Add Text to Image FREE | Write on Photos and Add Captions Online
Add custom text to any JPG, PNG, or WebP image. Control font size, colour, bold/italic style, and position with fine pixel offset. Preview updates live. Download the result. Your image never leaves your browser.
Add Text to Image
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Frequently Asked Questions
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Free Add Text to Image Tool Online — Write Captions and Overlays on Photos Instantly
Adding text to images is a fundamental content creation skill used across social media, marketing, journalism, education, and personal projects. Meme creation, inspirational quote graphics, product labelling, event announcements, tutorial screenshots with annotations, before-and-after comparisons, sports graphics, and thousands of other content formats all require text overlaid on photographs or graphics. The Add Text to Image tool on OneDocPDF provides a clean, fast way to add custom text at any of 9 positions with full control over font size, colour, bold and italic styling, and a text shadow for readability over any background.
The nine position presets — top left, top centre, top right, middle left, middle centre, middle right, bottom left, bottom centre, bottom right — combined with the pixel offset controls give you precise placement over any image. Bottom centre is the most common position for photo captions, social media quote graphics, and attribution credits. Middle centre is used for inspirational poster-style overlays where the text is the primary visual element. Top right is the standard location for logo watermarks and branding credits in editorial images.
Text shadow is one of the most important features for ensuring readability. Professional designers always add shadow or outline effects to text placed over photographs because the image background is visually complex and variable — a white caption that looks perfect over a dark sky becomes invisible over a bright cloud. The shadow at 70% opacity with a 30% blur radius used in this tool is the standard approach for photographic text overlays, providing good contrast over both light and dark areas without making the shadow itself visually prominent.
Bold and italic styling affect how the text is perceived emotionally. Bold text reads as authoritative, strong, and confident — appropriate for headlines, warnings, and calls to action. Italic text feels more fluid, thoughtful, or personal — appropriate for quotes, captions, and editorial commentary. Combining bold and italic produces the emphatic bold-italic style used in marketing copy and magazine headlines. Plain (neither bold nor italic) produces a clean, neutral appearance appropriate for minimal design and informational overlays.
After adding text, your workflow might continue with: Compress Image to reduce file size before uploading to social media, Resize Image to hit platform dimension targets, Watermark Image to add copyright text after captioning, or JPG to PDF to compile multiple annotated images into a document. Browse the full image tools collection on OneDocPDF — all free, browser-based, private.