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Tools164 free tools that run in your browser.PDF toolsMerge, split, compress and convert PDFs.Image toolsCompress, convert, resize and make ID photos.Audio & videoTrim, convert and record audio and video.Text toolsCount, clean, compare and convert text.Developer toolsJSON, encoding, network and security utilities.CSS & designGradients, shadows, colours and layout CSS.CalculatorsEveryday numbers, dates and conversions.

Games

GamesBoard and card games, ready in one click.Board gamesChess, Go, Xiangqi and 14 more. Play a friend online.Card gamesSolitaire, Hearts, Spades and 40+ classics.MahjongEight regional Mahjong variants with friend rooms and bots.Dou DizhuSix Dou Dizhu variants: classic, wild cards, four players and more.

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CreatorsReview your Douyin and Instagram posts and plan the next one.VPS pickerDescribe your project. Get a VPS shortlist.

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TarotA card reading as a prompt for reflection.Skill RankDiscover and compare AI agent skills.CiteProofCheck a bibliography against real records.

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BlogPractical guides with sources.CommunityReviews, recommendations and red flags.
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Tools

Tools164 free tools that run in your browser.PDF toolsMerge, split, compress and convert PDFs.Image toolsCompress, convert, resize and make ID photos.Audio & videoTrim, convert and record audio and video.Text toolsCount, clean, compare and convert text.Developer toolsJSON, encoding, network and security utilities.CSS & designGradients, shadows, colours and layout CSS.CalculatorsEveryday numbers, dates and conversions.

Games

GamesBoard and card games, ready in one click.Board gamesChess, Go, Xiangqi and 14 more. Play a friend online.Card gamesSolitaire, Hearts, Spades and 40+ classics.MahjongEight regional Mahjong variants with friend rooms and bots.Dou DizhuSix Dou Dizhu variants: classic, wild cards, four players and more.

Create & choose

CreatorsReview your Douyin and Instagram posts and plan the next one.VPS pickerDescribe your project. Get a VPS shortlist.

More

TarotA card reading as a prompt for reflection.Skill RankDiscover and compare AI agent skills.CiteProofCheck a bibliography against real records.

Read & talk

BlogPractical guides with sources.CommunityReviews, recommendations and red flags.
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Thirteen rules

Beat the previous combination and be first out.

Play Thirteen

How to play

  1. Use the table’s rank order, with three low and two high.
  2. Lead a single, pair, sequence or other legal combination.
  3. Followers must play a higher combination of the same type or pass; the table shows available special counters.
  4. When everyone else passes, the last player leads freely. First to empty their hand wins.