Todas as ferramentas
58 ferramentas gratuitas, todas rodando inteiramente no seu navegador. Nada é enviado, nada é armazenado, nada pede login.
Images
Crop Image
Drag a box or type exact pixels, then download the cropped file.
Abrir ferramenta ImagesEXIF Viewer
See the camera, date and GPS location buried inside a photo file.
Abrir ferramenta ImagesFavicon Generator
Build a real multi-size .ico and every PNG icon a site needs, in your browser.
Abrir ferramenta ImagesImage Compressor
Shrink JPG, PNG and WebP files without uploading them anywhere.
Abrir ferramenta ImagesImage Converter
Convert between PNG, JPG and WebP without uploading anything.
Abrir ferramenta ImagesImage Resizer
Change an image to exact pixel dimensions without uploading it.
Abrir ferramentaText
Case Converter
Switch text between 11 cases, including camelCase and snake_case.
Abrir ferramenta TextFind and Replace Text
Search and replace with whole-word matching and real regex.
Abrir ferramenta TextLorem Ipsum Generator
Placeholder text by paragraph, sentence, word or list item.
Abrir ferramenta TextOnline Notepad
A fast plain-text scratchpad with saving you have to ask for.
Abrir ferramenta TextRemove Duplicate Lines
Deduplicate a list, with counts and a duplicates-only mode.
Abrir ferramenta TextSlug Generator
Titles into clean URL slugs, one per line, accents included.
Abrir ferramenta TextSort Text Lines
Alphabetical, natural, length and numeric sorting for any list.
Abrir ferramenta TextText Diff Checker
Line-by-line comparison with the changed words highlighted.
Abrir ferramenta TextText Reverser
Reverse characters, words or lines, or flip text upside down.
Abrir ferramenta TextWhitespace Cleaner
Strip double spaces, stray tabs and invisible Unicode characters.
Abrir ferramenta TextWord Counter
Live word, character and sentence counts with reading time.
Abrir ferramentaDesign
Aspect Ratio Calculator
Give three numbers, get the fourth, and resize without squashing anything.
Abrir ferramenta DesignCSS Border Radius Generator
Per-corner rounding, elliptical corners and blob shapes, with copyable CSS.
Abrir ferramenta DesignCSS Box Shadow Generator
Stack up to four shadow layers and copy the CSS. Inset supported.
Abrir ferramenta DesignColor Converter
Convert HEX, RGB and HSL, plus a built-in WCAG contrast check.
Abrir ferramenta DesignColor Palette Generator
Turn one color into a five-color scheme and copy it straight into CSS.
Abrir ferramenta DesignColor Contrast Checker
Test a text and background pair against the WCAG AA and AAA thresholds.
Abrir ferramenta DesignCSS Gradient Generator
Linear, radial and conic gradients with a live preview and copyable CSS.
Abrir ferramenta DesignCSS Unit Converter
px to rem, em, %, pt and viewport units, all at once and all configurable.
Abrir ferramentaSecurity
Encrypt Text with a Passphrase
AES-256-GCM encryption for a block of text, using a passphrase.
Abrir ferramenta SecurityHash Generator
Hash text or a file with MD5, SHA-1, SHA-256, SHA-384 and SHA-512.
Abrir ferramenta SecurityPassword Generator
Random passwords, plus a live "time to crack" against five attackers.
Abrir ferramenta SecurityPassword Strength Checker
See the patterns a cracker finds in your password, and how long it holds.
Abrir ferramenta SecurityTOTP Code Generator
Generate the current two-factor code from a base32 secret.
Abrir ferramentaCalculators
BMI Calculator
BMI in metric or imperial, with the weight range for your height.
Abrir ferramenta CalculatorsCompound Interest Calculator
Project savings growth with contributions, compounding and inflation.
Abrir ferramenta CalculatorsDiscount Calculator
Percent off, stacked discounts, and the real saving.
Abrir ferramenta CalculatorsLoan Calculator
Monthly payment, total interest and a year-by-year amortization table.
Abrir ferramenta CalculatorsPercentage Calculator
The four percentage questions, with the arithmetic shown.
Abrir ferramenta CalculatorsTemperature Converter
Four temperature scales at once, plus the oven and gas mark chart.
Abrir ferramenta CalculatorsTip Calculator
Tip, total and per-person share, with pre-tax tipping built in.
Abrir ferramenta CalculatorsUnit Converter
Nine categories of units, with the same amount shown in all of them.
Abrir ferramenta CalculatorsVAT Calculator
Add or remove VAT at any rate, with the rounding shown.
Abrir ferramentaDeveloper
Base64 Encoder & Decoder
Encode and decode Base64, including the URL-safe variant, without breaking accents.
Abrir ferramenta DeveloperCSV to JSON Converter
A real CSV parser: quoted fields, embedded newlines, ragged rows.
Abrir ferramenta DeveloperHTML Entity Encoder & Decoder
Escape text for HTML, or turn a page full of entities back into readable text.
Abrir ferramenta DeveloperImage to Base64 Converter
Turn an image into a data URI you can paste straight into CSS or HTML.
Abrir ferramenta DeveloperJSON Formatter
Pretty-print or minify JSON, with a real line number on errors.
Abrir ferramenta DeveloperJSON to CSV Converter
Flatten a JSON array into CSV with correct quoting and escaping.
Abrir ferramenta DeveloperJWT Decoder
Decode a JWT, read its claims, and check the signature locally.
Abrir ferramenta DeveloperNumber Base Converter
Binary, octal, decimal, hex and any base from 2 to 36, exact at any size.
Abrir ferramenta DeveloperUnix Timestamp Converter
Epoch seconds or milliseconds to a readable date, and back again.
Abrir ferramenta DeveloperURL Encoder & Decoder
Percent-encode a value or take a messy URL apart, parameter by parameter.
Abrir ferramenta DeveloperUUID Generator (v4 and v7)
Generate v4 or time-sortable v7 UUIDs, and take an existing one apart.
Abrir ferramenta DeveloperYAML to JSON Converter
Turn YAML into JSON, with honest errors instead of silent guesses.
Abrir ferramentaEveryday
Age Calculator
Exact age in years, months and days, plus the next birthday.
Abrir ferramenta EverydayRandom Picker
Pick a winner, shuffle a list or split it into even teams.
Abrir ferramenta EverydayRoman Numeral Converter
Numerals to numbers and back, with the breakdown and a standards check.
Abrir ferramentaTime
Countdown Timer
Count down to a date, or run a timer with an alarm at zero.
Abrir ferramenta TimeDate Difference Calculator
Days between two dates, plus a working-days count you can tune.
Abrir ferramenta TimeHours Calculator
Add shift times into a weekly total, with breaks, rounding and pay.
Abrir ferramenta TimePomodoro Timer
A drift-free focus timer with custom intervals and a chime.
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