| Quick Answer: Among the image to PDF conversion tools available in 2026, Adobe Acrobat’s online converter is the best overall pick, since it accepts JPEG, PNG, BMP, HEIC, TIFF, GIF, PSD, INDD, and AI files and preserves the original resolution unless you choose to compress it. It’s built for business professionals archiving receipts, photographers converting portfolios, and students submitting scanned assignments who need to combine multiple image formats, including GIF, into one polished PDF without an account or software install. Smallpdf and iLovePDF are strong runners-up for anyone converting on a tighter budget or a stricter daily volume. |
Turning a photo, screenshot, or GIF into a PDF sounds like a one-click task, but not every online converter handles every image format the same way, and some quietly compress your file in the process. This guide covers six image to PDF conversion tools, evaluated directly against each platform’s own product documentation and pricing pages rather than secondary aggregator sites.
The evaluation weighs three criteria: breadth of supported image formats (including less common ones like GIF, BMP, and TIFF, not just JPG and PNG), whether the conversion preserves original image quality or forces compression, and how usable the free tier actually is once daily limits and file-size caps are factored in.
Six tools made the cut: Adobe Acrobat, Smallpdf, iLovePDF, FreeConvert, Img2Go, and CoolUtils Online. Each section below covers exactly which formats a tool accepts, its real free-tier limits, and what a paid plan costs.
The top recommendation is Adobe Acrobat’s online image to PDF converter, because it accepts the widest format list of the six, including GIF and BMP alongside JPG and PNG, and does not degrade image quality by default during conversion.
At a Glance: Image to PDF Conversion Tools
| Tool Name | Free Tier Available | Platform | Best For | Supported Formats | Standout Feature |
| Adobe Acrobat | Yes | Web, Windows, Mac, iOS, Android | Business professionals archiving receipts or forms as a single PDF | 9 formats: JPEG, JPG, PNG, BMP, HEIC, TIFF, GIF, PSD, INDD, AI | Preserves original resolution by default, no forced compression |
| Smallpdf | Yes | Web, Windows, Mac, iOS, Android | Freelancers who occasionally need to convert a GIF or photo to PDF | 7 formats: GIF, JPG, PNG, BMP, TIFF, WebP, HEIC | 1 billion+ lifetime users across its full PDF toolset |
| iLovePDF | Yes | Web, Windows, Mac, iOS, Android | Teams already using Google Drive, Dropbox, or Microsoft Office for files | not publicly listed | Direct integrations with Word, Excel, PowerPoint, Google Drive, Dropbox, and Zapier |
| FreeConvert | Yes | Web | One-off conversions of large image files up to 1GB on the free tier | not publicly listed | 1GB max free file size, well above most competitors’ free limits |
| Img2Go | Yes | Web | Users converting between more than 100 total image and document formats | 100+ formats including JPG, PNG, WebP, GIF, SVG, BMP, TIFF, HEIC, ICO | Supports over 100 total file formats on a single browser-based platform |
| CoolUtils Online | Yes | Web | Privacy-focused users who want files auto-deleted after conversion | 5 formats: JPG, PNG, BMP, TIFF, GIF | Files are automatically deleted from the server immediately after conversion |
Adobe Acrobat
Adobe Acrobat’s online converter is the strongest choice for business professionals and photographers who need to turn a batch of mixed-format images, including GIFs, into one professional-quality PDF without losing resolution. Acrobat’s online JPG to PDF tool makes this workflow accessible directly in the browser.
Adobe Acrobat’s image to PDF converter supports JPEG, JPG, PNG, BMP, HEIC, TIFF, GIF, PSD, INDD, and AI uploads, and preserves the original resolution of a file during conversion unless the user specifically requests compression, making it the most format-flexible of the six tools evaluated here.
Key Features:
- Accepts nine image formats in one tool: JPEG, JPG, PNG, BMP, HEIC, TIFF, GIF, PSD, INDD, and AI
- Mixes different image formats in a single batch conversion and merges them into one unified PDF
- Preserves original image resolution by default, with compression only applied if the user opts in
- Works in any supported mobile browser on iOS or Android, in addition to desktop web use
- No signup required to convert a file, with the option to sign in afterward to share the result
Pricing:
Free to use online for individual, quick conversions with no signup required. The online converter is designed for single conversions rather than large batches, so very large files or high-volume batches may hit limits; a paid Acrobat plan removes these limits and adds editing and e-signature tools. Pricing not publicly listed for the specific batch limits, check the tool’s website for current thresholds.
Platforms: Web, Windows, Mac, iOS, Android
Best For: Business professionals, photographers, and students converting mixed-format image batches, including GIFs, into a single professional PDF.
Smallpdf
Smallpdf suits freelancers and small business owners who need a fast, no-install way to convert an occasional GIF or photo to PDF without committing to a subscription.
Smallpdf’s image converter supports GIF, JPG, BMP, TIFF, PNG, WebP, and HEIC files, but the free tier limits users to 2 conversion tasks per day and a 5MB maximum file size before a Pro subscription is required.
Key Features:
- Converts 7 image formats to PDF: GIF, JPG, PNG, BMP, TIFF, WebP, and HEIC
- Merges multiple images into a single multi-page PDF in one conversion
- Free tier allows 2 tasks per day with a 5MB file size cap per the tool’s own plan comparison
- Encrypted file transfer with automatic deletion of uploaded files from Smallpdf’s servers after conversion
Pricing:
Free plan includes 2 tasks per day and a 5MB file size limit. Pro plan runs about $10 to $15 per month depending on billing cycle and region, removing daily task limits and file size caps and adding offline desktop and mobile access.
Platforms: Web, Windows, Mac, iOS, Android
Best For: Freelancers and solo users who need to convert a GIF or photo to PDF occasionally rather than daily.
iLovePDF
iLovePDF is the better fit for small teams that already store files in Google Drive, Dropbox, or Microsoft Office and want image-to-PDF conversion built into that existing workflow.
iLovePDF’s image to PDF tool integrates directly with Microsoft Word, Excel, PowerPoint, Google Drive, Dropbox, and Zapier, so a team can pull an image from cloud storage, convert it to PDF, and route it into an automated workflow without leaving the browser.
Key Features:
- Dedicated Image to PDF tool alongside merge, split, compress, and format-conversion tools in one suite
- Direct integrations with Microsoft Word, Excel, PowerPoint, Google Drive, Dropbox, and Zapier
- Free tier caps individual file size at roughly 15MB and limits batch operations to around 25 files
- Premium plan adds OCR text recognition, PDF/A conversion, and digital signatures starting around $9 per month
Pricing:
Free plan (Freemium) covers core conversion with a roughly 15MB file size limit and around 25 files per batch operation. Premium plan starts at approximately $9 per month and removes those limits while adding OCR and digital signature tools.
Platforms: Web, Windows, Mac, iOS, Android
Best For: Small teams that need image-to-PDF conversion connected to Google Drive, Dropbox, or Microsoft Office.
FreeConvert
FreeConvert is the right pick for anyone converting a single large image, like a high-resolution scan or a big GIF file, without wanting to sign up for an account.
FreeConvert’s free tier accepts image files up to 1GB, the largest free file size limit among the six tools evaluated, though it caps free users at 20 conversion minutes and roughly 10 conversion operations per day.
Key Features:
- Supports PNG, JPG, JPEG, GIF, TIFF, TGA, PSD, EPS, SVG, WebP, and BMP conversion to PDF
- Free tier allows files up to 1GB, well above the 5 to 15MB caps common on competing free tiers
- Free daily allowance of 20 conversion minutes, capped at 5 minutes of processing per individual file
- Paid Basic plan runs about $14.99 per month for 1GB files with 50 concurrent conversions and no ads
Pricing:
Free tier includes 20 conversion minutes per day (about 10 file conversions), a 5-minute processing cap per file, and file sizes up to 1GB. Basic paid plan is about $14.99/month; Unlimited plan is about $25.99/month and removes all file size and concurrency limits.
Platforms: Web
Best For: One-off conversions of a single large image file without creating an account.
Img2Go
Img2Go is built for users who need to move between more than a hundred different image and document formats, not just the common ones, when preparing a file as a PDF.
Img2Go’s converter supports more than 100 total file formats, including JPG, PNG, WebP, GIF, SVG, BMP, TIFF, HEIC, and ICO, and works in any modern browser on desktop, tablet, or mobile without requiring an account for basic conversions.
Key Features:
- Converts between more than 100 image and document formats, including JPG, PNG, WebP, GIF, SVG, BMP, TIFF, HEIC, and ICO
- Runs entirely in the browser on desktop, tablet, or smartphone with no software install
- Free tier grants daily Credits for basic conversion tasks without requiring a signup
- Premium Occasional Use plan starts at roughly $6.42 per month for 480 credits, based on the platform’s published credit pricing
Pricing:
Free tier provides daily conversion Credits with no signup required, sufficient for several files per day. Premium plans are Credit-based, starting around $6.42/month for 480 credits (Occasional Use), rising to roughly $23.17/month for 2,800 credits (Regular Use).
Platforms: Web
Best For: Users converting between a wide range of niche or uncommon image and document formats in addition to standard ones.
Official documentation: Img2Go’s official image converter page.
CoolUtils Online
CoolUtils Online fits privacy-conscious users converting a personal document or receipt who want the file removed from the server the moment conversion finishes.
CoolUtils Online’s image to PDF converter accepts JPG, PNG, BMP, TIFF, and GIF files, embeds each one in a PDF at full resolution, and automatically deletes both the uploaded image and the resulting PDF from its servers once the conversion completes.
Key Features:
- Converts JPG, PNG, BMP, TIFF, and GIF files into PDF documents
- Embeds each image in the resulting PDF at full original resolution with no quality loss
- Both the uploaded image and the converted PDF are automatically deleted from the server after processing
- Free online tool processes one image per run, with a companion desktop app, Total Image Converter, for merging whole folders into one multi-page PDF
Pricing:
The online converter is completely free with no subscription, signup, or payment at any step. The desktop companion app, Total Image Converter, is a separate paid purchase for batch folder conversion; pricing not publicly listed on the online tool’s page, check the tool’s website.
Platforms: Web
Best For: Privacy-focused users converting a single receipt, document, or personal photo who want files deleted immediately after conversion.
How to Choose the Right Image to PDF Conversion Tools
Matching an image to PDF conversion tool to your workflow comes down to a few practical filters.
- If you need to convert a GIF alongside more common formats like JPG or PNG, prioritize a tool that lists GIF explicitly among its supported formats. Adobe Acrobat, Smallpdf, FreeConvert, Img2Go, and CoolUtils Online all confirm GIF support on their official pages.
- If you’re converting entirely online with no software to install, prioritize a browser-based tool with a workable free tier. FreeConvert’s 1GB free file size limit and Img2Go’s 100+ format range both handle this well without an account.
- If image quality matters more than convenience, prioritize a tool that states it preserves resolution by default rather than compressing automatically. Adobe Acrobat and CoolUtils Online both embed images at full resolution unless compression is specifically requested.
- If you’re converting daily rather than occasionally, prioritize a tool without a restrictive daily cap. Smallpdf’s free tier caps out at 2 tasks per day, while iLovePDF and Img2Go both offer more workable daily allowances before requiring a paid plan.
Frequently Asked Questions
What is the best online image to PDF conversion tool for GIF files in 2026?
Adobe Acrobat is the strongest option for GIF conversion in 2026, since its online converter explicitly lists GIF alongside JPEG, PNG, BMP, HEIC, TIFF, PSD, INDD, and AI as supported formats and preserves original resolution by default. Smallpdf and CoolUtils Online also support GIF-to-PDF conversion directly in the browser with no software install. All three let you convert a GIF without an account for a single file.
Does converting an image to PDF reduce image quality?
It depends on the tool and whether compression is applied. Adobe Acrobat preserves the original resolution of a JPG or GIF when creating a PDF unless the user requests compression during conversion, and CoolUtils Online embeds images at full resolution with no forced compression. FreeConvert and Img2Go both process files without altering resolution unless the user selects a compression or quality-reduction option, so checking the export settings before converting is worthwhile.
Can I convert multiple image formats into one PDF at the same time?
Yes, several tools support mixed-format batch conversion. Adobe Acrobat can mix different image formats, such as a JPG and a GIF, in a single batch and merge them into one unified PDF, and Smallpdf similarly merges multiple images into one multi-page PDF. iLovePDF’s free tier limits batch operations to around 25 files before requiring its roughly $9-per-month Premium plan.
Is there a free image to PDF conversion tool with no daily limit?
Most free tiers cap daily use in some way. FreeConvert allows about 20 conversion minutes and 10 operations per day, with files up to 1GB, which is more generous than Smallpdf’s 2-task daily cap on its free plan. Img2Go’s free tier issues daily Credits rather than a hard file count, which in practice covers several conversions per day before a premium plan is needed.
Which image to PDF conversion tools work on mobile devices?
Adobe Acrobat, Smallpdf, and iLovePDF all offer native iOS and Android apps in addition to browser-based conversion, so a photo taken on a phone can be converted to PDF without transferring it to a desktop first. Adobe Acrobat’s online converter also works directly in any supported mobile browser without installing an app. FreeConvert, Img2Go, and CoolUtils Online are web-only and rely on a mobile browser rather than a dedicated app.
Conclusion
All six image to PDF conversion tools covered here can turn a JPG, PNG, or GIF into a usable PDF, but they differ in format breadth, free-tier limits, and whether they touch image quality during conversion. FreeConvert and Img2Go stand out for larger files and broader format support, Smallpdf and iLovePDF fit better into an existing subscription workflow, and CoolUtils Online is the pick for anyone who wants files deleted immediately after conversion.
For most people converting a mix of image formats, including GIFs, into a professional-quality PDF, Adobe Acrobat remains the top recommendation among image to PDF conversion tools, because it supports the widest range of formats of the six and preserves original resolution by default instead of compressing automatically.
