Field guides for data you cannot mishandle.
Practical workflows for inspecting, repairing and preparing data, media and interface systems with explicit browser boundaries.
How to Inspect a JWT Locally Without Uploading It
Read JWT header and payload claims locally, check exp, iss and aud, and learn why decoding is not the same as signature verification.
How to Repair Broken JSON from AI Output and Logs
Repair common JSON syntax problems locally, review every change, and validate the result before using it in code or automation.
How to Remove Secrets from Logs Before Sharing
Scan logs and configuration snippets for credentials, create a redacted copy, and respond correctly when a real secret is found.
How to Compress Images Locally in Your Browser
Resize screenshots and photos, choose WebP, JPEG or PNG, and compare the result without uploading the source image.
How to Remove EXIF and GPS Metadata Before Sharing
Inspect and remove GPS, EXIF, XMP and publishing metadata locally, verify the cleaned image, then recheck the exact public copy after upload.
How to Pick Exact Colors from an Image Without Uploading It
Sample exact pixels from screenshots and logos, separate them from dominant palettes, and export useful CSS color tokens locally.
How to Fix Color Contrast Across an Entire UI Palette
Measure WCAG contrast, find restrained color repairs, and audit every foreground and surface combination before design handoff.