UTILGO

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Favorites and recent tool names stay in this browser only. Your files and results are not saved in this workspace.

Favorites

Recently used

Install app

If supported, use Install. On Android and desktop, look for Install app in the browser menu. On iPhone/iPad, use Safari → Share → Add to Home Screen. Menu names can vary by browser.

Web Tools

Generate QR codes, check links and build small web utilities. Everything runs in the browser, no signup needed.

All tools are free to use. File size and processing limits may vary by tool.

QR Code Generator

Generate a QR code from a link or text. Add a logo, colours, dot patterns and a frame; download a static QR as PNG or SVG and test it with your phone.

How to use QR Code Generator Enter text, a website, email or phone number. Choose module and corner styles, colors and a frame; optionally add a PNG, JPEG or WebP logo.

QR Code Reader

Decode a QR code in an image to see its text or link. Read a photo or screenshot in your browser and inspect the address before opening it.

How to read? Pick a photo or screenshot of the QR code and run it. If the code is blurry, try a sharper shot; dim the brightness on glaring screens. Copy

Password Generator

Generate random passwords for new accounts. Adjust password options to your needs; generated passwords are not sent to the server for processing.

How to use Password Generator Passwords and hashes are generated only in your browser and are not sent to our server. For the default WordPress 6.8+ user_pass format, wit

Barcode Generator

Create EAN-13, CODE 39 or CODE 128 barcodes. Practical for product labels and shelf pricing. Everything runs in this browser, the value is never stored.

How to use Pick a barcode type, type the value and run; an SVG downloads. Useful for packaging and shelf labels. EAN-13 needs 12 or 13 digits and the t

DNS Lookup

Look up A, AAAA, MX, TXT and other public DNS records.

How to use Look up A, AAAA, MX, TXT and other public DNS records. Choose your input, adjust the options and start processing.

IP Lookup

Read public IP allocation and registration data through RDAP. This is not precise geolocation.

How to use Your connection’s public IP and estimated country appear automatically. Copy the address or request network name, registered organization an

WHOIS / RDAP

Check public domain registration data. Private owner information may be redacted.

How to use Check public domain registration data. Private owner information may be redacted. Choose your input, adjust the options and start processing

SSL Checker

Verify a public domain certificate and see its expiry date.

How to use Verify a public domain certificate and see its expiry date. Choose your input, adjust the options and start processing.

HTTP Header Checker

Inspect the first HTTP response headers without following redirects.

How to use Inspect the first HTTP response headers without following redirects. Choose your input, adjust the options and start processing.

UTM link builder

UTM link builder. Generate and review the result before publishing it on your website..

How to use Enter the full destination URL and check that the page opens. Use the public page rather than an admin address or an untested short link. Ch

Structured data generator

Structured data generator. Generate and review the result before publishing it on your website..

How to use Choose the type that describes the page: Organization for an organization, Product for a real product page, or Article for an article. Do no

Redirect chain checker

Redirect chain checker. Public HTTP/HTTPS websites only, standard ports, maximum six requests.

How to use Public HTTP/HTTPS websites only, standard ports, maximum six requests. This is a point-in-time check; social platforms may cache a different

Social sharing preview

Social sharing preview. Public HTTP/HTTPS websites only, standard ports, maximum six requests.

How to use Public HTTP/HTTPS websites only, standard ports, maximum six requests. This is a point-in-time check; social platforms may cache a different

Email Signature Generator

Create a free HTML email signature with your name, role and contact details. Choose a template, preview and copy.

How to use Enter your name, role, email and phone. Select a template and color, then build the preview. A consulting signature, for example, may only n

Wi-Fi QR code generator

Turn a Wi-Fi network name and password into a QR code. Pick the security type (WPA, WEP, open). Everything runs in this browser, the password never reaches a server.

How to use Type the network name, password and security type, then run; print the code and stick it on the guest card. Handing out a separate guest net

Contact vCard QR generator

Turn your contact details into a vCard and then a QR code. Name, phone, email, website and address fields are supported. Everything runs in this browser, no personal data is stored.

How to use Fill the fields and run; point a phone camera at the code. Useful on business cards and lobby boards. Scan the generated code once to confir

What Is My IP Address?

Find your public IPv4 or IPv6 address. Check the estimated country and network registration details; a VPN or proxy can change the IP address websites see.

How to check your IP Your connection’s public IP and estimated country appear automatically. Copy the address or request network name, registered organization an

IBAN Validator

Check an IBAN’s country, length and check digits. Match bank codes for Turkish IBANs; the result does not verify the account holder or whether the account is active.

How to validate? Type the IBAN with or without spaces; the tool strips them. The country code comes first: if it is not one of the 78 countries in the IBAN r

Turkish ID Format Check

Verify the algorithmic validity of a Turkish ID number. Not an official lookup.

How is it checked? Enter the 11-digit number; the tool verifies the first digit is non-zero and the check-digit algorithm for digits 10 and 11. Not an official

Password Breach Check

Check safely whether your password appears in known breaches.

How to check safely? Type your password; its SHA-1 hash is computed and only the first 5 characters are sent to the server. If a match is found, change it everyw

Temporary Short Link

Turn long URLs into short links valid up to 48 hours.

How to get one? Paste the link, pick a duration, pass verification, and create. The destination always shows in preview.

Email Auth Check

Audit a domain for SPF, DKIM, DMARC and DNSSEC records. Leave the DKIM selector empty and common selectors are tried. The lookup runs on the server and returns a JSON report.

How to check? Type the domain, add a DKIM selector or leave it blank, and run. Fix the missing record and retry; keep both records during mail migration.

Website Screenshot

Create a desktop, mobile or full-page preview from a public web address. Download the website screenshot as PNG/JPG; pages requiring sign-in are not supported.

Create screenshot Enter an address, choose a view and download the image. Use it for design comparisons, presentations and page snapshots. Free. Public pages

Lottery Number Generator

Generate random lottery numbers. Set how many numbers, the range and bonus numbers. Presets for popular lotteries or fully custom.

How to use? Set the number count and range, choose how many tickets and generate. Seeded mode reproduces the same numbers from the same seed. Copy or do

Color Contrast Checker

Calculate the WCAG contrast ratio of two colors for free; check AA and AAA text thresholds with a preview.

How to use Choose two colors or enter HEX codes. Swap them to try the reverse theme. The black/white option selects whichever of those two provides hig

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