Get a result in seconds — without uploading your files

Pick a task below or search by what you want to do. Everything runs in your tab; we do not receive your pasted text or chosen files for conversion. Each tool has a stable link (for example /en/json/). Opening the site home (/) picks a supported language from your browser; the language menu saves your choice on this device.

Built for quick tasks

Privacy-first by design

These utilities run as client-side JavaScript in your tab.

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Jump between related calculators — great for work, money, PDFs, and everyday math.

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Age Calculator locally in your tab — quick and privacy-friendly.

Encode plain text to Base64, or decode Base64 back to text with correct UTF-8 handling for emoji, accents, and non-Latin scripts.

Simple fields for adults, children, and appetite — instant estimates for meat, linguiça-style sausage, charcoal, ice, and soft drinks. Runs only in your browser.

Business Days locally in your tab — quick and privacy-friendly.

Case Converter locally in your tab — quick and privacy-friendly.

Character Counter locally in your tab — quick and privacy-friendly.

Type both salaries to see the equivalent monthly value of CLT (after benefits accrual) and the PJ amount after a flat Simples tax.

Combine a starting balance with regular monthly deposits and an annual rate to see total interest, contributions, and final balance.

Beautify CSS for review and debugging, or minify it to strip whitespace and trim download size (formatter library loads only on this tool page).

Csv To Json locally in your tab — quick and privacy-friendly.

Csv Tsv Converter locally in your tab — quick and privacy-friendly.

Date Difference locally in your tab — quick and privacy-friendly.

Dedupe Lines locally in your tab — quick and privacy-friendly.

Type the original price and the discount percent to see the final price and savings, or compare two prices to learn the implied discount percent.

Scan pasted text for email-shaped tokens, drop duplicates, optionally sort, and join with newline, comma, tab, pipe, or a custom delimiter — all in your browser.

Apply the classic 70% rule: if the ethanol price is below 70% of the gasoline price it is usually a better buy.

Favicon Generator locally in your tab — quick and privacy-friendly.

Hash Generator locally in your tab — quick and privacy-friendly.

Indent HTML for readability, or preview rendered output inside a sandboxed iframe so scripts from your snippet cannot affect this site.

Image Compress locally in your tab — quick and privacy-friendly.

Image Convert locally in your tab — quick and privacy-friendly.

Image Crop locally in your tab — quick and privacy-friendly.

Image Resize locally in your tab — quick and privacy-friendly.

Stack photos or scans into one A4-sized PDF — order images with the arrow buttons, then download. Processing stays on your device.

Enter the financed amount, monthly interest rate and number of installments to read the fixed monthly payment, total paid, and total interest.

Turn minified bundles into indented, readable code, or compress snippets by removing excess whitespace — helpful when inspecting production JS.

Pretty-print messy JSON, minify to shrink size, validate syntax, and browse nested objects in a tree view — ideal for REST APIs and config files. Everything runs in your browser.

Json To Csv locally in your tab — quick and privacy-friendly.

Jwt Decoder locally in your tab — quick and privacy-friendly.

Meta Preview locally in your tab — quick and privacy-friendly.

Name Picker locally in your tab — quick and privacy-friendly.

Type the gross salary and number of night hours worked between 22h and 5h to read the equivalent hours and total bonus.

Enter adults, children, hours, and whether you are serving snacks only or a meal — get starter numbers for cake, salgadinhos, and drinks.

Pdf Compress locally in your tab — quick and privacy-friendly.

Pdf Delete Pages locally in your tab — quick and privacy-friendly.

Pdf Extract Pages locally in your tab — quick and privacy-friendly.

Pdf Merge locally in your tab — quick and privacy-friendly.

Pdf Page Count locally in your tab — quick and privacy-friendly.

Pdf Reorder locally in your tab — quick and privacy-friendly.

Pdf Rotate locally in your tab — quick and privacy-friendly.

Pdf Split locally in your tab — quick and privacy-friendly.

Open a PDF and download each page as a high-resolution PNG — powered by pdf.js in your tab, not a remote converter.

Pdf Watermark locally in your tab — quick and privacy-friendly.

Three percent helpers in one screen: percent of a value, ratio between two numbers, and percent change between before and after.

Pizza Calculator locally in your tab — quick and privacy-friendly.

Qr Code locally in your tab — quick and privacy-friendly.

Regex Tester locally in your tab — quick and privacy-friendly.

Type A, B and C and read X for direct proportions — common for school, recipes, paint coverage, and unit pricing.

Focus the paste area and paste from the clipboard, or pick image files — build a one-page or multi-page PDF locally.

Slug Generator locally in your tab — quick and privacy-friendly.

Social Image Size locally in your tab — quick and privacy-friendly.

Sort Lines locally in your tab — quick and privacy-friendly.

Text Diff locally in your tab — quick and privacy-friendly.

Convert Unix time in seconds or milliseconds to human-readable dates, type ISO UTC strings, and see values update together — handy for APIs, logs, and debugging.

Timezone Converter locally in your tab — quick and privacy-friendly.

Trim Spaces locally in your tab — quick and privacy-friendly.

Pick a dimension, choose source and target units, and read the converted value with no network round trip.

Url Encode locally in your tab — quick and privacy-friendly.

Url Extract locally in your tab — quick and privacy-friendly.

Utm Builder locally in your tab — quick and privacy-friendly.

Uuid Generator locally in your tab — quick and privacy-friendly.

Wheel Spinner locally in your tab — quick and privacy-friendly.

Word Counter locally in your tab — quick and privacy-friendly.

Add indentation to XML, surface parser errors, and read configs, RSS feeds, enterprise payloads, or SVG fragments more easily.

Yaml Json locally in your tab — quick and privacy-friendly.

Simulate months of compounding with separate monthly or annual rates for return, admin, and inflation — runs entirely in your browser.