalculatorhttps://xolancer.com/tools/sql-query-formatter/https://xolancer.com/tools/sql-query-formatter/Format, beautify, and validate SQL queries. Highlight keywords, fix indentation, and clean up messy SQL code.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/url-slug-generator/https://xolancer.com/tools/url-slug-generator/Convert any text into a clean, SEO-friendly URL slug. Automatically removes special characters, spaces, and accents.Sun, 31 May 2026 06:45:34 GMTseohttps://xolancer.com/tools/json-diff-checker/https://xolancer.com/tools/json-diff-checker/Compare two JSON objects and highlight the differences between them.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/cron-expression-generator/https://xolancer.com/tools/cron-expression-generator/Generate cron job schedules in human-readable format. Convert cron expressions to next run times.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/xml-formatter/https://xolancer.com/tools/xml-formatter/Format, beautify, and validate XML documents. Fix indentation, check syntax, and minify XML code.Sun, 31 May 2026 06:45:34 GMTdeveloperhttps://xolancer.com/tools/freelance-rate-calculator/https://xolancer.com/tools/freelance-rate-calculator/Calculate your ideal hourly/project rate based on your goals, expenses, and workload.Sun, 31 May 2026 06:45:34 GMTcalculatorhttps://xolancer.com/tools/fiverr-proposal-generator/https://xolancer.com/tools/fiverr-proposal-generator/Generate personalized Fiverr buyer offers with pricing tiers, timeline, and delivery details.Sun, 31 May 2026 06:45:34 GMTtexthttps://xolancer.com/tools/upwork-cover-letter-generator/https://xolancer.com/tools/upwork-cover-letter-generator/Generate personalized Upwork cover letters that pass ATS filters and grab client attention.Sun, 31 May 2026 06:45:34 GMTtexthttps://xolancer.com/tools/proposal-price-estimator/https://xolancer.com/tools/proposal-price-estimator/Estimate project pricing for freelance proposals based on scope, timeline, and client budget.Sun, 31 May 2026 06:45:34 GMTcalculator