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CSV to JSON Convert CSV data to JSON format and copy the result.

cURL Converter Use this cURL converter to turn API cURL commands into readable JavaScript fetch examples.

JSON to CSV Convert JSON to CSV and prepare spreadsheet-ready output from object arrays.

JSON to TOON Use a JSON to TOON converter to turn structured JSON into compact TOON text for prompts.

JSON to YAML Convert JSON data or configuration snippets into YAML format with a JSON to YAML converter.

Markdown Table Generator Generate Markdown tables online from Excel, CSV, or pasted spreadsheet data with delimiter and alignment options.

SQL Formatter Use an online SQL formatter to clean up queries for easier reading and review.

YAML to JSON Convert YAML to JSON format online for configs, examples, and API data.

Case Converter Convert case online for uppercase, lowercase, title case, sentence case, and developer-friendly identifier formats.

Markdown Preview Preview Markdown online and review the rendered HTML as you edit.

Remove Duplicate Lines Remove duplicate lines from text, lists, CSV values, and logs with trim and sort options.

Hidden Space Remover Clean hidden spaces, zero-width characters, bidi controls, and invisible Unicode marks from copied AI output or web text directly in your browser.

Word Counter Paste text to count words, characters, lines, sentences, paragraphs, and bytes in real time.

AI Slug Use AI to turn non-Latin titles into English URL slug candidates for posts, pages, and multilingual content drafts.

Hreflang Generator Enter language codes and URLs to generate hreflang tags, alternate links, x-default, and canonical tag sets.

JSON-LD Generator Generate JSON-LD structured data and schema markup for SEO pages, then copy the application/ld+json output.

Meta Tag Generator Build HTML meta tags for SEO snippets, meta descriptions, Open Graph previews, and social sharing cards.

Robots.txt Generator Generate robots.txt crawling rules with User-agent directives, allow/disallow paths, and sitemap URLs.

Sitemap Generator Convert a URL list into an XML sitemap.xml file with this sitemap generator.

Slug Generator Use a slug generator or slug maker to convert text and titles into URL-friendly slugs.

UTM Builder Build UTM tracking URLs by combining source, medium, campaign, term, and content parameters.

Base64 Decoder Use this Base64 decoder to turn encoded strings into readable text directly in your browser.

Base64 Encoder Encode text and Unicode characters into a Base64 string in your browser.

Binary to Text Decode binary to text or encode text into binary code with a simple two-way converter.

Hex to Text Convert hexadecimal strings and hex code back to readable text instantly.

HTML Entity Encoder/Decoder Use an HTML entity converter to encode, decode, and read entity text in your browser.

JWT Debugger Paste a JWT to inspect its header, payload, claims, and expiration details without sending it to a server.

Punycode Converter Encode Unicode domains to Punycode (ASCII) or decode xn-- domains back to Unicode labels.

String Escape / Unescape Use this string escaper to escape or unescape text with common JSON and code characters such as \n, \t, \", and \\.

Text to Binary Convert words, English text, and Unicode strings to spaced 8-bit binary code in your browser.

Text to Hex Convert text to hexadecimal code online and inspect UTF-8 byte values instantly.

URL Decoder Decode encoded URL strings and link values back to their original form.

URL Encoder Encode URLs and query parameter values, or decode percent-encoded strings back to readable text.

URL Parser Parse URL strings into protocol, host, path, query parameter, and hash components.

Cron Generator Use a visual cron generator and cron expression builder to create repeat schedules you can copy.

Diff Viewer Use a text diff viewer to compare two texts and visualize differences.

Keycode Info Use an online keycode viewer to inspect key, code, keyCode, and keyboard event details.

Lorem Ipsum Generator Create English lorem ipsum or Korean dummy text for design mockups, layouts, and placeholder content.

Random Data Generator Generate random sample data for testing in JSON, CSV, or SQL.

Regex Tester Run a regex test online with live match highlights, match counts, indexes, and JSON results.

Unix Timestamp Converter Convert between Unix timestamp and date/time, including seconds, milliseconds, UTC, and local time.

User Agent Info View useragent info, browser details, OS, and device data from a Mozilla-style User Agent string.

UUID Generator Generate random UUID v4 values online and copy them in the format you need.

Barcode Generator Generate barcodes online from product codes or label values and download them as PNG files.

Box Shadow Generator Create CSS box-shadow values with a live visual box shadow generator.

Color Picker Pick colors and convert HEX, RGB, and HSL values for CSS code, design tokens, and palette checks.

CSS Minifier Minify and compress CSS code in your browser to prepare smaller stylesheet output.

Gradient Generator Build CSS gradients visually and copy linear-gradient code for backgrounds, buttons, and UI accents.

JS Minifier Minify JS online by reducing comments and whitespace in JavaScript code and functions.

QR Code Generator Generate QR codes from URLs or text and download the image for sharing, signs, or documents.

QR Code Reader Use this QR code reader to scan QR images or camera input and decode text or URLs.

Base64 to Image Convert Base64 to image, decode data URI strings, and preview the result without uploading files.

Favicon Generator Upload an image or logo to generate PNG favicon sizes, favicon.ico, and Apple Touch Icon candidates.

Image Compressor Reduce image file size with browser-side compression and compare quality before downloading.

Image to Base64 Convert image to Base64 online, generate a data URI, and copy the encoded string without uploading files.

OG Image Generator Create OG image, Open Graph image, and social sharing card designs on a 1200x630 canvas.

SVG Optimizer Optimize and minify SVG code, then review the cleaned result.

Chmod Calculator Calculate chmod permission values and convert between numeric mode such as 755 and symbolic mode such as rwxr-xr-x.

CIDR Calculator Use the CIDR calculator to convert an IP address and prefix into the network range, subnet mask, and usable host count.

Htpasswd Generator Generate one htpasswd line for a .htpasswd Basic Auth file from a username and password.

MD5 Generator Convert text into an MD5 hash locally in your browser for checksums and legacy verification.

My IP Address Check my IP address and network information observed by the server for the current request.

Password Generator Generate strong random passwords with adjustable length and character options.

SHA Generator Convert text to SHA hashes with a browser-based SHA converter for SHA-256 and SHA-512 values.

Age Calculator Use an age calculator for today to convert a date of birth into years, months, days, and total days lived.

Date Difference Calculate days between dates and review the date range as days, weeks, and years-months-days.

Unit Converter Enter one value to convert units across length, weight, area, temperature, volume, and time instantly.

Week Number Calculator Check this week number or calculate the week number for any date with ISO and Sunday-start ranges.