The Best gRPC Tools in 2026
We researched gRPC tools from official websites, including pricing pages, plan tables, and product documentation. Rankings focus on each product’s core gRPC workflow, value for money, and verified features for designing, inspecting, debugging, testing, and documenting services.
Our top picks
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Top ranked
Bandura#1 of 249.4/10A free, cross-platform gRPC tester with strong offline, CLI, and CI coverage.
Free plan
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Runner-up
Kreya#2 of 249.2/10A broad desktop API client for gRPC, REST, GraphQL, WebSocket, and SSE workflows.
Free plan · 10-day trial
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Top-ranked free plan
FintX#3 of 248.9/10A focused gRPC desktop test bench for invocation, functional checks, mocks, and load testing.
Free plan
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
The full ranking 24 tools, best first
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Best forFree, full-featured gRPC testing across platforms
A free, cross-platform gRPC tester with strong offline, CLI, and CI coverage.
- CI integration
- Server reflection
9.4/10★★★★★Visit Bandura -
Best forTeams wanting broad API testing and CI workflows
A broad desktop API client for gRPC, REST, GraphQL, WebSocket, and SSE workflows.
Free plan · 10-day trial Our Kreya verdict → Visit KreyaFor vendors Sponsor this spot · #2 · $99/mo →9.2/10★★★★★Visit Kreya -
Best forTeams needing testing, mocking, and load testing
A focused gRPC desktop test bench for invocation, functional checks, mocks, and load testing.
- Load testing
- Mock server
- Server reflection
8.9/10★★★★☆Visit FintX -
Best forFree desktop users needing complete RPC coverage
A free, open-source desktop client with broad gRPC and gRPC-Web coverage.
- gRPC-Web support
- Server reflection
8.5/10★★★★☆Visit BloomRPC -
Best forDevelopers wanting a browser-based gRPC client
A focused open-source client for exploring gRPC requests through a local browser UI.
- Server reflection
8.3/10★★★★☆Visit grpcui -
Best forCLI users who need interactive and scripted RPC calls
A capable open-source CLI for inspecting, invoking, and scripting gRPC APIs.
- gRPC-Web support
- Server reflection
8.2/10★★★★☆Visit Evans -
Best forScripted command-line gRPC inspection and invocation
A focused, free CLI for inspecting and invoking gRPC services.
8.1/10★★★★☆Visit grpcurl -
Best forTeams building sophisticated self-hosted gRPC mocks
A capable self-hosted gRPC mock server for complex streaming and CI workflows.
- gRPC-Web support
- CI integration
- Mock server
8.0/10★★★★☆Visit GripMock -
Best forFree gRPC performance testing and benchmarking
A focused, free open-source toolkit for gRPC load testing and performance regression checks.
- Load testing
- CI integration
- Server reflection
7.8/10★★★★☆Visit ghz -
Best forSelf-hosted browser-based gRPC request exploration
A capable self-hosted browser UI for discovering and exercising gRPC services.
- Server reflection
7.7/10★★★★☆Visit gRPC Studio -
Best forFree cross-platform terminal-based gRPC work
A free, cross-platform terminal tool for inspecting and calling gRPC services.
- Server reflection
7.6/10★★★★☆Visit grpcmd -
Best forBrowser-based gRPC testing with GitHub workflows
A focused gRPC client for browser-based testing, protobuf workspaces, and GitHub imports.
7.4/10★★★★☆Visit ProtoCall -
Best forMinimal open-source CLI inspection and calling
A focused open-source CLI for inspecting protobufs and invoking gRPC methods.
- Server reflection
7.2/10★★★★☆Visit gRPC CLI -
Best forSelf-hosted JSON-focused gRPC exploration
A focused self-hosted CLI for exploring gRPC services with JSON payloads.
- Server reflection
7.1/10★★★★☆Visit Granc -
Best forTerminal users wanting saved and editable RPC requests
A focused open-source gRPC client for terminal-based request workflows.
- Server reflection
6.9/10★★★☆☆Visit WireMan -
Best forSimple reflection-driven gRPC request workflows
A focused desktop tool for reflection-driven gRPC request workflows.
- Server reflection
6.8/10★★★☆☆Visit Chiko -
Best forTeams exposing gRPC through Swagger-style interfaces
A focused, self-hosted bridge from reflected gRPC services to Swagger-style exploration.
- Server reflection
6.7/10★★★☆☆Visit gRPC Swagger -
Best forSelf-hosted WireMock-style gRPC mocking
A self-hosted gRPC mock server for contract-driven service and integration testing.
- Mock server
6.6/10★★★☆☆Visit grpc-wiremock -
Best forJava and Spring teams mocking gRPC in tests
A focused open-source choice for Java teams testing unary and streaming gRPC calls.
- Mock server
6.5/10★★★☆☆Visit grpcmock -
Best forGo tests requiring programmable gRPC mock servers
A focused open-source choice for programmable gRPC mocks in Go test suites.
- Mock server
6.4/10★★★☆☆Visit grpcmock-go -
Best forDesktop users debugging and rewriting gRPC traffic
A focused desktop proxy for decoding, inspecting, and redirecting gRPC traffic.
6.3/10★★★☆☆Visit Mediator -
Best forTeams generating documentation from protobuf contracts
A focused, free tool for turning protobuf contracts into shareable documentation.
6.2/10★★★☆☆View protoc-gen-doc -
Best forAutomated static protobuf and gRPC documentation builds
A focused open-source choice for automated static Protobuf and gRPC documentation builds.
6.1/10★★★☆☆Visit sabledocs -
Best forSelf-hosted interactive gRPC reference documentation
A focused, open-source way to publish interactive gRPC reference documentation.
6.0/10★★★☆☆Visit grpc-docs
No tools match those filters.
Compare at a glance
| # | Tool | Free plan | Paid from | Deployment model | Server reflection | Score |
|---|---|---|---|---|---|---|
| 1 | Bandura | Yes | Free | Desktop | Yes | 9.4 |
| 2 | Kreya | Yes | $5/user/mo | 9.2 | ||
| 3 | FintX | Yes | Desktop | Yes | 8.9 | |
| 4 | BloomRPC Extended | Yes | Free | Desktop | Yes | 8.5 |
| 5 | grpcui | Yes | Free | Desktop | Yes | 8.3 |
| 6 | Evans | Yes | Free | Self_hosted | Yes | 8.2 |
| 7 | grpcurl | Yes | Free | 8.1 | ||
| 8 | GripMock | Free | Self_hosted | Yes | 8.0 | |
| 9 | ghz | Yes | Free | Self_hosted | Yes | 7.8 |
| 10 | gRPC Studio | Free | Self_hosted | Yes | 7.7 | |
| 11 | grpcmd | Yes | Free | Desktop | Yes | 7.6 |
| 12 | ProtoCall | Yes | Cloud | 7.4 | ||
| 13 | gRPC CLI | Free | Desktop | Yes | 7.2 | |
| 14 | Granc | Free | Self_hosted | Yes | 7.1 | |
| 15 | WireMan | Free | Desktop | Yes | 6.9 | |
| 16 | Chiko | Free | Desktop | Yes | 6.8 | |
| 17 | gRPC Swagger | Free | Self_hosted | Yes | 6.7 | |
| 18 | grpc-wiremock | Free | Self_hosted | 6.6 | ||
| 19 | grpcmock | Free | Self_hosted | 6.5 | ||
| 20 | grpcmock-go | Yes | Free | 6.4 | ||
| 21 | Mediator | Free | 6.3 | |||
| 22 | protoc-gen-doc | Free | Self_hosted | 6.2 | ||
| 23 | sabledocs | Yes | Free | Self_hosted | 6.1 | |
| 24 | grpc-docs | Free | Self_hosted | 6.0 |
Head-to-head All 28 comparisons →
- Bandura vs Kreya
- Bandura vs FintX
- Bandura vs BloomRPC Extended
- Bandura vs grpcui
- Bandura vs Evans
- Bandura vs grpcurl
- Bandura vs GripMock
- Kreya vs FintX
- Kreya vs BloomRPC Extended
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How we rank gRPC tools
Every tool on this page was researched by iTechGuides Editors from its official website — pricing pages, plan tables and product documentation. We rank on how well each one does this category's core job, what the free or entry plan includes, and where it falls short. Where we have enough verified facts, the score out of 10 is a rubric — job fit, value and how much we could verify — shown with its breakdown on every tool's page; a tool we have not verified enough to score yet shows its rank without a number. Scores are re-checked when a product changes its plans. Read the full editorial policy, or submit a tool we missed.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update