Tool directory
All tools
Each page focuses on one concrete task, explains material assumptions, and keeps processing in your browser whenever practical.
Age Calculator
Calculate an exact calendar age for any comparison date without timezone-dependent server processing.
Image Compressor
Reduce an image file by adjusting quality and output format while keeping the processing private in your browser.
Length Converter
Convert common metric and imperial length units instantly and see the formula used for the result.
Merge PDF Files
Reorder documents and merge their pages into a downloadable PDF using private browser-only processing.
QR Code Generator
Create a customizable QR code locally and download it as PNG or SVG without sending the encoded content away.
Word & Character Counter
Paste or type text to see clear, live counts without uploading your writing to a server.
Date Difference Calculator
Find the exact calendar difference and total number of days between two dates in either order.
QR Code Reader
Upload a QR image for local recognition, then copy its text or open a validated HTTP or HTTPS link.
Remove Duplicate Lines
Paste line-separated text, keep the first matching line, and copy a cleaned result without uploading the text.
Resize Image
Change an image’s actual pixel width and height locally, with optional aspect-ratio locking and format selection.
Split PDF Pages
Choose page ranges in any order or define non-overlapping groups, then export PDFs locally without uploading documents.
Weight Converter
Convert kilograms to pounds and ounces together, or switch between six weight units. Results update in your browser as you type.
Case Converter
Change capitalization or identifier style in the browser and copy the converted result instantly.
Image Cropper
Crop an image to exact coordinates or centered 1:1, 4:3, 3:2, and 16:9 presets using local browser processing.
Organize PDF Pages
Move, rotate and remove selected PDF pages using accessible controls, then download a reordered PDF in your browser.
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin without sending the value anywhere.
Time Duration Calculator
Find the elapsed hours and minutes between two clock times, with explicit support for crossing midnight.
Convert Images to PDF
Arrange images in your preferred page order, select paper dimensions and margins, and export one downloadable PDF locally.
Data Storage Converter
Convert decimal and binary data-storage units without confusing GB with GiB or MB with MiB.
JSON Formatter
Paste JSON to validate it, format it with indentation, or minify it locally in your browser.
PNG to JPG Converter
Turn a PNG image into a downloadable JPG locally, with JPEG quality and transparency background controls.
Text Diff
Paste an original and a new version to find line changes without uploading either text.
Base64 Encode and Decode
Convert between UTF-8 text and standard Base64 with local browser processing and clear invalid-input errors.
Convert PDF Pages to Images
Select PDF page ranges and image quality settings to export PNG/JPEG files locally, one image per page.
JPG to PNG Converter
Turn a JPG or JPEG file into a PNG in the browser without an upload or account.
PNG to WebP Converter
Create a smaller WebP version of a PNG locally, with adjustable quality and transparency support.
URL Encode and Decode
Convert text, query values, and percent-encoded URL strings without opening the resulting link.
JPG to WebP Converter
Convert a JPG photo into WebP in the browser with a controllable balance between quality and file size.
UUID Generator
Generate random UUID v4 values in the browser for test data, seed records, and temporary identifiers.
Unix Timestamp Converter
Convert Unix timestamps and dates with UTC ISO, local time, seconds, and milliseconds shown side by side.
WebP to PNG Converter
Turn a WebP image into a broadly editable PNG while keeping the entire conversion in your browser.
WebP to JPG Converter
Turn a WebP image into a verified JPG locally, with adjustable quality and a visible background for transparency.
Rotate & Flip Image
Compose 90-degree rotations and horizontal or vertical flips in order, preview the result, and export locally.
Remove Image Metadata
Inspect common metadata groups, re-encode a clean image locally, and verify recognized metadata is absent before download.