Stop Maintaining Yesterday's Code. Start Building Tomorrow's Business.
Your enterprise runs on COBOL. Your COBOL developers are retiring. Your mainframe costs keep climbing.
Ispirer Toolkit is the automated COBOL conversion platform trusted by 2,000+ engineers worldwide — migrating legacy COBOL applications to Java, C#, and Python accurately, predictably, and on schedule.
COBOL still processes over $3 trillion in daily commerce. But the infrastructure running it is expensive, fragile, and increasingly unmaintainable.
COBOL modernization means transforming your legacy source code into modern programming languages — Java, C#, Python — while keeping every line of business logic intact. No rewriting from scratch. No guesswork.
Explore Conversion PathsManual rewriting is too slow and too expensive. That's why automated COBOL conversion tools exist — and why Ispirer Toolkit is the tool enterprises actually use.
Ispirer's COBOL application modernization methodology is built around predictability.
Before a single line of target code is written, you know what to expect — scope, timeline, quality benchmarks, and delivery milestones.
Not a generic transpiler. A configurable, production-grade COBOL migration tool engineered for organizations that can't afford errors in transition.
Handles COBOL data type conversion, date conversion in COBOL, COPYBOOK processing, PERFORM/CALL hierarchies, and file I/O translation — all areas where generic tools fail.
Test Ispirer Toolkit
on your own COBOL code in under
30 minutes
Get started — it’s free
2–3× faster delivery vs. manual conversions
Full business logic preservation - nothing rewritten from scratch
Configurable to your codebase - no generic output
Cloud-ready code - deploy to any modern OS or cloud platform
Reduced maintenance costs - no COBOL specialist dependency going forward
Security-first - on-premise options for financial and government workloads
Manual conversion of enterprise COBOL legacy mainframes can take years and cost millions. Ispirer Toolkit compresses the same scope into weeks and months, with consistent quality that human teams under deadline pressure rarely achieve.
Tools like ChatGPT can produce rough COBOL-to-Java sketches for simple programs, but they cannot handle real-world enterprise COBOL: nested COPY statements, multi-system JCL dependencies, or the nuanced COBOL data type conversion rules that govern financial calculations. Ispirer is purpose-engineered for production-grade migration at scale.
Running COBOL emulators in the cloud is not modernization — it's postponing the problem while paying cloud fees on top of legacy licensing costs. True COBOL to cloud migration means running native modern code in your target environment, which is exactly what Ispirer delivers.
Mixon, Magnit, CardinalHealth, and more have used Ispirer tools to accelerate and manage their end-to-end innovation lifecycle
Migration project
50%
Migration time reduction
2 MLN
Lines of code
75%
Аutomation achieved
"We have found the Ispirer team to be knowledgeable and responsive, and we have found the tooling to be flexible enough to be easily adapted to our coding conventions."
Migration project
6-month
Migration time reduction
100K+
Lines of code
200+
COBOL programs
"Ispirer Toolkit enabled us to efficiently convert 200 COBOL programs with over 100,000 lines of code to Java. The tool produced high-quality, maintainable code, allowing our team to focus on infrastructure rather than conversion. Ispirer’s support was exceptional, often resolving issues within one business day."
Migration project
95%
Аutomation achieved
200K+
Lines of code
75%
Migration time reduction
"Ispirer provided a full-cycle migration service, converting over 200,000 lines of Informix 4GL to Oracle PL/SQL with 95% automation. Their expertise, customizations, and commitment to quality ensured a seamless transition. We highly recommend Ispirer for complex migration projects."
Migration project
80%
Аutomation achieved
400K+
Lines of code
50%
Migration time reduction
"At the onset of the engagement, the Ispirer MnMTK was expanded to meet the specific requirements of our migration prior to being delivered for our use. Once this phase of the project was complete, we were provided with the expanded toolkit."
Migration project
70%
Аutomation achieved
250K+
Lines of code
50%
Migration cost reduction
"We were impressed with the knowledge, professionalism, hard work, and enthusiasm of the Ispirer team. Through this Migration Project, we have a solid base for further expanding our application."
Migration project
75%
Аutomation achieved
20K
Lines of code
50%
Migration time reduction
"We had an old Borland Delphi 7.0 project, which was brought back to life. Ispirer had offered us a timely and financially attractive conversion of the application. The work was performed promptly."
Your legacy systems hold decades of irreplaceable business logic. COBOL conversion isn't about throwing that away — it's about liberating it from aging infrastructure so it can power modern applications for decades more.
Ispirer has delivered COBOL modernization solutions across banking, insurance, retail, and government — from 100K-line pilots to multi-million-line enterprise transformations.
30 minutes. Clear scope, realistic timeline, tailored strategy
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