Free Online Web Tools
Find and use practical web tools for everyday tasks. Browse the collection or use the search bar to quickly find a utility for your needs. Whether you're working with URLs, text, data, or other common web tasks, these tools are designed to make your workflow simpler and faster.
Looking for more specialized resources? Explore AntiDetect Hub for anti-detect browsers, DIEG for IT research and reviews, or DIEG Finder to compare VPS hosting providers.
We haven't found any tool named like that.
Free online color picker tool to extract accurate HEX, RGB and HSL codes from any image. Upload or paste a picture, generate palettes completely in your browser privately.
Compress JPG, PNG and WebP images right in your browser and remove EXIF and GPS metadata. Nothing is uploaded, your files stay on your device.
Encode text to Base64 or decode Base64 back to text online, instantly in your browser. UTF-8 and URL-safe Base64 supported.
Convert colors between HEX, RGB, HSL and HSV, check text contrast, and browse an HTML color chart with HEX codes and names in Russian and English.
Check the HTTP status code and response headers of any URL and follow the whole redirect chain (301, 302, 307, 308) step by step, with server IP and timings.
Free UTM link generator and campaign URL builder: add utm_source, utm_medium, utm_campaign, utm_id, utm_content and utm_term to any link, with ready presets and macros for Google Ads, Microsoft Ads, Meta, TikTok, Yandex Direct and VK Ads.
Free WebP converter: convert JPG, PNG, GIF, BMP and ICO images to WebP online in your browser with the official libwebp encoder. Lossy, lossless and near-lossless, batch conversion, ZIP download, no upload.
Free WebP to JPG converter: convert WebP images to JPG, PNG or PDF online in your browser. Batch conversion, ZIP download, multi-page PDF, transparency and background color, no upload.
Free AVIF to JPG converter: convert AVIF images to JPG, PNG or PDF online in your browser. Batch conversion, ZIP download, multi-page PDF, transparency and background color, no upload.
Free Wayback Machine checker: see when a website or page was first and last archived, how many captures exist by month, HTTP status history and the latest snapshots. A replacement for the discontinued Google cache checker.
Free domain history and expired domain checker: registration date and age, registrar and statuses from RDAP, Wayback Machine history and signs that the domain was dropped and registered again.
Free online hash generator: MD5, SHA-1, SHA-256, SHA-384 and SHA-512 of a text or a file up to 2 GB, HMAC, checksum comparison and SRI values. Calculated in your browser, nothing is uploaded.
Free online audio converter: convert WAV, M4A, MP3, OGG, FLAC and video sound to MP3 or WAV in your browser. Real MP3 up to 320 kbps, batch conversion and ZIP download. Nothing is uploaded.
Convert TAR.GZ, TGZ, TAR and GZ to ZIP, or ZIP to TAR and TAR.GZ, online. Works in your browser, your files are never uploaded.
Convert HTML to Markdown online for Hugo, Astro, Grav and others. Paste a page or formatted text, optional front matter. Works in your browser, nothing is uploaded.
Binary converter online: binary to decimal, hex and text and back, any size, with bit widths and two's complement. Also float to binary. Works in your browser.
Hex converter online: hexadecimal to decimal, binary and text and back, any size, plus float to hex (IEEE 754, 32 and 64 bit). Works in your browser.
Decimal converter online: decimal to binary, hex and octal and back, any size, with bit widths and two's complement, and text to decimal codes. Works in your browser.
ASCII converter online: text to ASCII codes in decimal, hex, binary or octal and back, with the full ASCII table. Works in your browser.
Bulk UTM builder: add UTM parameters to many links at once. Paste addresses or import a CSV, set source, medium and campaign, copy the tagged links or download a CSV. Works in your browser.
Character counter and word counter online: characters with and without spaces, words, lines, sentences, pages, bytes, reading time, the numbers in a text with their sum, and a check against post limits.
Fast and free URL parsing tool by DIEG. Extract host, protocol, path, and query parameters instantly. Essential DevTool for webmasters and SEO experts.
Quickly transform your text formatting. Instantly switch between lower, upper, camel, Kebab, dash and snake case with the DIEG Case Converter. Free online tool.
Slug generator online: turn a title into a clean URL slug. Cyrillic and accented letters are written in Latin, with stop words, a length limit and a list of titles at once.
Number to words converter online: write any number or amount of money in words in English, Ukrainian, Russian or Portuguese, with ordinals, and turn words back to digits.
Morse code translator online: text to Morse and Morse to text as you type, Latin and Russian letters, sound with speed and pitch, a blinking lamp, WAV download and a table of codes.
HTML and CSS minifier online: remove comments, spaces and line breaks, and see how many bytes you save. Safe for strings, URLs and pre blocks. In your browser.
Sort lines A-Z, Z-A or by number, reverse text, shuffle a list, pick random lines, remove duplicates, and make lists from file names. In your browser.
Cron expression generator and parser online: build a crontab schedule, read it in words, see the next run times, and get the Quartz and Spring form.
Password generator in your browser: random, in the style of Chrome, or easy to type on a phone, and a password checker. Nothing is sent.
Extract all URLs and e-mail addresses from text, HTML, Markdown or a file. Remove duplicates, sort, list domains, leave out your own site. Free, in your browser, no upload.
URL decoder and encoder online: decode %20 and %XX codes to text, or encode text for a URL (value, whole URL, form data). UTF-8 and Windows-1251. In your browser.
Encode PNG, JPG, GIF, WebP and SVG to Base64 or a data:image URI for img src and CSS, and decode Base64 to an image. Free, in your browser, no upload.
Unix timestamp converter online: timestamp to date and date to timestamp, seconds or milliseconds, any time zone, the current Unix timestamp and code examples. Works in your browser.
Validate JSON against a JSON Schema online: Draft-04, Draft-07, 2019-09 and 2020-12. Every error with its path, line and column and a plain explanation. Works in your browser, nothing is uploaded.
Copy and paste emojis for Telegram, Facebook and Instagram: search, skin tones, a filter for emoji old phones cannot show, and a counter with post limits.
Copy and paste kaomoji and text faces: happy, sad, love, shrug ¯\_(ツ)_/¯, table flip and more. One click to copy, works in Telegram, Facebook and Discord.
Emoji translator online: turn English words into emojis or put an emoji after each word, and turn emojis back into their names. Free, in your browser.
Fancy text generator: turn your text into cursive, Old English, bold, bubble, upside down and 20 more styles. Copy and paste anywhere. In your browser.
Remove emojis from text in one click, and hidden characters, fancy letters and extra spaces too. For posts from Telegram and Facebook. Free, in your browser.
Free domain history and expired domain checker: registration date and age, registrar and statuses from RDAP, Wayback Machine history and signs that the domain was dropped and registered again.
Free Wayback Machine checker: see when a website or page was first and last archived, how many captures exist by month, HTTP status history and the latest snapshots. A replacement for the discontinued Google cache checker.
Free whois lookup: registrar, creation and expiry dates, status, DNSSEC and nameservers of a domain, or the network of an IP address. Uses RDAP and WHOIS.
Free DNS lookup online: check A, AAAA, CNAME, MX, NS, TXT, SOA and CAA records of any domain, plus its SSL certificate. Find out why a DNS lookup fails.
Check the HTTP status code and response headers of any URL and follow the whole redirect chain (301, 302, 307, 308) step by step, with server IP and timings.
Check who hosts a website: the IP address, the hosting company (ASN), the country and the city of the server. Free hosting checker for any domain.
Free DNS lookup online: check A, AAAA, CNAME, MX, NS, TXT, SOA and CAA records of any domain, plus its SSL certificate. Find out why a DNS lookup fails.
Free IP lookup: find the country, city, coordinates and timezone of an IP address and its host name with a reverse IP (reverse DNS) lookup. IPv4 and IPv6.
Free whois lookup: registrar, creation and expiry dates, status, DNSSEC and nameservers of a domain, or the network of an IP address. Uses RDAP and WHOIS.
Check from the United States (New York) whether a website is online: HTTP status code and response time in milliseconds. A free US ping test for any URL.
Check the HTTP status code and response headers of any URL and follow the whole redirect chain (301, 302, 307, 308) step by step, with server IP and timings.
Check a URL against Google Safe Browsing, the list behind the warnings of Chrome, Firefox and Safari: malware, phishing and unwanted software. Free, no sign-up.
Free Wayback Machine checker: see when a website or page was first and last archived, how many captures exist by month, HTTP status history and the latest snapshots. A replacement for the discontinued Google cache checker.
Read all meta tags of a page and check its hreflang: codes, self-reference, return links, x-default, status of alternate pages. With an hreflang tag generator.
Free TTFB checker: measure the time to first byte of any website with DNS, connect, TLS and server wait times, from 1 to 5 runs and a median result.
Extract all URLs and e-mail addresses from text, HTML, Markdown or a file. Remove duplicates, sort, list domains, leave out your own site. Free, in your browser, no upload.
Quickly transform your text formatting. Instantly switch between lower, upper, camel, Kebab, dash and snake case with the DIEG Case Converter. Free online tool.
Character counter and word counter online: characters with and without spaces, words, lines, sentences, pages, bytes, reading time, the numbers in a text with their sum, and a check against post limits.
Sort lines A-Z, Z-A or by number, reverse text, shuffle a list, pick random lines, remove duplicates, and make lists from file names. In your browser.
Encode text to Base64 or decode Base64 back to text online, instantly in your browser. UTF-8 and URL-safe Base64 supported.
Encode PNG, JPG, GIF, WebP and SVG to Base64 or a data:image URI for img src and CSS, and decode Base64 to an image. Free, in your browser, no upload.
URL decoder and encoder online: decode %20 and %XX codes to text, or encode text for a URL (value, whole URL, form data). UTF-8 and Windows-1251. In your browser.
Convert colors between HEX, RGB, HSL and HSV, check text contrast, and browse an HTML color chart with HEX codes and names in Russian and English.
Binary converter online: binary to decimal, hex and text and back, any size, with bit widths and two's complement. Also float to binary. Works in your browser.
Hex converter online: hexadecimal to decimal, binary and text and back, any size, plus float to hex (IEEE 754, 32 and 64 bit). Works in your browser.
ASCII converter online: text to ASCII codes in decimal, hex, binary or octal and back, with the full ASCII table. Works in your browser.
Decimal converter online: decimal to binary, hex and octal and back, any size, with bit widths and two's complement, and text to decimal codes. Works in your browser.
Morse code translator online: text to Morse and Morse to text as you type, Latin and Russian letters, sound with speed and pitch, a blinking lamp, WAV download and a table of codes.
Number to words converter online: write any number or amount of money in words in English, Ukrainian, Russian or Portuguese, with ordinals, and turn words back to digits.
Free online audio converter: convert WAV, M4A, MP3, OGG, FLAC and video sound to MP3 or WAV in your browser. Real MP3 up to 320 kbps, batch conversion and ZIP download. Nothing is uploaded.
Free online WAV to MP3 converter: up to 320 kbps, many files at once, ZIP download. The conversion runs in your browser, nothing is uploaded.
Free online M4A to MP3 converter for iPhone voice memos and iTunes audio: many files at once, ZIP download. The conversion runs in your browser, nothing is uploaded.
Free online MP3 to WAV converter: 16-bit PCM WAV with the sample rate of the MP3, many files at once, ZIP download. The conversion runs in your browser, nothing is uploaded.
Convert TAR.GZ, TGZ, TAR and GZ to ZIP, or ZIP to TAR and TAR.GZ, online. Works in your browser, your files are never uploaded.
Easily convert IDN to Punnycode and back.
Free UTM link generator and campaign URL builder: add utm_source, utm_medium, utm_campaign, utm_id, utm_content and utm_term to any link, with ready presets and macros for Google Ads, Microsoft Ads, Meta, TikTok, Yandex Direct and VK Ads.
Bulk UTM builder: add UTM parameters to many links at once. Paste addresses or import a CSV, set source, medium and campaign, copy the tagged links or download a CSV. Works in your browser.
Free online signature generator: type your name, pick a handwritten style, watch it being written and download a transparent PNG. Or draw your own.
Slug generator online: turn a title into a clean URL slug. Cyrillic and accented letters are written in Latin, with stop words, a length limit and a list of titles at once.
Password generator in your browser: random, in the style of Chrome, or easy to type on a phone, and a password checker. Nothing is sent.
Free online UUID generator: random UUID v4, time-ordered UUID v7 and Minecraft offline UUID. Make up to 1000 at once, copy them, and everything works in your browser.
Free online hash generator: MD5, SHA-1, SHA-256, SHA-384 and SHA-512 of a text or a file up to 2 GB, HMAC, checksum comparison and SRI values. Calculated in your browser, nothing is uploaded.
Free online MD5 hash generator and checker: MD5 of a text or a file up to 2 GB, compare with a given checksum, check against common passwords. Calculated in your browser, nothing is uploaded.
Free online SHA-1 hash generator: SHA-1 of a text or a file up to 2 GB, compare with a given checksum. Calculated in your browser, nothing is uploaded.
Free online SHA-256 hash generator: SHA-256 and HMAC-SHA256 of a text or a file up to 2 GB, compare with a given checksum. Calculated in your browser, nothing is uploaded.
HTML and CSS minifier online: remove comments, spaces and line breaks, and see how many bytes you save. Safe for strings, URLs and pre blocks. In your browser.
Cron expression generator and parser online: build a crontab schedule, read it in words, see the next run times, and get the Quartz and Spring form.
Beautify, minify and validate JSON online. Open a file, see the exact line and column of a syntax error, download the result. Works in your browser, nothing is uploaded.
Validate JSON against a JSON Schema online: Draft-04, Draft-07, 2019-09 and 2020-12. Every error with its path, line and column and a plain explanation. Works in your browser, nothing is uploaded.
Free SQL formatter and beautifier online: format or minify SQL for MySQL, PostgreSQL, SQL Server, Oracle and more. Works in your browser, nothing is sent.
Convert Markdown to HTML online. Strict classic Markdown (CommonMark), live preview, optional front matter. Works in your browser, nothing is uploaded.
Convert HTML to Markdown online for Hugo, Astro, Grav and others. Paste a page or formatted text, optional front matter. Works in your browser, nothing is uploaded.
Remove all HTML tags from text online. Keeps line breaks, drops scripts and styles, decodes entities. Runs in your browser, nothing is uploaded.
Create a ready nginx.conf online: PHP, Node.js or Python, HTTPS, reverse proxy, caching, gzip and security headers. Free, runs in your browser.
See your User-Agent and Client Hints, check that they agree (header, JavaScript, platform, version) and parse any user agent string. Free online tool.
Fast and free URL parsing tool by DIEG. Extract host, protocol, path, and query parameters instantly. Essential DevTool for webmasters and SEO experts.
Compress JPG, PNG and WebP images right in your browser and remove EXIF and GPS metadata. Nothing is uploaded, your files stay on your device.
Free WebP converter: convert JPG, PNG, GIF, BMP and ICO images to WebP online in your browser with the official libwebp encoder. Lossy, lossless and near-lossless, batch conversion, ZIP download, no upload.
Free WebP to JPG converter: convert WebP images to JPG, PNG or PDF online in your browser. Batch conversion, ZIP download, multi-page PDF, transparency and background color, no upload.
Free AVIF to JPG converter: convert AVIF images to JPG, PNG or PDF online in your browser. Batch conversion, ZIP download, multi-page PDF, transparency and background color, no upload.
Free online PNG to JPG converter: adjustable quality, background color for transparent areas, many files at once, ZIP download. The conversion runs in your browser, nothing is uploaded.
Free online JPG to PNG converter: lossless PNG from JPG or JPEG, many files at once, ZIP download. The conversion runs in your browser, nothing is uploaded.
Free online PNG to ICO converter: favicon and Windows icons with sizes from 16 to 256 pixels in one file, transparency kept. The conversion runs in your browser, nothing is uploaded.
Free online JPG to ICO converter: favicon and Windows icons with sizes from 16 to 256 pixels in one file. The conversion runs in your browser, nothing is uploaded.
Free online BMP to JPG converter: JPG, PNG or PDF from BMP files, adjustable quality, many files at once, ZIP download. The conversion runs in your browser, nothing is uploaded.
Free online JPG to BMP converter: 24-bit BMP or 32-bit BMP with transparency from JPG, PNG, GIF and WebP, many files at once, ZIP download. The conversion runs in your browser, nothing is uploaded.
Unix timestamp converter online: timestamp to date and date to timestamp, seconds or milliseconds, any time zone, the current Unix timestamp and code examples. Works in your browser.
Free online QR code and barcode scanner: scan with your camera or from an image. Reads QR, EAN, UPC, Code 128, Data Matrix and more, right in your browser.