Free online tools
29 tools with no sign-up and no ads in your way. Calculations and file work happen in your browser; nothing you enter is sent to a server.
Most used
What Is My IP Address?See your public IP address, internet provider and approximate location.Internet Speed TestMeasure download and upload speed, ping and jitter.Merge PDFCombine several PDFs into one file in the order you choose; nothing is uploaded.QR Code GeneratorFree QR codes for links, Wi-Fi, text, phone and SMS; download as PNG.
Money & calculators
Loans, percentages, tips and splits
Internet & security
Website safety, speed, IP, DNS and passwords
Is This Website Safe?Check a site's HTTPS, SSL certificate, domain age and email security in one click.Internet Speed TestMeasure download and upload speed, ping and jitter.What Is My IP Address?See your public IP address, internet provider and approximate location.DNS LookupCheck A, AAAA, MX, TXT, NS, CNAME and CAA records instantly.Strong Password GeneratorGenerate strong random passwords and passphrases with an entropy estimate.
Files, images & text
PDF, images, QR codes and word counts
Merge PDFCombine several PDFs into one file in the order you choose; nothing is uploaded.Image Compressor & ResizerShrink photos with minimal quality loss and convert to JPEG or WebP.QR Code GeneratorFree QR codes for links, Wi-Fi, text, phone and SMS; download as PNG.Word & Character CounterCount words, characters, sentences and reading time as you type.
Everyday
Dates, time zones, units and focus
Time Zone ConverterSee one time across cities worldwide at once and plan meetings across time zones.Unit ConverterConvert length, weight, volume, speed, area and temperature units instantly.Days Between Dates & CountdownCount the days, weeks and months between two dates, with a live countdown.Age CalculatorExact age in years, months and days, plus days to your next birthday.BMI CalculatorCalculate body mass index from height and weight with the WHO category.Random Name Picker, Dice & Coin FlipPick a random name from a list, roll dice, flip a coin or generate a random number.Pomodoro TimerFocus for 25 minutes, rest for 5: a pomodoro timer with sound alerts.
Developer
JSON, Base64, JWT, regex, hash and UUID
JSON Formatter & ValidatorFormat, minify and validate JSON with clear error messages.Base64 Encoder & DecoderEncode text to Base64 or decode it back, with full UTF-8 support.URL Encoder, Decoder & ParserEncode or decode URLs and split them into protocol, host, path and query parameters.UUID / GUID GeneratorGenerate random UUID v4 (GUID) values, up to 100 at a time.Hash Generator (SHA-256, SHA-512)Compute SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text instantly.JWT DecoderDecode a JWT's header and payload and see when it expires.Unix Timestamp ConverterConvert Unix timestamps to dates and dates to timestamps, in seconds or milliseconds.Color Converter (HEX, RGB, HSL)Convert between HEX, RGB and HSL and check text contrast ratios.Regex TesterTest a regular expression against text; matches and groups are highlighted live.Case Converter & Slug GeneratorConvert text to UPPER, lower, Title, camelCase, snake_case, kebab-case and URL slugs.
No matches. Try a shorter word, or look at the games below.
More tools for Türkiye (salary, severance pay, VAT, IBAN) are on the Turkish tools page.
Games and quick tests
Short, sign-up-free games for reflexes, memory and focus. Take a break and beat your score.
Daily PuzzleA new code every day; crack it in 6 guesses and keep your streak.Logic and Pattern Test20 questions: shape matrices, number sequences and analogies.Brain ProfileAll your test scores in one chart; see your strengths.Reaction Time TestTap the moment the screen turns green; measure your average over 5 tries.Typing Speed TestType the sentence as fast and accurately as you can; get your WPM and accuracy.Memory Game (Match the Cards)Flip 16 cards and find the pairs in as few moves and as little time as possible.Bubble Wrap (Stress Relief)Endless bubble wrap: tap, pop, relax. With sound and vibration.Breathing Exercise (4-7-8 and Box Breathing)Breathe in and out with the circle on screen and calm down in a minute.Stroop Color TestPick the ink colour, not the word; how many can you get right in 30 seconds?Number Memory TestMemorise the number that flashes on screen and type it; one more digit each round.