Strict percent decoding

Decode percent-encoded query names and values

Malformed escapes and invalid UTF-8 fail visibly instead of becoming replacement text.

Runs locally

Parse one raw query string

Query stays in this browser

Exact result

Ordered query evidence

Pairs3

Unique names3

Repeated names0

Canonical query

?q=blue%20shoes&plus=a%2Bb&symbol=%E2%89%A1

Ordered JSON array

[
  {
    "name": "q",
    "value": "blue shoes"
  },
  {
    "name": "plus",
    "value": "a+b"
  },
  {
    "name": "symbol",
    "value": "≡"
  }
]

Parameter rows

#	Raw name	Raw value	Had =	Decoded name	Decoded value
1	q	blue%20shoes	Yes	q	blue shoes
2	plus	a%2Bb	Yes	plus	a+b
3	symbol	%E2%89%A1	Yes	symbol	≡

No trimming, sorting, grouping, deduplication, type inference or silent replacement is applied.