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WLOC

map link to coordinates on iPhone

Turn a shared map link into a reusable iPhone test coordinate

WLOC accepts common map links and coordinate text, validates the range, records the source coordinate system, and normalizes the internal target to WGS84.

Paste the link; verify the source before saving the target

Apple Maps and Google Maps commonly expose WGS84-style coordinates, while mainland-China map data may use GCJ-02 or BD-09. WLOC keeps the original context, shows conversion warnings, and stores a normalized WGS84 target so the same QA point can be repeated.

Turn real map input into structured coordinates

The parser accepts direct latitude and longitude plus common Apple Maps, Google Maps, Amap, and Baidu links. It extracts a place name and coordinates from URLs, query parameters, or a bounded page response, then returns the source, confidence, original system, and warnings.

  • Input length is bounded, and coordinates must stay within latitude ±90 and longitude ±180.
  • Short links follow only a limited number of redirects; local, private-network, and cloud-metadata addresses are rejected.
  • Unrecognized input returns a clear error instead of inventing a plausible location.

Use one canonical WGS84 model internally

Different maps may expose WGS84, GCJ-02, or BD-09. WLOC preserves the original values and system while normalizing the internal target to WGS84, rounded to six decimal places for reusable favorites, routes, and regression baselines.

  • Amap and some mainland-China map contexts are treated as GCJ-02.
  • Baidu inputs are treated as BD-09 and converted through GCJ-02 to WGS84.
  • Domestic offset conversion is skipped outside mainland China, and conversion warnings disclose possible meter-level error.

Keep favorites, routes, and profiles on the iPhone by default

WLOC encodes the current target, favorites, routes, device profile, diagnostic events, and settings as JSON, then writes the snapshot atomically to the app's Application Support directory. The app restores from that snapshot without requiring a cloud account.

  • Saved places and routes are not uploaded into a searchable coordinate history by default.
  • Resetting or uninstalling the app removes the local snapshot; export is user initiated.
  • Parsing and conversion requests serve a real-time response, while website analytics are disclosed separately.

Turn a shared map link into a reusable iPhone test coordinate

  1. Input

    Map link or coordinates

  2. Parse

    Source and original system

  3. Normalize

    Canonical WGS84

Convert one real map share into a repeatable QA point

Open WLOC, paste a supported map link or latitude-longitude text, inspect the detected coordinate system, and save only after the map context matches.

Frequently asked questions

Paste the link; verify the source before saving the target

Apple Maps and Google Maps commonly expose WGS84-style coordinates, while mainland-China map data may use GCJ-02 or BD-09. WLOC keeps the original context, shows conversion warnings, and stores a normalized WGS84 target so the same QA point can be repeated.

What is the difference between WGS84, GCJ-02, and BD-09?

They are different coordinate representations. WLOC preserves the original coordinate and normalizes the internal target to WGS84, with a meter-level warning for mainland-China conversions.

Does WLOC directly change the iPhone GPS hardware?

No. WLOC works with a supported network-location test path. It does not write to the GPS receiver or globally override Core Location.

Why can a map show the target while another app still shows the real place?

The target app may use strong GPS, cache, different permission, IP region, account rules, or server checks. Compare its evidence with the WLOC diagnostic timeline.

What data stays on the iPhone by default?

The current target, favorites, routes, device profile, diagnostic events, and settings are stored as a JSON snapshot in the app's Application Support directory.