Free tools
55 tools I wanted for my own work. Most run right in your browser, so nothing you type or upload leaves your device.
Everyday
Small jobs that come up every week — a QR code for a poster, a strong password, a unit you cannot remember, a countdown for a workout.
- QR code generatorLinks, Wi-Fi, contacts and events. Your colors, your logo, PNG or SVG.
- Wi-Fi QR codeGuests scan the code and join your Wi-Fi without typing the password.
- Password generatorStrong random passwords with a clear strength score.
- Unit converterLength, weight, temperature, volume, speed, area and data sizes.
- Date calculatorYour exact age, days between two dates, or a date plus some days.
- Random picker wheelSpin a wheel to pick a winner, a name or what to eat tonight.
- Timer and stopwatchCountdown timer, stopwatch with laps and a Pomodoro timer.
Images and design
Prepare photos and graphics for the web: cut out backgrounds, shrink files, convert formats and pick colors that work.
- Background removerCut people and products out of photos and get a transparent PNG.
- Image compressorShrink photos and convert them to WebP, JPEG or PNG.
- Image converterConvert between PNG, JPG and WebP, and turn SVG into PNG.
- HEIC to JPGTurn iPhone photos into JPGs that open everywhere.
- Image resizerResize and crop to exact sizes for Instagram, YouTube, Facebook and more.
- Color palette from imagePull the main colors out of any photo, with HEX and RGB codes.
- Contrast checkerCheck whether text is readable on its background (WCAG AA and AAA).
- CSS gradient generatorBuild linear and radial gradients and copy the CSS.
- Box shadow generatorDesign soft or layered shadows visually and copy the CSS.
- Font pairing previewTry heading and body font combinations from Google Fonts on real text.
- Favicon generatorMake every favicon size, an ICO file and the HTML to add them.
- Social image generatorCreate 1200×630 preview images for links on Facebook, X and LinkedIn.
Merge, split, compress and convert PDFs without uploading confidential documents to a random website.
Text
Count, clean, compare and reformat text — the jobs that are trivial by hand until the text is ten thousand words long.
- Word counterWords, characters, reading time and the words you repeat most.
- Case converterUPPERCASE, lowercase, Title Case, Sentence case, camelCase and more.
- Lorem ipsum generatorPlaceholder paragraphs, sentences or words for mockups.
- Remove duplicate linesClean up lists: remove repeats, empty lines and sort alphabetically.
- Text compareSee exactly what changed between two versions of a text.
- Ukrainian transliterationUkrainian to Latin letters using the official passport rules.
SEO and marketing
Write titles and descriptions that survive Google, generate structured data and redirects, and tag every campaign link.
- Meta tag generatorTitle, description and social tags, with Google and Facebook previews.
- Google snippet previewSee if your title and description get cut off in search results.
- Schema markup generatorJSON-LD for FAQ, articles, products, local businesses and breadcrumbs.
- Robots.txt generatorTell search engines and AI crawlers what they may visit.
- .htaccess redirect generator301 redirects, HTTPS and www rules for Apache servers.
- Slug generatorClean, readable URL slugs from any title, including Cyrillic.
- Keyword density checkerWhich words and phrases a text leans on, and how often.
- UTM link builderTag campaign links so you can see where visitors come from.
Website checks
Find out whether a site is really down, why an email never arrived, where a redirect leads and what a certificate actually covers.
- Is the website down?Check if a site is down for everyone or just for you.
- SSL checkerWho issued the certificate, which names it covers and when it expires.
- DNS lookupA, MX, TXT, NS records plus SPF, DMARC and DKIM checks.
- WHOIS lookupRegistrar, registration and expiry dates of a domain.
- Redirect checkerFollow every 301 and 302 hop to the final page.
- HTTP headers checkerResponse headers and a security header score.
- Page speed testGoogle Lighthouse scores, Core Web Vitals and what to fix first.
- Broken link checkerFind links on a page that lead to errors or redirects.
- What is my IPYour public IP address, country and browser details.
Developers
Format JSON, decode a token, test a regex, read a cron line — the small checks that interrupt real work.
- JSON formatterFormat, validate and minify JSON, with the exact error position.
- Base64 encoderEncode and decode Base64 text, or turn a file into a data URI.
- URL encoderEncode and decode URL components and break a URL into parts.
- JWT decoderRead the header and payload of a JSON Web Token and its expiry.
- Regex testerTest regular expressions with live highlighting and groups.
- Cron expression helperExplains a cron schedule in plain English and shows the next runs.
- Hash generatorMD5, SHA-1, SHA-256 and SHA-512 of text or files.
- UUID generatorRandom v4 or time-ordered v7 UUIDs, one or a thousand at once.
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