This section stays intentionally narrow: deterministic tools, clear limitations, and no dependence on APIs, accounts, external services, or regulated advice. The useful part is the transformation and the caveats around it.
Do not paste secrets, private keys, tokens, regulated personal data, or confidential client material unless you have permission and an approved handling workflow.
Start With The Debugging Job
Pick the tool family that matches the kind of bug or inspection task you are dealing with.
Encode and decode payload text
Base64, URL, and HTML entity helpers for browser-side debugging.
Jump to this groupInspect JSON fast
Format, validate, and minify JSON without leaving the browser.
Jump to this groupWork with request strings and timestamps
Query-string parsing/building and timestamp conversion for lightweight debugging.
Jump to this groupCovered Workflows
14 developer-tool pages grouped by the kind of browser-side task they actually solve.
encoding
Encoding and decoding helpers for URLs, Base64, HTML entities, and other browser-side format changes.
Base64 Encoder
Encode plain text into Base64 when you need a browser-side transformation for transport, debugging, or quick testing.
Base64 Decoder
Decode Base64 strings back into readable text when you need a quick browser check for payloads or test values.
URL Encoder
Encode text for safer placement in URLs and query strings when reserved characters need escaping.
URL Decoder
Decode percent-encoded strings back into readable text when browser debugging or query inspection needs a quick check.
HTML Entity Encoder
Escape HTML-sensitive characters into entity form when you need safer display in markup-heavy contexts.
HTML Entity Decoder
Turn common HTML entities back into readable characters when markup-heavy snippets are hard to inspect.
json
Formatting, minifying, and validation tools for JSON inspection without leaving the browser.
JSON Formatter
Format JSON into readable indentation before debugging nested payloads.
JSON Minifier
Compress valid JSON into a tighter one-line representation for transport, storage, or quick payload comparison.
JSON Validator
Check whether a JSON block is structurally valid before formatting, minifying, or sending it elsewhere.
text processing
Small developer-facing text transforms that help with regexes, literals, and copy-paste cleanup.
Regex Escape Tool
Escape regex-special characters when plain text needs to be treated as a literal pattern instead of an active expression.
Regex Unescape Tool
Turn a regex-escaped literal string back into a more readable plain-text version during debugging or pattern review.
request
Query-string and URL inspection pages that support manual debugging and browser-side testing.
Query String Parser
Split a query string into decoded key-value rows when a copied URL is hard to inspect.
Query String Builder
Build a cleaner query string from one key-value pair per line when manual URL assembly gets messy.
time
Timestamp-oriented developer helpers that convert stable technical time formats.