Privacy by default
Files never leave your device. There is no analytics, no fingerprint, no cookie. The tools work offline — and that is the point.
Quiet tools for
the noisy web.
A small, careful collection of free utilities — no signup, no telemetry, no upload. Everything runs in your browser.
§ 01 · Index
The complete collection.
Regex Tester
Test regular expressions in real time with match highlighting, capture groups, and common pattern templates.
Developer
URL Encoder & Decoder
Encode or decode full URLs and URL components instantly.
Developer
Word Counter
Count words, characters and sentences. Check reading time and social media limits.
Text
Screen Resolution Checker
Check screen resolution, viewport size, DPR, browser, OS, and display preferences instantly.
Device
Password Generator
Generate strong, secure passwords. Customize length, characters, and strength.
Security
QR Code Generator
Generate QR codes from text or URLs. Download as PNG or SVG.
Images
Color Picker & Converter
Pick colors visually. Convert between HEX, RGB, HSL, HSV, CMYK.
Design
Image Compressor
Compress JPEG, PNG, WebP images. Reduce file size up to 90% in your browser.
Images
JSON Formatter
Format, validate, and explore JSON with syntax highlighting and tree view.
Developer
Diff Checker
Compare two texts side by side and highlight additions, removals, and changes.
Text
Typing Speed Test
Test your WPM and accuracy. Multiple modes: words, sentences, code, numbers.
Device
Age Calculator
Calculate exact age, birthday countdown, zodiac, generation, and fun life stats.
Numbers
Stopwatch & Timer
Track time with a precise stopwatch, lap exports, and a countdown timer with alerts.
Time
Percentage Calculator
Calculate percentages, percentage change, increases, decreases, and tips instantly.
Numbers
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text or files.
Security
Base64 Encoder & Decoder
Encode and decode Base64 for text or files with URL-safe and line-break options.
Developer
Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences, or words. Free, instant, and easy to copy.
Text
Unit Converter
Convert length, weight, temperature, area, volume, and speed instantly.
Numbers
Loan & Mortgage Calculator
Calculate loan and mortgage payments, total interest, repayment, and payoff estimates.
Numbers
BMI Calculator
Calculate your body mass index, see your BMI category, and check a general healthy weight range.
Numbers
CSS Gradient Generator
Create beautiful linear and radial CSS gradients visually and copy the generated CSS.
Design
Markdown Previewer
Write Markdown and preview the formatted HTML result instantly. Safe, private, and fast.
Developer
Favicon Generator
Create favicon files from one image for websites, browser tabs, and bookmarks.
Images
CSV to JSON Converter
Convert CSV data into formatted JSON instantly.
Developer
Meeting Cost Calculator
Estimate how much a meeting costs based on attendees, hourly rates, duration, and overhead.
Numbers
Color Contrast Checker
Test color contrast ratios against WCAG 2.1 AA and AAA standards. Check text readability and accessibility compliance.
Design
Unix Timestamp Converter
Convert Unix timestamps to dates and dates to epoch time. Supports seconds, milliseconds, and timezones.
Developer
Cron Expression Parser
Parse and build cron expressions. See human-readable descriptions and next execution times.
Developer
JWT Decoder
Decode JWT tokens client-side. Inspect Header, Payload, and Signature with smart claims analysis.
Developer
Webcam & Mic Test
Test your webcam and microphone in your browser. Check video quality and audio levels before calls.
Device
Text Case Converter
Convert text between uppercase, lowercase, title case, camelCase, snake_case, kebab-case, and more.
Text
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between any two dates. Business days, countdown, and detailed breakdown.
Numbers
Image Resizer & Cropper
Resize, crop, rotate, and convert images in your browser. No upload, 100% private.
Images
IP Address Lookup
Find your public IP address and geolocation instantly. Look up any IP for country, city, ISP, timezone, and ASN data. Free, no sign-up required.
Security
UUID Generator
Generate single or bulk UUIDs instantly. Choose version, format, and copy with one click.
Developer
Pomodoro Timer
Stay focused with timed work sessions and breaks
Time
Image Format Converter
Convert images between PNG, JPG, WebP, GIF, BMP, AVIF, and ICO — free, private, 100% in-browser
Images
Screen Test
Test your display for dead pixels, stuck pixels, backlight bleed, color banding, and more.
Device
Photo Censor
Blur, pixelate, or redact sensitive areas in your photos. 100% private — nothing leaves your browser.
Images
Image Color Extractor
Upload an image to extract its dominant colors and create a color palette instantly.
Images
Number Base Converter
Convert between binary, decimal, hexadecimal, and octal instantly with live updates and bit visualization.
Developer
Compound Interest Calculator
See how your money grows over time with the power of compounding.
Numbers
Discount & Markup Calculator
Calculate sale prices, markups, profit margins, and original prices instantly. Free pricing calculator for shoppers and businesses.
Numbers
PDF Delete PagesNew
Delete pages from a PDF in your browser. Click pages to mark them, then download a clean copy. 100% private — no upload, no signup.
Converters
Merge PDF Files
Combine multiple PDFs into one document — free, private, no upload required.
Converters
PDF OrganizeNew
Reorder, rotate, and remove PDF pages by drag-and-drop — free and private.
Converters
PDF Page NumbersNew
Add page numbers to any PDF — choose position, format and font size. Free, private, runs in your browser.
Converters
Tip Calculator
Calculate tips and split bills instantly. Free online tip calculator with custom percentages, bill splitting, and round-up.
Numbers
PDF to Image Converter
Convert each PDF page to an image — free, private, no upload required.
Converters
Image to PDF Converter
Convert and combine images into a PDF document. Arrange pages, set margins, and download instantly.
Converters
PDF Page Rotator
Rotate individual or all pages in a PDF file. Free, private, and lossless — runs entirely in your browser.
Converters
PDF SplitNew
Split a PDF into separate pages or specific page ranges — free, private, runs in your browser.
Converters
Placeholder Image Generator
Create custom placeholder images for mockups, wireframes, and prototypes. Set dimensions, colors, and text, then download as PNG, JPG, WebP, or SVG.
Images
PDF Watermark
Add a text or image watermark to any PDF — works entirely in your browser.
Converters
PDF Compress
Reduce PDF file size instantly in your browser. Nothing is uploaded to any server.
Converters
Audio Trimmer
Trim and cut audio files in your browser. Supports MP3, WAV, OGG, M4A, and FLAC. No upload — 100% private.
Device
Video to GIF
Convert video clips to animated GIFs right in your browser. No uploads, no sign-up, 100% private.
Converters
SVG OptimizerNew
Minify and clean up SVG files in your browser. Free, private, no upload.
Developer
Meta Tag GeneratorNew
Generate complete SEO meta tags, Open Graph, and Twitter Card markup with live previews for Google, Facebook, and Twitter. Free, private, no signup.
Developer
robots.txt GeneratorNew
Generate a valid robots.txt file with presets for WordPress, Shopify, AI crawler blocks and more. Live preview, copy and download.
Developer
HEIC to JPG ConverterNew
Free HEIC to JPG converter that runs entirely in your browser. Batch convert iPhone HEIC photos to JPG, PNG, or WebP. No uploads, no signup, fully private.
Converters
.htaccess Generator
Generate Apache .htaccess rules for redirects, caching, security headers, compression, and more. Free, private, browser-based.
Developer
Schema Markup GeneratorNew
Generate valid Schema.org JSON-LD structured data for FAQ, Organization, Product, Article, Event and more. Free and private.
Developer
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63
Tools shipped
0kb
Trackers
12
Languages
100%
On-device
§ 02 · Manifesto
Three quiet rules.
Quiet by design
No popups, no upsells, no flashing banners. Each tool does one thing, with the smallest possible interface, and gets out of your way.
Free forever
No accounts, no paid tiers, no rate limits. Funded by goodwill alone.