25 curated tools for web developers and programmers - JSON, regex, hashing, image, PDF and SEO tools. All free.
Format, validate, minify and explore JSON with interactive tree view, key/value stats and error highlighting.
Open ToolValidate JSON instantly - see type, key count, depth and size. Clear error messages for invalid syntax.
Open ToolEncode and decode Base64 text (with Unicode support) and files. URL-safe mode and image preview included.
Open ToolGenerate MD5, SHA-1, SHA-256 and SHA-512 hashes for text or files. Hash verification and comparison included.
Open ToolGenerate RFC 4122 v4 UUIDs - bulk generation up to 1000, multiple format options including URN and braces.
Open ToolTest regular expressions with live match highlighting, capture groups, flag toggles and a built-in pattern library.
Open ToolCompare two texts side-by-side with line-level diff highlighting - additions in green, deletions in red.
Open ToolEncode and decode URLs using encodeURIComponent or encodeURI - with quick examples and character reference.
Open ToolEncode and decode HTML entities - convert special characters to &, <, > and numeric codes.
Open ToolPick colours and get HEX, RGB, HSL, CMYK values. Tints, shades, and harmony colour palettes with WCAG contrast.
Open ToolCreate linear, radial and conic CSS gradients with custom colour stops. Copy CSS or download as PNG.
Open ToolGenerate QR codes for URLs, text, vCard contacts, WiFi credentials and UPI payments with custom colours.
Open ToolGenerate barcodes in CODE128, EAN13, UPC, CODE39 and more formats. Download as SVG or PNG.
Open ToolGenerate all essential HTML meta tags - title, description, robots, canonical, Open Graph and Twitter Card.
Open ToolPreview how your page link will look when shared on Facebook, LinkedIn and Twitter/X with mockup cards.
Open ToolGenerate a robots.txt file with presets for WordPress, e-commerce, allow-all and block-all configurations.
Open ToolEnter your page URLs and generate a valid sitemap.xml with priority, changefreq and lastmod settings.
Open ToolGenerate Apache .htaccess rules for HTTPS redirect, security headers, Gzip, caching and hotlink protection.
Open ToolReduce JPEG, PNG and WebP image file size with adjustable quality. Side-by-side before/after comparison.
Open ToolResize images by pixels or percentage - with aspect ratio lock, common presets and format selection.
Open ToolConvert images between JPEG, PNG, WebP and BMP formats in your browser - private and instant.
Open ToolCombine multiple PDF files into one - reorder files with ↑↓ buttons, see page counts, download instantly.
Open ToolExtract pages by range (1-3, 5, 7-9), split every N pages, or extract a single page - download as PDF or ZIP.
Open ToolQuery live DNS records - A, AAAA, MX, NS, TXT, CNAME, SOA, SRV and CAA records for any domain.
Open ToolCheck domain registration details, registrar, expiry date, nameservers and the full raw WHOIS record.
Open ToolGST calculator, invoice generator, TDS, income tax, salary and compliance tools for Indian accountants.
BrowseBMI, BMR, calorie, body fat, pregnancy, ovulation and other clinical calculators for healthcare professionals.
BrowseArea converters, stamp duty, home loan EMI, Vastu compliance and land-unit converters for property professionals.
BrowseNumerology charts, compatibility, gemstone finder, Vastu and festival date tools for practising astrologers.
BrowseColor picker, gradient generator, border-radius, box-shadow, SVG blob, glassmorphism, CSS grid, font pairing, image tools and more for designers.
BrowseStudy timer, timetable, GPA planner, attendance, rank predictor, MCQ generator, notes formatter and more for students.
BrowseMCQ generator, question paper builder, grade calculator, marksheet, attendance sheet, lesson planner, rubric and timetable tools for educators.
BrowseHashtag generator, caption generator, YouTube title, script timer, word counter, readability checker, image tools and more for influencers and YouTubers.
BrowseInventory calculator, expense tracker, budget planner, UPI QR, invoice generator, GST calculator, payroll and profit margin tools for shop owners and SMEs.
BrowseSIP, FD, PPF, NPS, capital gains, CAGR, mutual fund, gold rate, inflation and retirement calculators for traders and investors.
BrowseBudget planner, countdown timer, currency converter, city distance, QR code, invoice, date calculator and image tools for event planners.
BrowseCurrency converter, world clock, city distance, dial codes, unit converters, age calculator, gold rate and QR generator for travel agents.
BrowseLimitation period calculator, court fee estimator, legal notice generator, NDA, privacy policy, GSTIN/PAN validator and financial tools for Indian lawyers.
BrowseOhm's Law, electrical load and MCB sizing, concrete mix design, beam deflection, wire gauge, unit converters and financial tools for civil and electrical engineers.
BrowseModern software development depends on a suite of utility tools that handle data transformation, encoding, hashing, and formatting tasks. From formatting a JSON payload returned by an API to generating a UUID for a database record, these micro-tasks consume significant developer time when done manually or with scattered bookmarked sites. This collection brings the most-used developer utilities into one fast, privacy-safe, browser-based hub.
Base64 encoding was standardised in RFC 4648 and is used in JWT tokens, email attachments, and data URLs. MD5 and SHA hashing, defined in RFC 1321 and FIPS 180-4 respectively, are used for checksums and password hashing. UUIDs (RFC 4122) are the standard for generating unique identifiers without a central authority - widely used in distributed systems and microservices architectures. JSON formatters and diff tools help teams debug API integrations and compare configuration files during deployments.
India had approximately 5.8 million software developers in 2023, making it one of the largest developer populations globally. Cities like Bengaluru, Hyderabad, Pune, and Chennai host major engineering centres for global technology companies. Indian developers contributing to open-source projects, building fintech apps for UPI, or developing e-governance platforms all rely on these fundamental tools daily. All tools on this page run entirely in the browser - no data leaves your machine.