Digital Signature
The best 50 Digital Signature AI tools - Free & Paid
Explore 50 AI for Digital Signature
AI Signature Generator creates custom digital signatures for PDFs, Word documents, and emails directly in the browser, supporting typed or handwritten input, adjustable fonts and colors, instant download, and privacy‑preserving, quick‑edit capabilities.
Free
Dropbox Sign is an AI-powered e-signature tool enhancing agreement signing processes. It offers template creation, PDF filling, contract management, and boosts efficiency through features like Salesforce integration. Security measures include audit trails.
Free trial
- $20/mo
TheToolBus offers free, no‑watermark PDF and image utilities for small business owners, including merge, compress, OCR, conversion, background removal, calculators, QR codes, and AI text extraction, all accessible without sign‑up.
Freemium
PDFgear is a cross‑platform PDF editor that allows editing of text, images, shapes, and form fields; supports annotations, batch conversion to Word/Excel/PowerPoint, OCR in 30+ languages, AI chat summaries, and merge/split/compress/sign functions.
Free
Online Rubber Stamp Maker Free enables users to create custom digital stamps with adjustable design features. It supports multiple languages and offers high-resolution outputs in various formats, enhancing document credibility and aiding in verification processes.
Freemium
The email signature parser is a free Chrome extension offered by parsio.io that uses chatgpt to extract contact details from email signatures in Gmail and can send them to various applications with advanced features available for purchase.
Free
GoPDF is a browser‑based PDF editor that enables editing, annotating, formatting, and compression without installation. It supports text/image insertion, header/footer, page management, conversions (PDF→JPG/Word/HTML), merging/splitting, AI chat, invoicing, and AI quiz creation for students.
Freemium
- $9.99/mo
TinyWow is a web-based service that offers free tools for editing and converting PDFs, images, and videos, plus AI-driven text and image creation. Files are auto‑deleted after an hour for privacy.
Subscription
Fillout is a drag‑and‑drop form builder that lets users create custom, brand‑aligned forms for surveys, registrations, and intake. It supports PDF export, payments, workflow automation, e‑signatures, and integrations with CRMs, plus real‑time analytics and team collaboration.
Free
IDScan.net offers an AI‑driven identity verification platform that scans passports, driver’s licenses, and mobile IDs using UV/IR imaging and deep‑fake detection. It supports real‑time data capture, KYC/AML compliance, and APIs for integration across banking, retail, and logistics.
Free
Sigma Browser is an AI-first web browser that enhances productivity with integrated tools like SigmaGPT for task automation, research, and content assistance. It prioritizes privacy with encrypted DNS, phishing protection, and built-in organization features like bookmarks and password management.
Freemium
ChatPDF lets users upload PDFs for conversational queries, mapping content and providing cited answers. It supports folders for combined documents, side‑by‑side chat and source viewing, and offers multilingual input and output.
Free
- $5
DeepPDF is an AI-powered tool for interacting with PDFs, enabling conversational queries, summaries, translations, and analysis of text, images, and formulas. It also supports OCR, annotations, and multi-format conversions for seamless document handling.
Freemium
My Own Document Vault uses AI to manage, share, and sign documents securely. It offers real‑time collaboration, ChatGPT queries, tamper‑evident Ethereum hashing, eSignature tracking, analytics, OCR, and comprehensive content search.
Free
An online image tool with features including background removal, image resizing, text addition, color palettes, conversion, and AI-powered social media bios, market slogans, business name ideas, and hashtag generation.
Free
LearnQ.ai supplies an AI‑driven Digital SAT prep platform with over 5,000 practice questions, adaptive difficulty, instant AI tutor support, diagnostic scoring, personalized study plans, full‑length mock exams, and teacher analytics for targeted instruction.
Freemium
Gizmo converts videos, PDFs, notes, and slides into concise study points and flashcards, syncs with Quizlet, lets users build quizzes and track progress, and organizes searchable sets for efficient review by high‑school and university students and teachers.
Free
SnapDiagram uses AI to turn hand‑drawn diagrams into crisp digital images. It accepts any image format, outputs PNG, JPG, or editable files, lets users preview the conversion, and then download the refined result.
Freemium
TheToolBus offers free, instant tools for small business owners, including PDF merge/split/compress, Word/Excel conversion, OCR, PowerPoint export, image compression/resizing/format conversion, background removal, QR code and website‑to‑PDF creation, plus business calculators and utilities like pass
Freemium
eldoc™ is a cloud-based document management platform that features workflow automation, intelligent OCR, e-signatures, and robust security. It supports collaborative editing and offers analytics to enhance efficiency and compliance across various user groups.
Free trial
Image to Text Converter extracts text from images, PDFs, and handwritten notes in 30+ languages. It accepts JPEG, PNG, WebP, GIF, PDF, handles blurry files, and can recognize equations. Users can crop regions, and outputs editable TXT, PDF, or DOCX.
Free
SecGPT uses AI to analyze cybersecurity reports and provide insights.
Usage based
ChatSlide turns documents, PDFs, and web pages into slide decks, videos, avatars, charts, and posters in minutes. It auto‑generates outlines, applies design templates, allows real‑time editing, dynamic charts, multilingual support, and exports to PDF, PPTX, Keynote.
Subscription
- $14.9/mo
Digits is an advanced AI tool transforming accounting processes with automated bookkeeping, financial analysis, and insightful reports. With live dashboards and top-notch security, it assists in scaling operations for businesses and developers.
Subscription
- $350/mo
Git Digest automates code change summaries, delivering daily or weekly updates to enhance team collaboration. It offers visual analytics for tracking trends, supports multi-user accounts, and features an AI chatbot for efficient customer support.
Free trial
PowerDMARC centralizes DMARC, SPF, DKIM, MTA‑STS, TLS‑RPT, and BIMI management, automating DNS publishing and SPF flattening. It offers aggregate and forensic reporting, real‑time threat maps, AI‑driven threat intelligence, multi‑lingual control, API, and white‑label options.
Freemium
GitMind is an AI workspace that transforms text, audio, video, PDFs, images, and web pages into mind maps, summaries, and visual diagrams. It offers transcript, OCR, and diagram generation, a content‑specific chatbot, and cross‑platform collaboration while safeguarding data.
Free trial
- $19/mo
Convert text to handwriting using an in-browser recurrent neural network with various print and cursive styles. Customize outputs and download as SVG.
Free
PhotoAiD generates passport, visa, and driver‑license photos from user selfies. The AI crops, resizes, and removes backgrounds to meet official specifications, flags compliance issues, and offers downloadable high‑resolution images or same‑day printed copies via Android or iOS.
Free
Marketing Tool aggregates free utilities for marketing and web performance. It offers keyword research, backlink and SEO audits, social media scheduling, hashtag generation, ad‑budget calculators, speed testing, image compression, plagiarism checks, URL shortener, QR code. No registration required.
Free
Shufti offers AI‑powered identity verification, enabling fast onboarding and continuous risk assessment. It provides 3‑D liveness, global document and address checks, age verification, KYC/KYB/AML screening, deepfake detection, behavioral biometrics, and device fingerprinting via API and SDKs.
Freemium
Chatpdf.so is an AI tool for efficiently extracting information from PDF documents. It uses GPT-4 for questions, summaries, and interactive learning. With multi-language support and robust data security features, it helps users generate reports and essays effortlessly.
Free trial
Simplicity AI converts static or fillable PDFs into interactive forms, auto‑detecting fields and permitting manual or source‑based filling. It supports e‑signatures, encrypts files, and outputs clean, exportable PDFs for tax, legal, healthcare, and other professional documents.
Freemium
- $15/mo
ZeroGPT is a web‑based AI detector that evaluates text for content from models like ChatGPT, GPT‑4, Claude, and more, delivering a percentage score. It accepts up to 2,000 words paste, unlimited uploads, runs locally, and offers a Chrome extension.
Freemium
AI PDF Tools offers robust features for editing, translating, compressing, merging, and converting PDF documents. It ensures efficient document management while maintaining formatting integrity across various formats, enhancing productivity for users handling PDF files.
Free
HandtextAI is an AI handwriting generator that transforms digital text into realistic handwritten documents, offering over 80 fonts, customizable settings, and export options. Users can create authentic notes and letters with personalized styles and visual effects.
Free
ToolWaves offers free online productivity tools for text processing, PDF editing, image manipulation, and calculations, featuring over 15 PDF tools and various calculators, all while ensuring user privacy and security directly in the browser.
Free
PortableDocs is an AI tool that allows users to engage with PDF documents through conversation, enabling quick extraction of insights and summarization. Its intuitive interface and advanced algorithms enhance productivity, particularly for technical, legal, and academic documents.
Freemium
Automates WCAG 2.2, ADA, and Section 508 compliance with real‑time analysis and actionable reports. Adds alt text, adjustable font, contrast, screen‑reader widget, mobile sign‑language and motion control, media descriptions, document accessibility, and QR‑based printed content support.
Freemium
- $1
EchoMark embeds invisible, recipient-specific steganographic watermarks in emails, documents, images and attachments to trace leaks, supports Exchange/Google Workspace and SecureView links, provides forensic matching, access controls, analytics, revoke options, and APIs for DLP integration.
Free trial
The Logo Diffusion AI tool allows users to create custom logos within seconds using generative AI and offers logo redesign capabilities, 3D conversion, content styles, vector conversion, and a browser editor.
Freemium
Dezgo's Text-to-image AI Image Generator is a powerful tool that allows users to generate high-quality images based on text descriptions using advanced algorithms and comprehensive features.
Free
AskYourPDF lets users upload PDF or text files to ask questions and retrieve instant answers. It instantly summarizes long documents, supports keyword search across multiple files, and offers a shared library with mobile, Chrome, and plugin access, all GDPR‑compliant.
Free
DigitalGenius automates end‑to‑end customer support for e‑commerce brands, integrating with shipping, ERP, payment, and loyalty systems. It uses conversational AI to track orders, resolve issues, proactively offer replacements, upsells, and warranty claims.
Paid
Thunderbit AI Web Scraper is a Chrome extension that extracts structured data from web pages, PDFs, images, and documents using natural‑language prompts, auto‑crawls sub‑pages, offers real‑time enrichment, and exports to Google Sheets, Airtable, Notion, or copy‑paste.
Freemium
EdrawMax Online is a cloud diagramming platform with 210+ diagram types, including flowcharts, UML, and Gantt charts. It offers drag‑and‑drop editing, real‑time collaboration, 20,000 free templates, 26,000 symbols, and AI tools for diagram, chart, and PPT generation, OCR, and copy‑writing.
Freemium
- $5.33/mo
Entrust provides identity-centric security: centralized PKI, HSMs, certificate and key lifecycle management, digital signing, identity verification (document checks, biometrics, trusted data) and instant digital card issuance, with APIs and post-quantum cryptography options for compliance.