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Free comic lettering utility

Fit dialogue inside a comic speech bubble

Find the largest fitting font size and shape-aware greedy line breaks for comic dialogue using bubble dimensions, padding, line height, direction, and shape.

Use the free tool
No signupNo watermarkRuns in your browser

Dialogue is measured locally, never rewritten, and remains fully editable. Confirm final production rules with your printer or publishing platform.

Connected creator workflow

Move to the next production step

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Comic Lettering Tools

Run a private lettering diagnostic, identify the right production check, and move from dialogue fit to readable, correctly ordered comic pages without creating an account.

Open Comic Lettering Tools Free browser tool

Comic Lettering Checker

Review editable text-region measurements for overflow, weak padding, small type, low contrast, size inconsistency, and missing speaker targets while keeping the page on your device.

Open Comic Lettering Checker Free browser tool

Comic Reading Order Checker

Map panels and balloons by position, compare LTR, RTL, or vertical-scroll reading paths, flag ambiguous rows, correct the intended sequence, and export an editable order manifest.

Open Comic Reading Order Checker Free browser tool

Comic Font Size Checker

Convert measured glyph heights from a master page into effective print points or mobile pixels, reveal size outliers, preview the target scale, and export a confidence-aware report.

Open Comic Font Size Checker Free browser tool

Comic Dialogue Layout Tool

Paste panel, speaker, and dialogue lines to generate an editable page map with reading-direction-aware balloon placement, visible assignments, and downloadable SVG or JSON production assets.

Open Comic Dialogue Layout Tool Free browser tool

Comic SFX Maker

Design Latin or CJK comic sound effects with live outline, shadow, rotation, skew, vertical text, color, and transparent SVG or PNG export directly in your browser.

Open Comic SFX Maker LlamaGen generator

Manga Speech Bubble Generator

Generate editable manga speech bubbles, then return to the free lettering checks for fit, size, and reading order.

Open Manga Speech Bubble Generator
Continue in LlamaGenDevelop the dialogue in AI Screenplay EditorRefine dialogue and scene intent before placing the approved text across a complete comic project.Open workflow

Continue in LlamaGen

Turn the dialogue into a complete comic page

Create the characters, panels, expressions, and sequential story context around your dialogue inside LlamaGen Comic Studio.

Open the LlamaGen workflow Explore LlamaGen plans

Largest readable fit

Test from maximum to minimum size and keep the biggest layout that fits.

Words preserved

The tool can reflow line breaks but never rewrites the user's dialogue.

Direction-aware

Preview LTR or RTL lettering while preserving the same measured geometry.

Speech Bubble Text Fit FAQ

Production answers without the guesswork

Does this tool rewrite comic dialogue?+

No. It changes font size and line breaks only. The original wording remains untouched.

How does speech bubble text fitting work?+

The tool subtracts padding, uses the inner width for rectangular bubbles or the full line-box chord for oval and thought bubbles, then greedily wraps words and tests font sizes until the complete layout fits.

Can it preserve manual line breaks?+

Yes. Turn on Preserve line breaks to keep every explicit newline while the font size is fitted.