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Agilent → mzML browser

Drop Agilent MassHunter .d folders to convert them to mzML right in your browser. Q-TOF acquisitions are parsed locally — nothing is uploaded. Profile scans are peak-picked to centroids by default.

Starting the converter…

Drop Agilent .d folder(s) here
or click to choose a folder · a parent folder of many .d works too
.d folders
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Converted
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Errors
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Spectra
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.d folderStatusInstrumentSpectra OutTime

Reads MSScan.bin / MSPeak.bin / MSProfile.bin (LZF & run-length) with MSMassCal.bin + DefaultMassCal.xml TOF calibration — validated to <0.001 ppm against ProteoWizard msconvert. Scope is Q-TOF (6520–6560); triple-quad MRM and ion-mobility .d are read for metadata but not converted. The mzML is a minimal-but-valid HUPO-PSI subset (per-scan RT, MS level, precursor m/z, uncompressed base64 arrays). This is a beta converter; for production work cross-check against msconvert.

Open-source licenses

This tool runs entirely in your browser. It is built with the open-source components listed below, whose license terms are reproduced in full. Components offered under a choice of licenses (“MIT OR Apache-2.0”, “Unlicense OR MIT”) are used here under the MIT license.

ComponentVersionLicense
agilentfile0.0.1BSD-3-Clause
agilentfile-wasm0.0.1BSD-3-Clause
bumpalo3.20.3MIT OR Apache-2.0
cfg-if1.0.4MIT OR Apache-2.0
itoa1.0.18MIT OR Apache-2.0
memchr2.8.3Unlicense OR MIT
once_cell1.21.4MIT OR Apache-2.0
proc-macro21.0.107MIT OR Apache-2.0
quote1.0.47MIT OR Apache-2.0
rustversion1.0.23MIT OR Apache-2.0
serde1.0.229MIT OR Apache-2.0
serde_core1.0.229MIT OR Apache-2.0
serde_derive1.0.229MIT OR Apache-2.0
serde_json1.0.151MIT OR Apache-2.0
syn2.0.119MIT OR Apache-2.0
syn3.0.3MIT OR Apache-2.0
unicode-ident1.0.24(MIT OR Apache-2.0) AND Unicode-3.0
wasm-bindgen0.2.127MIT OR Apache-2.0
wasm-bindgen-macro0.2.127MIT OR Apache-2.0
wasm-bindgen-macro-support0.2.127MIT OR Apache-2.0
wasm-bindgen-shared0.2.127MIT OR Apache-2.0
zmij1.0.23MIT

BSD 3-Clause License

Applies to the following components:

  • agilentfile
  • agilentfile-wasm
BSD 3-Clause License

  Copyright (c) 2026, The Regents of the University of California.
  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice, this
     list of conditions and the following disclaimer.

  2. Redistributions in binary form must reproduce the above copyright notice,
     this list of conditions and the following disclaimer in the documentation
     and/or other materials provided with the distribution.

  3. Neither the name of the copyright holder nor the names of its
     contributors may be used to endorse or promote products derived from
     this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

MIT License

Copyright is held by the respective authors of each component:

  • bumpalo — Copyright (c) 2019 Nick Fitzgerald
  • cfg-if — Copyright (c) 2014 Alex Crichton
  • itoa — Copyright (c) David Tolnay
  • memchr — Copyright (c) 2015 Andrew Gallant
  • once_cell — Copyright (c) Aleksey Kladov
  • proc-macro2 — Copyright (c) David Tolnay, Alex Crichton
  • quote — Copyright (c) David Tolnay
  • rustversion — Copyright (c) David Tolnay
  • serde — Copyright (c) Erick Tryzelaar, David Tolnay
  • serde_core — Copyright (c) Erick Tryzelaar, David Tolnay
  • serde_derive — Copyright (c) Erick Tryzelaar, David Tolnay
  • serde_json — Copyright (c) Erick Tryzelaar, David Tolnay
  • syn — Copyright (c) David Tolnay
  • syn — Copyright (c) David Tolnay
  • unicode-ident — Copyright (c) David Tolnay
  • wasm-bindgen — Copyright (c) 2014 Alex Crichton
  • wasm-bindgen-macro — Copyright (c) 2014 Alex Crichton
  • wasm-bindgen-macro-support — Copyright (c) 2014 Alex Crichton
  • wasm-bindgen-shared — Copyright (c) 2014 Alex Crichton
  • zmij — Copyright (c) David Tolnay
Permission is hereby granted, free of charge, to any person obtaining a copy of
  this software and associated documentation files (the "Software"), to deal in
  the Software without restriction, including without limitation the rights to
  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  the Software, and to permit persons to whom the Software is furnished to do so,
  subject to the following conditions:

  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Unicode License v3

Applies to unicode-ident, which is additionally licensed under the Unicode License v3.

UNICODE LICENSE V3

  COPYRIGHT AND PERMISSION NOTICE

  Copyright © 1991-2023 Unicode, Inc.

  Permission is hereby granted, free of charge, to any person obtaining a copy of
  data files and any associated documentation (the "Data Files") or software and
  any associated documentation (the "Software") to deal in the Data Files or
  Software without restriction, including without limitation the rights to use,
  copy, modify, merge, publish, distribute, and/or sell copies of the Data Files
  or Software, and to permit persons to whom the Data Files or Software are
  furnished to do so, provided that either (a) this copyright and permission
  notice appear with all copies of the Data Files or Software, or (b) this
  copyright and permission notice appear in associated Documentation.

  THE DATA FILES AND SOFTWARE ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD
  PARTY RIGHTS.

  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS NOTICE BE
  LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY
  DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  CONNECTION WITH THE USE OR PERFORMANCE OF THE DATA FILES OR SOFTWARE.

  Except as contained in this notice, the name of a copyright holder shall not be
  used in advertising or otherwise to promote the sale, use or other dealings in
  these Data Files or Software without prior written authorization of the copyright
  holder.