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The telecom & network engineer's toolbox

30+ tools for RAN, IP / transport and data center work – audit, plan, generate and report in minutes. Built by a field engineer, runs in your browser, your files stay on your computer.

Free calculatorsLTE · 5G NRNokia · Cisco · Huawei · JuniperEnglish · Tiếng Việt
Open the app → Try the free calculators
🔒 Private by designFiles are processed locally in your browser – nothing is uploaded.
📍 Every finding is actionableClick any warning to jump to the exact row, line or parameter with a proposed fix.
📂 Drop any fileDrag a log, SCF, configuration or Excel anywhere – the right tool opens automatically.
📲 Works like an appInstall it from the browser, keep run history, compare with the last run, export PDF / Excel.

📡 RAN – Radio Access Network

Site configuration, PCI / neighbor planning, RAML generation and alarm analysis for LTE and 5G NR.

PCI, RSI & Neighbor Audit with Google Earth Map

Audit LTE / 5G NR PCI collisions, mod 3 conflicts, RSI reuse and neighbor relations, get conflict-free PCI proposals and a KML map.

PRO

Drive-Test Log Map (RSRP / SINR / RSRQ)

Plot drive-test / walk-test logs on a map colored by RSRP, SINR, RSRQ and more, with stats and a Google Earth export.

PRO

Nokia Site Configuration Analyzer (SCF / RAML XML)

Bulk-analyze Nokia SBTS SCF / RAML XML files: summarize every managed object to Excel, filter by plan, quick site lookup and routing view.

PRO

Nokia BTS Site Simulator (SCF)

Visualize a Nokia SBTS site from its SCF: hardware, cells, transport, issues with fix proposals and a site load plan.

PRO

RAML / SCF Compiler for New Sites

Generate RAML (NetAct), SCF, NE_Integrate and UpdateName files for many new sites from one template site, a Datafill and a CDD.

PRO

RAN – Transport Binding Check

Compare each radio plane of Nokia sites with the VPRN / IES interfaces of the transport router and report Bound / Misconfigured / Not Bound.

PRO

Mobile Network Alarm Analysis

Summarize alarm exports from NetAct / NSP / WebEM by severity, site and code, find long-standing and repeating alarms and get troubleshooting hints.

PRO

🌐 IP / Transport Network

Configuration compare & generation, PTP sync audit, LLDP maps, IP planning and bulk network checks.

PTP / SyncE Synchronization Audit (Nokia SR OS)

Audit PTP and SyncE from router logs: clock tree, lock state, clock class, domain, offset – and compare before / after a change.

PRO

Network Map from LLDP / CDP

Draw a network diagram from show lldp / cdp neighbors outputs of Cisco, Huawei and Nokia devices, flag one-way links, export draw.io / SVG.

PRO

Multi-Router Routing Audit (BGP / OSPF / VRF)

Audit BGP, OSPF, VRF and interfaces across many router configs at once – like Batfish, but in your browser.

PRO

Network Configuration Compare (Before / After)

Compare two router / switch configurations block by block and get the commands to turn the old version into the new one (or roll back).

Free

Bulk Configuration Generator (Template + Excel)

Generate one configuration file per Excel row from a template with variables, filters and conditional lines; download as ZIP.

PRO

IP Toolbox: Subnet Analyzer, VLSM, Route Summarization

Free IP toolbox: analyze subnets, detect overlaps and duplicates, summarize routes, split subnets / VLSM and extract IPs from any text.

Free

Ping From Site (Nokia SBTS)

Build and run ping tests from Nokia sites with the right source IP per plane: gateways, ToP, NTP, NetAct, MME, S-GW and X2 neighbors.

PRO

Bulk TCP Port Check

Check SSH, Telnet, web, NETCONF, BGP, RDP and database ports on many hosts at once – like telnet / nc for a whole list.

PRO

Bulk Ping (Once / Continuous)

Ping hundreds of IPs or subnets at once or continuously, see reachable / unreachable lists and export results.

PRO

Auto Login to Device Web Pages

Open and log in to many device web interfaces (e.g. Nokia WebEM) automatically, accept login banners and collect failures.

PRO

Network Change Request (CR / MoP) Builder

Build a complete change request workbook – scope, plan, staff, node scripts, rollback and checklist – from a node table and a template.

PRO

Smart Rollout Progress Report

Read Google Sheets / Excel rollout trackers, detect milestone columns automatically and produce daily / weekly / monthly reports.

PRO

🗄️ Data Center

Rack inventory, power, fabric cabling, IP/VLAN audits, configuration hardening and cloud health checks.

IP / VLAN Planning

Plan IP ranges and VLANs for server rooms and sites, list usable IPs and export / re-import the planning Excel.

Free

Data Center Rack & Device Inventory

Read any inventory Excel, draw rack elevations and find overlapping U, duplicate serials and unracked devices.

PRO

Rack Power & Capacity Report

Compute power per rack against a budget, warn on thresholds and find space for a new device.

PRO

Leaf–Spine Fabric Cabling Check

Validate wiring plans and cable maps: missing spine uplinks, duplicate ports / IPs, broken serials, split breakouts – and print cable labels.

PRO

Multi-site IP / VLAN Audit

Audit IP / VLAN tables across sites: subnet reuse, duplicate VLANs, overlaps and wrong gateways – from CIQ-style workbooks.

PRO

Switch / Router / Linux Configuration Audit (CIS-style)

Check Cisco, Huawei, Nokia and Linux server configurations against CIS-style rules: SSH, passwords, NTP, syslog, SNMP, services and more.

PRO

CMG / vEPG KPI Report (NetAct)

Turn NetAct exports and 3GPP measurement files into average / max / P95 KPIs, threshold breaches and a ready email.

PRO

CBIS HealthCheck & Certificate / Password Expiry

Read Nokia CBIS health-check and expiry logs, flag critical services, NTP drift, expired certificates and passwords.

PRO

📐 Calculators & Support

Free telecom calculators, serial / warranty lookup and vendor ticket drafting.

Telecom Calculator: EARFCN, NR-ARFCN, Link Budget, Coverage

Free online telecom calculators: EARFCN / NR-ARFCN / UARFCN / ARFCN to frequency, LTE/5G coverage radius, microwave and fiber link budgets.

Free

EARFCN & NR-ARFCN to Frequency Calculator

Convert LTE EARFCN, 5G NR-ARFCN, WCDMA UARFCN and GSM ARFCN to DL/UL frequency and band – free, instant, in your browser.

Free

LTE / 5G NR Coverage Radius & Site Count Calculator

Estimate LTE and 5G NR cell radius from a downlink RSRP and uplink link budget, inter-site distance and number of sites for an area.

Free

Microwave Link Budget & Fresnel Zone Calculator

Free microwave LOS link budget: free-space path loss, received level, fade margin, Fresnel radius, earth bulge and required clearance.

Free

Fiber Optic Power Budget Calculator

Compute fiber link loss, receive level, remaining margin and maximum distance for SFP / optical links – with overload warning.

Free

Serial / Warranty Lookup

Find serial numbers across project device lists, detect duplicates, malformed serials and quantity mismatches.

PRO

Vendor Support Ticket Builder

Draft a complete vendor support ticket email with contract / SA, scope, severity and log-collection reminders.

PRO