--- title: "Free SMS, WhatsApp and RCS tools" description: "Count SMS segments, build WhatsApp links and QR codes, preview templates, clean phone lists and decode delivery reports. Free, no sign-up, and everything runs in your browser." canonical: "https://omnichannels.ai/tools/" language: "en" updated: "2026-10-11" publisher: "BroadNet Technologies" brand: "OmniChannels.ai" --- # Free SMS, WhatsApp and RCS tools Canonical: https://omnichannels.ai/tools/ Language: en Publisher: OmniChannels.ai by BroadNet Technologies Count SMS segments, build WhatsApp links and QR codes, preview templates, clean phone lists and decode delivery reports. Free, no sign-up, and everything runs in your browser. - [SMS character and segment counter](https://omnichannels.ai/tools/sms-character-counter/): Count SMS characters and segments live, see GSM-7 vs Unicode, and fix characters that force Unicode. - [WhatsApp link generator](https://omnichannels.ai/tools/whatsapp-link-generator/): Build a wa.me click-to-chat link with a pre-filled message, number validation and UTM tracking. - [WhatsApp QR code generator](https://omnichannels.ai/tools/whatsapp-qr-code-generator/): Create a WhatsApp QR code with logo, contrast check and PNG, SVG or printable card downloads. - [Phone number formatter, validator and list cleaner](https://omnichannels.ai/tools/phone-number-formatter/): Convert numbers to E.164, validate them, detect mobiles and clean bulk lists for SMS and WhatsApp. - [WhatsApp template preview and checker](https://omnichannels.ai/tools/whatsapp-template-preview/): Build and preview WhatsApp templates on a phone, check them against Meta's limits and export the API JSON. - [RCS rich card builder and preview](https://omnichannels.ai/tools/rcs-card-builder/): Design RCS rich cards and carousels, preview a verified sender and check SMS fallback length. - [SMS delivery report (DLR) decoder](https://omnichannels.ai/tools/sms-delivery-report-decoder/): Decode SMPP delivery receipts and command_status codes: stat, err, dates, latency and batch summaries. - [WhatsApp chat button for your website](https://omnichannels.ai/tools/whatsapp-chat-button/): Create a floating WhatsApp chat button with live preview and copy-paste code for any website. - [WhatsApp Text Formatter](https://omnichannels.ai/tools/whatsapp-text-formatter/): Make WhatsApp text bold, italic, strikethrough or monospace, add lists and quotes, and preview it live. - [OTP Message Generator for SMS and WhatsApp](https://omnichannels.ai/tools/otp-message-generator/): Generate OTP SMS and WhatsApp verification messages with Android and iOS autofill formats and segment counts. - [SMS sender ID checker by country](https://omnichannels.ai/tools/sender-id-checker/): Check a sender ID against 77 countries' rules: length, characters, AD- prefix, registration and lead time. - [Sender ID authorization letter generator (LOA and NOC)](https://omnichannels.ai/tools/sender-id-letter-generator/): Create a ready-to-sign sender ID LOA or NOC in English, Arabic or bilingual, as PDF or Word. - [SMS send time planner (quiet hours by country)](https://omnichannels.ai/tools/send-time-planner/): See local time, quiet hours and the earliest compliant SMS send time for every destination country. - [SMS and WhatsApp Message Templates](https://omnichannels.ai/tools/message-templates/): 90 SMS, WhatsApp and RCS templates by industry and use case, including Ramadan, Eid and White Friday. - [Messaging ROI Calculator: SMS vs WhatsApp](https://omnichannels.ai/tools/messaging-roi-calculator/): Compare SMS and WhatsApp cost, cost per conversion and ROI by country, volume and use case. - [WhatsApp Business API Pricing Calculator](https://omnichannels.ai/tools/whatsapp-pricing-calculator/): Estimate Meta's WhatsApp charges by country and category, with free tiers, ad windows and volume tiers. - [SMS and WhatsApp Reseller Margin Calculator](https://omnichannels.ai/tools/reseller-margin-calculator/): Work out margin per message, monthly profit and break-even for reselling SMS and WhatsApp. - [SMS Pumping Fraud and OTP Cost Calculator](https://omnichannels.ai/tools/sms-pumping-fraud-calculator/): Estimate SMS pumping losses and cost per verified user on SMS, WhatsApp first and with fraud controls. - [WhatsApp Business API Readiness and Meta Verification Checklist](https://omnichannels.ai/tools/whatsapp-api-readiness-checklist/): Score your WhatsApp API readiness and get the Meta verification documents for your country, plus fixes. - [Click-to-WhatsApp Ads ROI and Cost Calculator](https://omnichannels.ai/tools/click-to-whatsapp-ads-roi-calculator/): Model Click-to-WhatsApp ad spend, Meta fees and reply speed to get cost per lead, cost per sale and ROAS. - [GCC & MENA messaging marketing calendar 2027](https://omnichannels.ai/tools/messaging-marketing-calendar/): Ramadan, Eid, national days and sales for 2027, with send times, channels and ICS or CSV export. - [SMS, WhatsApp and CPaaS provider RFP kit](https://omnichannels.ai/tools/messaging-provider-rfp-kit/): Generate an SMS, WhatsApp or CPaaS RFP in English or Arabic, with a weighted vendor scorecard. - [WhatsApp Business Auto-Reply Generator](https://omnichannels.ai/tools/whatsapp-auto-reply-generator/): Write WhatsApp Business greeting, away, quick reply and Ramadan messages in Arabic, English and more. - [WhatsApp Display Name Checker](https://omnichannels.ai/tools/whatsapp-display-name-checker/): Check a WhatsApp Business display name against Meta's guidelines, with Arabic support and suggestions. - [WhatsApp Green Tick Eligibility Checker](https://omnichannels.ai/tools/whatsapp-green-tick-checker/): Check if your business qualifies for the WhatsApp verified badge and get a gap list and application kit. - [SMS and WhatsApp Opt-in Consent Generator](https://omnichannels.ai/tools/opt-in-consent-generator/): Generate SMS and WhatsApp opt-in wording, double opt-in, STOP replies and consent records. - [SMS and WhatsApp Privacy Policy and Terms Generator](https://omnichannels.ai/tools/sms-privacy-policy-generator/): SMS and WhatsApp privacy policy clauses and messaging terms, in English and Arabic. - [WhatsApp Flows JSON Templates and Previewer](https://omnichannels.ai/tools/whatsapp-flows-templates/): Copy-ready WhatsApp Flows JSON in six languages, with a phone previewer and a validator. - [10DLC and Toll-Free Registration Kit](https://omnichannels.ai/tools/10dlc-registration-kit/): Generate a 10DLC campaign description, sample messages, opt-in flow and HELP/STOP replies that match. - [IVR Script Generator with Voice OTP](https://omnichannels.ai/tools/ivr-script-generator/): Write bilingual Arabic and English IVR menus and a voice OTP script, with call flow, timings and SSML.