Text & data formats.

What opens, what edits, and what is coming next.

49 format groups available

FormatExtensionsSupportDetails

JSONText & data

.json .geojson

Available

Verified engine. Review tool-specific limits.Open tool

JSON Lines / NDJSONText & data

.jsonl .ndjson

Available

UTF-8, up to 5 MB and 100,000 records. One complete JSON value per line; blank lines are rejected. Edit, validate/compact and convert JSON/YAML/CSV/TSV. JSON Lines output requires a non-empty array; numeric precision follows JavaScript.Open tool

YAMLText & data

.yaml .yml

Available

Verified engine. Review tool-specific limits.Open tool

XMLText & data

.xml

Available

Verified engine. Review tool-specific limits.Open tool

CSVText & data

.csv

Available

Verified engine. Review tool-specific limits.Open tool

TSVText & data

.tsv

Available

Verified engine. Review tool-specific limits.Open tool

MarkdownText & data

.md .markdown

Available

Verified engine. Review tool-specific limits.Open tool

SubRip subtitlesText & data

.srt

Available

UTF-8 cue editing, SRT/VTT conversion and millisecond time shifts. Negative timestamps are rejected.Open tool

WebVTT subtitlesText & data

.vtt

Available

Cue editing, SRT/VTT conversion and time shifts. SRT output omits VTT styling, regions, identifiers and positioning with export warnings.Open tool

Plain text & codeText & data

.txt .log .js .ts .tsx .jsx .css .html .htm .py .sql .toml .ini .conf .ass .rs .go .java .c .cpp .h .sh .rb .php

Available

Verified engine. Review tool-specific limits.Open tool

Available means a supported operation exists. It does not imply lossless editing of every feature. Engine builds can change codec availability.