Generators 25 tools
Make a thing — a UUID, a QR code, a password, a colour palette. Every tool runs in your browser, no signup.
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Generate UUIDs in your browser. v4 random or v7 time-ordered. Single click or bulk up to 100.
Shortcut: ugui
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Generate ULIDs (26-char Crockford-Base32, time-prefixed, sortable). Single or batch up to 1000, optional monotonic mode so consecutive IDs sort strictly in generation order. Copy as plain text or JSON, in your browser, no upload.
Shortcut: ugul
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Generate a QR code from text or a URL. Output is SVG (sharp at any size) and you can download as PNG. Nothing leaves your browser.
Shortcut: qcgq
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Generate cryptographically random passwords in your browser. Configurable length, character classes, and an entropy estimate. Nothing is uploaded.
Shortcut: pgpa
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Pick a colour and see it in hex, rgb, and hsl. Get a 9-step tint and shade ramp and a WCAG 2.x contrast check between any two colours. Free, in-browser, no upload.
Shortcut: cpco
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Generate Lorem Ipsum placeholder text. By word, sentence, paragraph, or byte count. Live, copy with one click, no upload.
Shortcut: ligl
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Check contrast ratio between two colours against WCAG 2.x AA and AAA. Normal text, large text, UI components. Live preview at 6 sizes, in-browser, no upload.
Shortcut: cccw
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Classic 25-minute focus / 5-minute short break / 15-minute long break cycle. Customisable durations, SVG progress ring, soft Web Audio chime, daily counter and streak stored locally. Runs in your browser, no upload.
Shortcut: ptpo
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Browser stopwatch with millisecond precision, lap splits, per-lap split and delta times, copy or download as TSV. Keyboard shortcuts, in-browser only, no upload.
Shortcut: stop
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Build a box-shadow value with a live preview. Up to 4 layers (offset, blur, spread, colour, inset), presets for Soft / Material / Neumorphic / Glow / Inset, copy-ready in rgba / rgb / hex / hexa. Pure client-side, no upload.
Shortcut: cbsg
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Build CSS linear and radial gradients with a live preview. 2–8 colour stops with per-stop position, angle slider, radial shape and size, eight presets, copy-ready in hex / rgb() / hsl(). Pure client-side, no upload.
Shortcut: cggr
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Generate tints, shades, tones, and colour harmonies from any hex colour. 11-stop palette of each kind plus complementary / analogous / triadic / split-complementary harmonies. Click any swatch to copy, export the whole palette as CSS variables, SCSS variables, JSON tokens, or Tailwind config. Pure client-side, no upload.
Shortcut: cstg
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Roll any dice expression in your browser. Standard notation (3d6+2, 4d6dl1, 2d20kh1, 1d6!, d100) with keep-highest / keep-lowest / drop-highest / drop-lowest / reroll / exploding modifiers. Live history, bulk distribution with seeded RNG, copy as text. Pure client-side, no upload.
Shortcut: drdi
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Test the strength of a password in your browser. Live entropy in bits, character-class composition, crack-time estimates for online and offline attackers, and a list of weak patterns (dictionary words, sequences, keyboard runs, years, dates). Pure client-side, nothing is uploaded or stored.
Shortcut: pstp
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Generate Code 128 or Code 39 barcodes in your browser. Live SVG preview, custom colours, height and module-width controls, optional Code 39 modulo-43 check digit, download as SVG or PNG, copy the markup. Pure client-side, no upload.
Shortcut: bgba
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Define a JSON schema of fields and generate N records of realistic-looking data in your browser. 32 field kinds: names, emails, addresses, dates, IDs, Luhn-valid credit cards, mod-97-valid IBANs, IPv4 / IPv6 / MAC, lorem ipsum, and more. Output as JSON, NDJSON, CSV, TSV, or SQL INSERT. Optional seed for reproducible fixtures. Pure client-side, no upload.
Shortcut: mdgm
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Build a 1200×630 social-card image in your browser. Type a title, subtitle, author, and site; pick a theme (light, dark, slate, amber, rose, forest); see the result update live on a canvas. Download as PNG or copy the data URL. Pure client-side, no upload.
Shortcut: ogig
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Paste a list of names and split them into N groups, groups of size N, or pairs. Optional shuffle for fairness, optional seed for a repeatable split, copy-all or per-group copy. Pure client-side, no upload.
Shortcut: tggt
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One-tap per-task stopwatch with a localStorage history, project labels, and a colour swatch per project. Filter by today / yesterday / last 7 days / this month / all time, see totals by project and by day, export the filtered history as TSV or JSON and import it back. Pure client-side, no upload, no tracking.
Shortcut: ttim
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Generate a printable monthly or full-year calendar in your browser. Year, month, country-specific public holidays (US / GB / DE / IT / FR), Sunday or Monday start, ISO week numbers, holiday markers, Print / Copy as text / Download as ICS. Pure client-side, no upload.
Shortcut: pcgp
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Generate placeholder images at any width × height with custom text and colours. Output as PNG, JPEG, or SVG. Live preview with byte-size readout, eight common-size presets, bulk size list with one-click apply, auto-pick readable text colour, copy data URL or SVG markup, download. Pure client-side, no upload.
Shortcut: pigp
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Cryptographically random Diceware passphrases in your browser. EFF short wordlist (1296 words), 3–10 words, optional digit and symbol, live entropy estimate. No upload.
Shortcut: dpgd
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Pick random winners from any list in your browser. Weighted entries (Alice:3), no-repeat draws, mulberry32-seeded replays so you can reproduce the exact result. Pick 1 or many, history of the last 50 draws in localStorage. Pure client-side, no upload.
Shortcut: rpra
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Build a printable word search puzzle from your own word list. Configurable grid size (6×6 to 25×25), direction set (4 / 6 / 8 compass), reverse direction, optional seed for reproducible puzzles, 6 built-in themes, highlight-on-hover, answer-key toggle, copy as text, print view. Pure client-side, no upload.
Shortcut: wspg
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Generate a perfect maze in your browser with three classical algorithms — recursive backtracker (long winding corridors), Prim's (bushy, branching), or Kruskal's (balanced tree). Configurable rows / columns / cell size, optional seed for a reproducible maze, optional solution-path overlay, and SVG / PNG download. Pure client-side, no upload.
Shortcut: mgma