همه 351 ابزار
- Case ConverterText toolsPaste text and change it to UPPERCASE, lowercase, Sentence case, Title Case or Capitalized Case with one click, then copy it. Fix text typed with caps lock on, tidy headings or match a style guide in seconds.
- CD CalculatorCalculatorsEnter your deposit, the interest rate or APY, the term and how often interest compounds to see what a certificate of deposit (CD) will be worth at maturity, the interest you'll earn and the APY. Works for terms from 1 month to 20 years, with daily, monthly, quarterly, semiannual, yearly or at-maturity interest. An estimate, not financial advice.
- Change Audio SpeedAudio toolsSpeed up or slow down an MP3, voice note or song from 0.25× to 4× without the chipmunk effect: the pitch stays the same. Set the speed, choose a file and download the result.
- Change Audio VolumeAudio toolsMake an MP3 or any audio file louder, up to 500%, or turn it down to as little as 10%. Normalize evens out loudness so quiet and loud recordings match, and peaks are kept from clipping.
- Change PitchAudio toolsRaise or lower the pitch of a song or recording by up to 12 semitones while keeping its speed. Move a song into your singing range, match another track's key or shift a voice.
- Change Video SpeedVideo toolsSpeed up a video up to 4× or slow it down to 0.25× for slow motion, and download it as an MP4. The sound changes speed too but keeps its pitch, so voices don't turn squeaky or deep.
- Change Video VolumeVideo toolsMake a video louder (up to 300%), quieter, or remove the sound completely, and download it as an MP4. Boosted sound is limited so loud parts don't crackle, and for many MP4s the picture is kept exactly as it was.
- Character CounterText toolsCount characters with and without spaces as you type, and see how many you have left for X posts, text messages, meta descriptions, Instagram bios, LinkedIn, YouTube and your own limit. Also counts spaces, letters, lines and bytes.
- Chat with ClaudeText toolsChat with Claude Haiku 5.5, Anthropic's fast AI model, right on this page: ask questions, get up-to-date answers from the web with sources, and attach images, PDFs and text files. No separate subscription: each message is paid from your Pro credits and you see what every answer cost. Your chats sync across your devices.
- Chat with GeminiText toolsChat with Gemini 3.8 Flash, Google's fast AI model, right on this page: ask questions, get up-to-date answers from the web with sources, and attach images, PDFs and text files. No separate subscription: each message is paid from your Pro credits and you see what every answer cost. Your chats sync across your devices.
- Chat with GPTText toolsChat with GPT-6 Luna, OpenAI's fast AI model, right on this page: ask questions, get up-to-date answers from the web with sources, and attach images and text files. No separate subscription: each message is paid from your Pro credits and you see what every answer cost. Your chats sync across your devices.
- CheckersGamesPlay checkers, also called draughts, online against the computer at three levels or with a friend on the same device. Classic English rules on an 8×8 board: jump your opponent's pieces, crown kings and take every piece to win. Take back a move, and keep a won and lost record.
- ChessGamesPlay chess online against the computer at three levels, or against a friend on the same device. Full rules including castling, en passant and promotion, with a scoresheet of the moves, take back and no sign-up. Your game in progress is kept if you close the page.
- Chinese Zodiac CalculatorSpiritual & religiousEnter a date of birth to find the Chinese zodiac animal, element and place in the 60-year cycle. Choose whether the year starts at Chinese New Year or the start of spring, and see exactly which dates that year ran. Astrology is a tradition, not a science.
- Chore ChartEveryday appsPlan the chores in your home by room and how often they repeat, give each one to someone or let people take turns, and tick them off each day. A week grid shows who does what, each room shows how clean it is, and points add up to a fair weekly tally that people can spend on rewards you set, like picking the film or pocket money. Share the chart so everyone ticks off their jobs on their own phone.
- Code BreakerGamesPlay Bulls and Cows online: crack a secret code of 3, 4 or 5 different digits in ten guesses. Each guess scores bulls for right digits in the right place and cows for right digits in the wrong place. Or set a code and watch the computer crack it.
- Coin FlipGeneratorsFlip a coin for a quick decision, or flip up to 1,000 at once and see the heads and tails tally, the percentages and the longest streak. Every flip is random and fair, and a running total carries across tosses until you reset it.
- Collage MakerImage toolsMake a photo collage from 2 to 9 photos in your browser. Pick a ready-made layout, a square, portrait, story or landscape shape, then set the spacing, rounded corners and background colour. Save a full-size JPG, PNG or WebP; your photos stay on your device.
- Color Contrast CheckerColor toolsEnter a text colour and a background colour to get the WCAG contrast ratio and pass or fail results for AA and AAA, for normal text, large text and buttons or icons. If it fails, click the closest colour that passes.
- Color Name FinderColor toolsPaste a HEX, RGB or HSL code, or pick a colour, and see its closest CSS colour names, nearest first, with a plain description like "dark, vivid blue". Browse and filter all 148 named colours, and copy any name straight into your CSS.