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The toolbox.

Small, sharp utilities for everyday dev and design work. Everything runs locally, nothing ever leaves your device.

Tools: 50
Categories: 04
Uploads: 00

Dev

001JSON FormatterPrettify, validate or minify JSON in one paste. Errors are flagged on the exact line, so you jump straight to what's broken.002SQL FormatterClean up a cramped SQL query with proper indentation and consistent keyword casing, across Postgres, MySQL, SQLite, SQL Server and BigQuery.003Data ConverterConvert structured data between JSON, YAML, TOML and CSV in one click, so you can move config and spreadsheet data between formats without rewriting it by hand.004Markdown PreviewWrite Markdown on one side and watch the HTML render live on the other, then copy the clean output whenever you're ready.005JSON to TSPaste a JSON sample and generate TypeScript interfaces or a Zod schema, with nested types, optional keys and unions inferred for you.006Regex TesterBuild and test a regular expression as you type, with live match highlighting, capture groups and every flag within reach.007Diff ViewerCompare two blocks of text side by side and see exactly what changed, with every added and removed line highlighted.008JWT DecoderDecode a JWT to read its header and claims as plain JSON, with the issued and expiry times shown in readable, human dates.009Keycode InspectorPress any key or combo to see its event.key, code, keyCode and modifiers, then copy a ready-made JavaScript condition for it.010HTML ViewerPaste or drop HTML and see it render live in a sandboxed preview, with syntax highlighting, one-click formatting and a raw or styled view toggle.011Encode / DecodeEncode or decode Base64 and URL-encoded text in either direction, handy whenever you're debugging APIs, links or payloads.012CSS ↔ TailwindTurn a block of CSS into Tailwind utility classes, or convert Tailwind back into plain CSS, with an arbitrary-value fallback so nothing is lost.013PX to REMConvert px to rem and back in a live two-way field, or rewrite a whole block of CSS at once, all against your own root font-size.014Curl ↔ FetchPaste a curl command and get a clean, ready-to-run JavaScript fetch() snippet, with the method, headers and body wired up for you.015List CleanerClean up a messy list: trim, sort, deduplicate and reverse it, then join the result with any delimiter, including quoted values for SQL.016ID & PasswordGenerate UUIDs, random tokens and strong passwords in bulk, with control over length and format, then copy them in a click.017Hash / ChecksumHash any text or a dropped file with MD5, SHA-1, SHA-256 and SHA-512, then copy the digest to verify downloads or compare files.018Timestamp ConverterConvert between Unix timestamps and readable dates in either direction, complete with timezones and friendly relative time.019Timezone ConverterSee one moment in time across as many timezones as you need at once, perfect for scheduling calls and deadlines worldwide.020Cron HelperRead any cron expression in plain English with its next run times, or build a new schedule from simple presets and dropdowns.021HTTP Status CodesLook up any HTTP status code in a searchable list grouped from 1xx to 5xx, with the meaning and when to use it, then copy the code in a click.

Design

001Color PalettePick a base color and instantly build tints, shades and harmonious palettes, ready to copy straight into your design.002Color ConverterConvert a color between HEX, RGB, HSL, HSV and CMYK with a live preview, and copy whichever format your project happens to need.003Contrast CheckerCheck the contrast ratio between two colors and see at a glance whether they pass WCAG AA and AAA for readable text.004Gradient StudioCraft CSS gradients and glassmorphism effects with live controls, then copy a ready-to-paste snippet into your stylesheet.005Shadow PlaygroundDial in box-shadows and soft neumorphism with simple sliders and a live preview, then grab the exact CSS once it looks right.006Image ConverterConvert and compress images to WebP, JPEG or PNG, HEIC and AVIF included, with a quality slider and optional resizing, all on your device.007Image ResizerResize an image to a custom width and height, scale it with a drag slider while keeping the aspect ratio, or export a full set of favicon sizes.008SVG OptimizerStrip the cruft from raw SVG markup and minify it, then copy it as a tidy CSS data-URI background, ready to drop straight in.009OG Image MakerDesign social share images on a canvas, tweaking the text, colors and layout, then export a crisp PNG for link previews.010ASCII BannerTurn any text into bold, retro ASCII-art banners you can copy into READMEs, terminals or code comments for a little flair.011Retro CRT TextTurn a line of text into a retro CRT or VHS screen with phosphor glow, scanlines, RGB split and static, then download it as a PNG.

Product

001Invoice CreatorBuild a professional invoice with line items, taxes and discounts, pick a template, then download a clean PDF. Saved locally, nothing is uploaded.002Image to PDFTurn JPGs, PNGs or WebP images into a single PDF. Reorder them, pick a page size and margin, then download. Everything stays on your device.003PDF MergerCombine several PDFs into one. Drop your files, drag pages into the order you want, drop the ones you don't, then download. All done in your browser.004PDF SplitterOpen a PDF and pull out the pages you want. Select, reorder, rotate or delete pages from thumbnails, then export a new PDF. Nothing leaves your device.005PDF Page ResizerChange a PDF's page size to A4, Letter, Legal or A3 (not the file size). Scale the content to fit or keep it centered, then download. Processed locally, never uploaded.006PDF PasswordAdd a password to a PDF, or remove one after you enter it. AES-256 encryption, all in your browser. Nothing is uploaded.007QR CodeTurn any text or URL into a QR code styled with your own colors, then download it as a sharp PNG or a scalable SVG.008UTM BuilderFill in the campaign fields to build a correctly encoded UTM tracking link, with a scannable QR code generated alongside it.009Fake DataGenerate realistic placeholder content, from lorem ipsum and names to emails, UUIDs, phone numbers and JSON rows, for mockups and tests.010EXIF ScrubberDrop a photo to reveal the hidden data it carries, including GPS location, camera and timestamp, then strip it all out and download a clean copy.011Secret SharingEncrypt a private note with a password and share it as a self-decrypting link. Nothing is uploaded; it all happens in your browser.012Case ConverterConvert text between kebab, snake, camel, Pascal, Title case, URL slugs and more, with every variation generated and copyable at once.013ReadabilityPaste your writing to get word count, reading time and a Flesch readability score, so you can see how easy it really is to read.014CalculatorsEveryday calculators in one place: split a bill and tip, work out loan EMI and interest, run percentages, and get exact age from a date.015Number NamerType a big number and read it in words and digits, grouped the Indian and international way, with lakh, crore, million and currency formatting.

Fun

001Typing TestMeasure your typing speed and accuracy against the clock, with live words-per-minute, so you can see how fast you really are.002Pomodoro TimerStay focused with timed work sprints and breaks, tracked on a clean countdown ring that keeps you in flow without the clutter.003Fancy TextTurn plain text into bold, italic, script, circled and upside-down unicode styles you can paste straight into bios, posts and usernames.