Developer & Data
Format, convert, encode and inspect data locally in your browser.
Uptime Budget Utilization Calculator
Uptime Budget calculator to compare used capacity with total available capacity as a transparent percentage. Runs locally with visible inputs and assumptions.
Open tool →Uptime Budget Remaining Capacity Calculator
Uptime Budget calculator to show unused capacity and the remaining percentage before a stated limit. Runs locally with visible inputs and assumptions.
Open tool →Uptime Budget Weighted Average Calculator
Uptime Budget calculator to combine two observations while preserving their different weights. Runs locally with visible inputs and assumptions.
Open tool →Uptime Budget Compound Projection Calculator
Uptime Budget calculator to project repeated percentage change over a chosen number of periods. Runs locally with visible inputs and assumptions.
Open tool →Local QR Code Generator
Encode a short text note or identifier as a standards-compatible QR code entirely in your browser.
Open tool →URL QR Code Generator
Turn one validated HTTP or HTTPS address into a scannable link as a standards-compatible QR code entirely in your browser.
Open tool →Wi-Fi Network QR Generator
Create a Wi-Fi join payload from an SSID, security mode and optional password as a standards-compatible QR code entirely in your browser.
Open tool →vCard Contact QR Generator
Build a compact vCard 3.0 contact from identity and communication fields as a standards-compatible QR code entirely in your browser.
Open tool →Email Message QR Generator
Compose a mailto payload with recipient, subject and message body as a standards-compatible QR code entirely in your browser.
Open tool →SMS Message QR Generator
Encode a phone number and pre-filled SMS message without sending it as a standards-compatible QR code entirely in your browser.
Open tool →Calendar Event QR Generator
Build an iCalendar event payload with explicit UTC start and end times as a standards-compatible QR code entirely in your browser.
Open tool →Multi-Format Barcode Generator
Choose a supported barcode symbology and encode one validated value locally as a standards-based one-dimensional barcode with SVG or PNG export.
Open tool →Code 128 Barcode Generator
Encode compact letters, numbers and common symbols locally as a standards-based one-dimensional barcode with SVG or PNG export.
Open tool →EAN-13 Barcode Generator
Encode a 12-digit product body or validated 13-digit EAN locally as a standards-based one-dimensional barcode with SVG or PNG export.
Open tool →EAN-8 Barcode Generator
Encode a 7-digit product body or validated 8-digit EAN locally as a standards-based one-dimensional barcode with SVG or PNG export.
Open tool →UPC-A Barcode Generator
Encode an 11-digit product body or validated 12-digit UPC-A locally as a standards-based one-dimensional barcode with SVG or PNG export.
Open tool →Code 39 Barcode Generator
Encode uppercase inventory text in the Code 39 alphabet locally as a standards-based one-dimensional barcode with SVG or PNG export.
Open tool →ITF-14 Barcode Generator
Encode a 13-digit shipping-container body or validated 14-digit ITF code locally as a standards-based one-dimensional barcode with SVG or PNG export.
Open tool →Private CSV Table Viewer
Inspect CSV headers, row counts and a bounded aligned table preview locally without uploading the source data.
Open tool →Private CSV Cleaner
Trim cell whitespace, remove empty rows and normalize CSV quoting locally while preserving the rectangular table.
Open tool →Private CSV Row Deduplicator
Remove exact duplicate CSV data rows locally, retain the first occurrence and download a clean table.
Open tool →Private JSON Difference Viewer
Compare two JSON values by path and report additions, removals and changes locally with deterministic ordering.
Open tool →Safe Markdown Preview
Render a focused Markdown subset as a live sanitized preview and copy the generated HTML without executing embedded code.
Open tool →Base64 to Image Decoder
Decode a bounded Base64 or image data URL into a verified raster image locally and download the resulting file.
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