Upload your ECU file, pick the operation, download. Free pre-analysis: see what applies first.
A RemapCloud product
Upload your file → select an applicable operation → download the result. RemapCloud shows what applies to your file and processes your selection automatically. The pre-check is free; credits are refunded if the operation cannot be delivered.
Hex, 2D and 3D editing in the browser — no installation. Maps are found and named automatically.
Support response time is 1–5 business days. If no automatic solution comes up, request a solution for that file from your panel: the file goes to our team, no credit is charged for the request, and its status appears in the Support & Requests tab.
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From passenger cars to heavy machinery — proven solutions across every segment.
Compatibility
Pick a vehicle type, click a brand — see the supported ECUs. E.g. Car → Fiat → MARELLI MJD8 (ALL).
Modules
A one-step, ever-growing library of verified solutions.
Control Units
From Bosch to Marelli — all major ECU manufacturers.
Built-in Engine
Checksum correction happens inside the platform, in a separate tab: 1 credit, charged only when the result is ready. Some newer-generation ECUs (RSA-signed) need an external tool; the system detects this and warns you. Upload your file — the system detects the ECU and returns only your own file with the checksum fixed.
Checksum correction: when it is done and when you need an external tool →
Browser-Based Map Editor
No installation, no licence dongle — your file is open the moment you sign in. Hex, 2D and 3D editing, ready-made mappacks and an automatic DTC module in one screen.
Membership & Packages
Pick a package for your vehicle type — RemapChecksum is available in every package (checksum job: 1 credit). Credits are spent per job; no credit is charged when no result is produced.
What is the annual licence? It is the renewal fee paid every year after the package's first purchase; each renewal loads the package's credits to your account again.
Credits are charged only on successful delivery; a job that cannot be delivered is refunded.
Flow
Safe output in four steps.
Upload your original ECU file — the system identifies the ECU and shows the operations that apply to your file. This pre-check is free; if your file isn't recognised, request a solution from the panel.
Only genuinely applicable solutions (DPF / EGR / Stage…) are enabled; the rest stay dimmed.
The solution is verified at byte level as it is applied; if one of your selected operations cannot be applied, the file is not delivered and the credit is refunded.
Download the output. If a checksum is needed, fix it with RemapChecksum in the Checksum tab; do a final check before flashing.
How the software processes your file → · Edit maps yourself: ECU remapping software → · What to look for in the best chiptuning software → · How to upload an Autotuner, Flex, KESS3 or Dimsport file → · What is chiptuning? Read the guide → · Free ECU identification: upload your file, see your ECU →
From the blog: Volvo Denso families: 396 solutions and E85 flex-fuel on construction machinery · Construction machinery ECUs: Delphi DCM3.7, DCM7.24 and Bosch EDC17C49 · All articles →
Difference
Every automatically processed output is checked at byte level; a result that cannot be verified is clearly labelled. In a credit job, if one of the selected operations cannot be applied, the file is not delivered and the credit is refunded automatically.
Detects the vehicle and ECU from the file and offers only applicable solutions — usually in under a minute.
Checksum correction inside the platform with RemapChecksum, in a separate tab. RSA-signed newer-generation ECUs need an external tool; the system warns you.
Encrypted accounts, multi-factor authentication (MFA), session protection and a protected admin panel.
Help
The most common questions.
Every automatically processed output is checked at byte level; a result that cannot be verified is clearly labelled. In a credit job, if one of your selected operations cannot be applied or the output fails the independent check, the file is not delivered automatically and the credit is refunded. Still, keep a backup of your original file before flashing.
The file is not delivered and the credit is refunded. You are told which operation could not be applied.
No. If the analysis detects that an operation is already applied in your file, its card cannot be selected and the request is rejected without charging a credit. The same rule applies to operations that are partly applied or whose state cannot be determined.
If the analysis predicts that the solution will only partly fit your file, the operation card says 'partly applied' before you select it. This is a prediction; the outcome is stated in the delivery report.
No. The checksum is not corrected in the processed file, so the file is not ready to be written as it is. Before writing, correct the checksum in the RemapChecksum tab, or write the file with your reading tool if it corrects the checksum while writing.
Yes, inside the platform in a separate tab: 1 credit, charged only when the result is ready. Upload your file — the built-in RemapChecksum auto-detects the ECU, asks for the original if needed, and returns only your own file with the checksum fixed. Some newer-generation ECUs (RSA-signed) need an external tool; the system detects this and warns you.
The software is tool-independent: you upload the original file read from the ECU. Files read with tools such as Autotuner, Flex (Magicmotorsport), Dimsport and KESS3 are used this way; you write the file back to the vehicle with your own tool. We have no partnership with these brands; their names are mentioned for compatibility only.
Yes, it is on sale. It is for chiptuning workshops and tuners who read and write files with their own tool and want to make their own files without waiting for anyone else: Stage 1, DPF, EGR, AdBlue and module operations. "AI-assisted" means automatic identification of your file and matching it with a verified solution; an operation that does not fit your file is not offered or is clearly marked.
Bosch, Siemens/VDO, Continental, Delphi, Magneti Marelli, Denso and more. Use the Compatibility section above to pick a manufacturer and see the supported ECUs.
Cars, trucks, tractors, machinery, marine engines and motorcycles. Access depends on your package (Car package = cars, Full package = all vehicle types).
A module job costs 1 credit (any number of modules in one job); Stage 1 costs 2 credits for cars/bikes and 3 credits for trucks, tractors and construction machines. With Stage 1, each module you add costs +1 credit (Stage 1 + 1 module: 3 credits for cars/bikes, 4 credits for trucks, tractors and construction machines). You load credits by buying a package. No credit is charged for a job without a result.
PayPal (you can use your credit card through PayPal).
Latest
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