Tools

12 online tools, organized by ad-tech scenario and data type.

JSON InspectorJSON ViewerFormat, compress, sort keys, browse large files as trees, search, JSONPath and stats — with auto-repair for common syntax issues.
JSON DiffJSON CompareCompare two JSON documents or any text: structural diff for JSON (array identity matching, ignore keys), line-level diff for everything else.
VAST Ad ToolsVAST DebuggerPaste an ad call URL or VAST XML: expand redirect and wrapper chains, resolve macros, validate against IAB specs and preview the creative.
Network StudioNetwork HubFull-path analysis of ad requests: hop-by-hop HTTP trace, redirect chains, TLS certificates, timing waterfall and response body diagnostics.
HTML5 Ad ToolsHTML5 Creative TestingPaste HTML5 / MRAID / JS / iframe ad tags and run them for real in an isolated sandbox: request waterfall, spec QA checks, MRAID simulation and multi-size preview.
Escape & UnicodeText Escape & UnicodeEscape & unescape for JSON / Go / Java / JavaScript / Python, plus Unicode codecs (HTML entities, \uXXXX, \xXX).
Base64 Encode / DecodeBase64 CodecConvert text to and from Base64: UTF-8 encoding, standard and URL-safe (- _) alphabets, optional = padding; decoding ignores whitespace and restores padding.
URL Encode / DecodeURL CodecURL encode and decode with three separate semantics: parameter value (encodeURIComponent), whole URL (encodeURI) and form (space ↔ +) — clarifying + versus %20.
Markdown EditorLive PreviewWrite Markdown on the left, see it rendered on the right: GFM tables and task lists, inline HTML, a formatting toolbar and a draggable split — output is sanitized before rendering.
Timestamp ConverterUnix TimestampConvert Unix timestamps to dates and back: seconds/milliseconds, live current-timestamp ticker, field input, local and UTC views.
MD5 HashMD5 DigestHash text to MD5 as you type: 32-bit and 16-bit digests in upper and lower case, one-click copy, computed entirely in the browser.
Password GeneratorRandom PasswordGenerate random passwords, memorable word passwords and PINs: adjustable length or word count, digit and symbol toggles, local cryptographic randomness.