Formal Language Converter
The best 50 Formal Language Converter AI tools - Free & Paid
Explore 50 AI for Formal Language Converter
AI-powered tool for converting informal messages to formal ones
Subscription
Codeconvert AI is an AI-powered tool that automates code conversion across over 25 programming languages, eliminating the need for manual conversion. It supports a wide range of programming languages and is user-friendly.
Free trial
SlangThesaurus Translator is an online tool utilizing OpenAI's ChatGPT API to interpret urban slang, colloquial expressions, and informal language. Users can input words or phrases to generate slang translations.
Free
LanguageTool is an AI grammar, spelling, and style checker supporting 30+ languages. It offers real‑time browser extensions, desktop and Word add‑ins, advanced Picky Mode, paraphrasing, and an API for developer integration.
Free
AI-based plagiarism remover rewrites duplicate text while preserving context and readability, offering modes (Word Changer, Formal, Shorten), file upload/download, 15+ languages and integrated tools for checking, paraphrasing, grammar, summarizing and citation generation and export.
Free
Formaloo is an AI-powered platform that lets users create custom forms (CRM systems, surveys, polls) effortlessly without coding. It offers advanced features like relational databases and integrations for efficient data management and collection in businesses.
Freemium
Translator Maker offers diverse translation options, converting text into various styles and dialects, from Middle English to Aussie slang. It enhances creativity by transforming ordinary phrases into playful, exaggerated versions for both casual and formal communication.
Free trial
Online Document Translator provides professional translations while preserving original formatting across various document types. It supports over 80 languages, offers batch processing, custom terminology, online editing, and ensures data privacy, making it ideal for individuals and teams.
Freemium
- $5
AI to Human Text Converter turns AI‑generated content into natural, human‑readable prose by removing AI signatures and improving flow and readability in multiple languages. Instantly rewrites drafts to sound conversational, bypassing AI‑detectors for writers, academics, and marketers.
Free
AI Text Formatter converts raw AI output into readable text by inserting line breaks, headings, bullets, and spacing while preserving meaning. It supports multiple languages and lets users quickly copy the formatted text to Word, Docs, Excel, or other apps.
Free
Writefull X is an AI writing suite for academia, offering title and abstract generators, a paraphraser, and an Academizer that converts informal text into formal scholarly language. It integrates with Word and Overleaf for real‑time editing and encrypts data for privacy.
Free
Rewrites text in seven styles—Simple, Creative, Formal, etc.—across 17 languages, preserving meaning while enhancing grammar, punctuation, and readability. Removes duplicate phrases for plagiarism‑free output and works with plagiarism/readability tools for students, writers, and SEOs.
Paid
- $3
AI Code Converter translates code snippets and natural‑language instructions into 50+ programming languages, offers code generation, debugging, optimization, and detailed explanations, and provides web and CLI interfaces for seamless IDE or pipeline integration.
Freemium
Code Converter is a web‑based tool that translates source code among 30+ programming languages. It offers an editor, instant conversion, preview, history with privacy controls, sample conversions, and quick links for popular language pairs.
Freemium
- $4.99/mo
Gramara is an AI grammar checker that flags errors and awkward phrasing in real‑time, offers style and tone suggestions, and translates corrected sentences into multiple languages, helping writers improve clarity and accuracy.
Free
BookTranslator automatically translates entire books into 168+ languages, preserving tables, images, and formatting across EPUB, PDF, DOCX, etc., within minutes. It offers side‑by‑side comparison, supports up to 300 MB files, and delivers instant downloadable copies.
Freemium
OpenL Translate converts text, PDFs, images, and audio into 100+ languages, supporting dialects and emojis. Fast mode delivers short translations; Advanced mode offers precision for legal documents. It handles 150k characters and 40 scanned PDFs daily, processing locally for privacy.
Subscription
PDFTranslator.org is a free AI tool that translates PDF documents into nearly 100 languages while perfectly preserving the original layout, images, and formatting. Simply upload your file and receive a translated copy, or an editable Word document, in just minutes with no registration required.
Free
Wondershare UniConverter is an AI‑powered all‑in‑one tool that converts, enhances, compresses, records, and edits video and audio. It supports 1,000+ formats, delivers ultra‑fast conversions, upscales to 4K/8K, adds subtitles, removes backgrounds, and preserves metadata for creators and SMBs.
Paid
Rewriter PRO AI converts machine‑generated text into natural, detector‑proof language with adjustable fluency (basic, intermediate, advanced). Users set tone—formal, creative, etc.—and target audiences across emails, proposals, blogs. It supports multiple languages and offers instant grammar correct
Free
Humanize.im converts AI‑generated text into natural, human‑like prose while preserving meaning. It supports multiple languages, offers contextual sentiment analysis, and can bypass AI detection, helping writers, marketers, educators, and SEOs across devices.
Paid
GiveMeTranslator is an online tool that allows users to create, customize, and share translators for specific languages and terminologies. It's suitable for educators, linguists, and creative writers seeking stylized or specialized translations.
Freemium
- $9.9
Resoomer summarizes web articles, PDFs, DOCX, EPUB, and plain text, extracting key points and arguments. It offers instant, editable summaries, a text editor, paraphraser, synonymizer, and word counter in multiple languages for students, researchers, writers, and professionals.
Freemium
AI Humanizer transforms AI‑generated text into natural, human‑like prose, using NLP to restructure sentences and replace repetitive patterns while preserving meaning. It supports eight languages and processes up to 5,000 words per use, aiding writers, marketers, and professionals.
Subscription
Layman Law converts legal documents into plain English, explaining terms on any webpage via a browser extension, summarizing PDFs, and providing clause‑specific translations. It also supports conversational queries, enabling users to understand contracts quickly without legal expertise.
Freemium
- $19/mo
FormBuilderGPT translates natural‑language prompts into ready‑to‑publish forms in English, Spanish, or Portuguese. It auto‑generates structured templates for events, rentals, service requests, legal authorizations, and surveys, supporting images, documents, date/time fields to streamline data collec
Freemium
AI Doc Maker produces PDFs, Word, PowerPoint, and Excel files from prompts or uploads, applying layouts, tables, and multilingual formatting. It provides templates for reports, contracts, proposals, and spreadsheets, streamlining document creation for professionals.
Freemium
DocTranslator delivers instant neural machine translation for over 120 languages, handling PDFs, DOCX, PPTX, XLSX, images and more up to 1 GB or 5,000 pages. It preserves formatting, supports conversion, and ensures secure, automated status tracking.
Freemium
- $14.99/mo
Speechify converts PDFs, DOCX, EPUB, web pages, and more into natural‑sounding audio on iOS, Android, macOS, Windows, and Chrome. It offers an AI assistant that summarizes documents while you listen, supports voice typing, and allows offline access.
Free trial
- $29/mo
Letterly instantly transcribes spoken audio into polished text, supports 90+ languages, and offers 25+ rewrite styles for emails, blogs, tweets, or bullet points. It works offline, integrates via Zapier/webhooks, and tags content for quick retrieval.
Freemium
CoeFont Interpreter offers real‑time, low‑latency voice translation for meetings in multiple languages, integrating with Zoom, Teams, Google Meet, and Discord. It supports on‑device mobile use, custom terminology, automatic transcripts, and SOC2‑compliant data security.
Subscription
TextAdviser delivers AI‑powered language tools: grammar checking, plagiarism detection, syntactic analysis, fast text generation, rewriting, tone humanization, summarization, and name/title creation. It supports English, Spanish, Portuguese, Italian, French, and German for writers, students, markete
Free
AI Humanizer turns AI‑generated text into natural language while preserving meaning. It detects AI origin with leading systems, supports 50+ languages and long documents, offers Chrome extension and API, and lets users select pre‑built models or clone their own style.
Subscription
- $8.25/mo
Uniscribe is a speech text converter that transcribes audio and video files in 98 languages, offering output formats like TXT, PDF, DOCX, and SRT. It also generates summaries, mind maps, and extracts key insights from the transcriptions.
Free trial
- $6/mo
AI Speech Generator quickly produces polished speeches—from weddings to business presentations—by setting length, tone, and key points. Users copy, download, or edit the output. Its simple interface supports all experience levels, and data remains encrypted for privacy.
Freemium
Makeform is a free AI form builder that creates customizable forms via conversational text input, supporting surveys, registrations, and payments. It offers conditional logic, branding, Google Sheets/Slack integrations, real-time analytics, and secure data handling for confidential submissions.
Freemium
RewriterPRO turns AI‑generated text into natural, human‑like language, offering tone, fluency, length, and language customization. It bypasses detectors such as Turnitin, supports bulk rewriting, and delivers SEO‑safe, consistent content on desktop or mobile.
Free
ParagraphAI offers real‑time grammar correction, one‑tap email drafting, and instant summarization of web pages and PDFs. It provides multilingual translation, customizable tone filters, a template library, and an instruction engine for repetitive tasks across mobile, desktop, and Chrome.
Free
pdfconvo is a revolutionary platform that allows users to explore PDF documents in an interactive way using GPT-4, with a commitment to privacy and security. It offers both monthly and lifetime access options.
Freemium
An AI platform that rewrites text in eight styles—Standard, Fluency, Humanizer, Simplify, Creative, Academic, Shorten, Expand—while supporting custom modes, tone settings, synonym selection, audio‑to‑text, OCR, and a research panel. Available via browser extensions, mobile apps.
Free
StealthWriter converts AI‑generated text into natural, human‑like content by correcting errors and odd phrasing across multiple languages. It includes an AI detector to confirm human likeness and supports models like ChatGPT, Claude, or Llama.
Free
- $20/mo
Sheetgod converts plain‑English queries into Excel, VBA, and Google Apps Script code, automating complex spreadsheet tasks, generating PDFs, sending emails, and creating custom add‑ons, reducing manual effort and boosting productivity for analysts and finance professionals.
Freemium
- $129/mo
AI Humanizer transforms AI‑generated text into natural prose with Basic, Aggressive, and Enhanced modes. It offers synonym suggestions, rephrase options, keyword locking, multi‑language support, and outputs grammar‑correct, low AI‑detector scores without registration.
Subscription
- $20/mo
JS2TS converts JavaScript to TypeScript with a single button click, adding type annotations while preserving functionality. It offers quick examples and supports JSON‑to‑TypeScript, CSS‑to‑JSON, and CSS‑to‑Tailwind conversions for developers, teams, and code maintainers.
Freemium
SpeechGen.io converts up to 2 million characters into high‑quality neural‑voice audio across 150 languages with 5,000 models. It allows voice, speed, pitch, volume control, SSML tags, background music, multi‑speaker tagging, downloadable formats, and a REST API.
Paid
- $4.99
Browser-based Online Audio Converter converts 300+ audio/video formats to MP3, WAV, M4A, FLAC, OGG, etc., extracts audio from video, offers bitrate/sample rate/channel controls, fade/reverse/voice removal, batch conversion, metadata editing, and cloud export.
Subscription
AI Humanizer refines text by restructuring sentences to improve flow and reduce mechanical patterns while preserving meaning. It offers adjustable rewrite modes, selective paragraph editing, keyword protection, and built‑in AI detection and plagiarism checks.
Free trial
- $8/mo
CodeLogician converts code into formal models, using neurosymbolic reasoning to build a MetaModel of dependencies across files. It generates test cases, verifies changes, finds hidden bugs, and supports regulated teams with instant, auditable software insights.
Freemium